네트워크 및 서버/네트워크

OSPF Stub / NSSA 실습

잉여토끼 2024. 11. 25. 10:00

물리랩

R1 R1 sh run
Building configuration...

Current configuration : 2059 bytes
!
upgrade fpd auto
version 12.4
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname R1
!
boot-start-marker
boot-end-marker
!
logging message-counter syslog
!
no aaa new-model
ip source-route
no ip icmp rate-limit unreachable
ip cef
!
!
!
!
no ip domain lookup
no ipv6 cef
!
multilink bundle-name authenticated
!
!
voice dsp waitstate 0
!
!
!
!
!
!
!
!
!
!
!
!
!
memory-size iomem 0
archive
 log config
  hidekeys
! 
!
!
!
!
ip tcp synwait-time 5
!
!
!
!
interface Loopback0
 ip address 1.1.1.1 255.255.255.0
!
interface FastEthernet0/0
 ip address 192.168.0.1 255.255.255.0
 duplex half
!
interface Serial1/0
 no ip address
 encapsulation frame-relay
 serial restart-delay 0
!
interface Serial1/0.1 multipoint
 ip address 10.0.1.1 255.255.255.0
 snmp trap link-status
 frame-relay map ip 10.0.1.2 102 broadcast
 frame-relay map ip 10.0.1.3 103 broadcast
!
interface Serial1/1
 no ip address
 shutdown
 serial restart-delay 0
!
interface Serial1/2
 no ip address
 shutdown
 serial restart-delay 0
!
interface Serial1/3
 no ip address
 shutdown
 serial restart-delay 0
!
interface Ethernet2/0
 no ip address
 shutdown
 duplex half
!
interface Ethernet2/1
 no ip address
 shutdown
 duplex half
!
interface Ethernet2/2
 no ip address
 shutdown
 duplex half
!
interface Ethernet2/3
 no ip address
 shutdown
 duplex half
!
router ospf 1
 router-id 1.1.1.1
 log-adjacency-changes
 redistribute rip subnets
 network 1.1.1.0 0.0.0.255 area 0
 network 10.0.1.0 0.0.0.255 area 0
 neighbor 10.0.1.2
 neighbor 10.0.1.3
!
router rip
 version 2
 redistribute ospf 1
 network 192.168.0.0
 no auto-summary
!
ip forward-protocol nd
no ip http server
no ip http secure-server
!
!
!
logging alarm informational
no cdp log mismatch duplex
!
!
!
!
!
!
!
control-plane
!
!
!
mgcp fax t38 ecm
!
!
!
!
gatekeeper
 shutdown
!
!
line con 0
 exec-timeout 0 0
 privilege level 15
 logging synchronous
 stopbits 1
line aux 0
 exec-timeout 0 0
 privilege level 15
 logging synchronous
 stopbits 1
line vty 0 4
 login
!
end
R1 sh ip protocol
Routing Protocol is "ospf 1"
  Outgoing update filter list for all interfaces is not set
  Incoming update filter list for all interfaces is not set
  Router ID 1.1.1.1
  It is an autonomous system boundary router
  Redistributing External Routes from,
    rip, includes subnets in redistribution
  Number of areas in this router is 1. 1 normal 0 stub 0 nssa
  Maximum path: 4
  Routing for Networks:
    1.1.1.0 0.0.0.255 area 0
    10.0.1.0 0.0.0.255 area 0
 Reference bandwidth unit is 100 mbps
  Routing Information Sources:
    Gateway         Distance      Last Update
    1.1.6.6              110      01:01:14
    1.1.7.7              110      01:07:08
    1.1.4.4              110      01:07:08
    1.1.5.5              110      01:07:08
    1.1.2.2              110      00:48:45
    1.1.3.3              110      01:07:08
    10.0.7.8             110      00:11:18
  Distance: (default is 110)

Routing Protocol is "rip"
  Outgoing update filter list for all interfaces is not set
  Incoming update filter list for all interfaces is not set
  Sending updates every 30 seconds, next due in 7 seconds
  Invalid after 180 seconds, hold down 180, flushed after 240
  Redistributing: ospf 1, rip
  Default version control: send version 2, receive version 2
    Interface             Send  Recv  Triggered RIP  Key-chain
    FastEthernet0/0       2     2                                    
  Automatic network summarization is not in effect
  Maximum path: 4
  Routing for Networks:
    192.168.0.0
  Routing Information Sources:
    Gateway         Distance      Last Update
  Distance: (default is 120)
R1 sh ip ospf neighbor
Neighbor ID     Pri   State           Dead Time   Address         Interface
1.1.2.2           0   FULL/DROTHER    00:01:32    10.0.1.2        Serial1/0.1
1.1.3.3           0   FULL/DROTHER    00:01:55    10.0.1.3        Serial1/0.1
R1 sh ip ospf database
            OSPF Router with ID (1.1.1.1) (Process ID 1)

		Router Link States (Area 0)

Link ID         ADV Router      Age         Seq#       Checksum Link count
1.1.1.1         1.1.1.1         863         0x80000004 0x00B009 2
1.1.2.2         1.1.2.2         942         0x8000000A 0x00D1F2 1
1.1.3.3         1.1.3.3         134         0x80000006 0x00E8CF 5
1.1.4.4         1.1.4.4         913         0x8000000E 0x00C3B5 6
1.1.5.5         1.1.5.5         905         0x80000012 0x002B67 8
1.1.6.6         1.1.6.6         229         0x80000009 0x006A5C 2
1.1.7.7         1.1.7.7         1817        0x80000009 0x00E4FA 4
10.0.7.8        10.0.7.8        2001        0x80000008 0x000756 4

		Net Link States (Area 0)

Link ID         ADV Router      Age         Seq#       Checksum
10.0.1.1        1.1.1.1         863         0x80000004 0x00E32D
10.0.4.6        1.1.6.6         1982        0x80000007 0x008253

		Summary Net Link States (Area 0)

Link
R1 sh ip ospf int
Loopback0 is up, line protocol is up 
  Internet Address 1.1.1.1/24, Area 0 
  Process ID 1, Router ID 1.1.1.1, Network Type LOOPBACK, Cost: 1
  Loopback interface is treated as a stub Host
Serial1/0.1 is up, line protocol is up 
  Internet Address 10.0.1.1/24, Area 0 
  Process ID 1, Router ID 1.1.1.1, Network Type NON_BROADCAST, Cost: 64
  Transmit Delay is 1 sec, State DR, Priority 1
  Designated Router (ID) 1.1.1.1, Interface address 10.0.1.1
  No backup designated router on this network
  Timer intervals configured, Hello 30, Dead 120, Wait 120, Retransmit 5
    oob-resync timeout 120
    Hello due in 00:00:02
  Supports Link-local Signaling (LLS)
  Cisco NSF helper support enabled
  IETF NSF helper support enabled
  Index 2/2, flood queue length 0
  Next 0x0(0)/0x0(0)
  Last flood scan length is 1, maximum is 24
  Last flood scan time is 0 msec, maximum is 4 msec
  Neighbor Count is 2, Adjacent neighbor count is 2 
    Adjacent with neighbor 1.1.2.2
    Adjacent with neighbor 1.1.3.3
  Suppress hello for 0 neighbor(s)
R1 sh ip ospf int bri
Interface    PID   Area            IP Address/Mask    Cost  State Nbrs F/C
Lo0          1     0               1.1.1.1/24         1     LOOP  0/0
Se1/0.1      1     0               10.0.1.1/24        64    DR    2/2
R1 sh ip route
Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP
       D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area 
       N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
       E1 - OSPF external type 1, E2 - OSPF external type 2
       i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2
       ia - IS-IS inter area, * - candidate default, U - per-user static route
       o - ODR, P - periodic downloaded static route

Gateway of last resort is not set

     1.0.0.0/8 is variably subnetted, 10 subnets, 2 masks
O IA    1.1.13.13/32 [110/258] via 10.0.1.3, 01:07:08, Serial1/0.1
O IA    1.1.12.12/32 [110/194] via 10.0.1.3, 01:07:08, Serial1/0.1
O IA    1.1.10.10/32 [110/76] via 10.0.1.2, 00:48:45, Serial1/0.1
O IA    1.1.9.9/32 [110/66] via 10.0.1.2, 00:51:52, Serial1/0.1
O       1.1.7.7/32 [110/130] via 10.0.1.3, 01:07:08, Serial1/0.1
O       1.1.6.6/32 [110/130] via 10.0.1.3, 01:07:08, Serial1/0.1
O       1.1.5.5/32 [110/129] via 10.0.1.3, 01:07:08, Serial1/0.1
O       1.1.4.4/32 [110/129] via 10.0.1.3, 01:07:08, Serial1/0.1
O       1.1.3.3/32 [110/65] via 10.0.1.3, 01:19:22, Serial1/0.1
C       1.1.1.0/24 is directly connected, Loopback0
O E2 8.0.0.0/8 [110/20] via 10.0.1.3, 00:11:19, Serial1/0.1
     10.0.0.0/8 is variably subnetted, 14 subnets, 3 masks
O IA    10.1.3.0/24 [110/75] via 10.0.1.2, 00:51:52, Serial1/0.1
O IA    10.3.0.0/16 [110/193] via 10.0.1.3, 01:01:15, Serial1/0.1
O IA    10.2.1.0/24 [110/193] via 10.0.1.3, 01:07:08, Serial1/0.1
O IA    10.1.2.0/24 [110/128] via 10.0.1.2, 01:21:14, Serial1/0.1
O IA    10.1.1.0/24 [110/65] via 10.0.1.2, 01:17:45, Serial1/0.1
O       10.0.3.3/32 [110/64] via 10.0.1.3, 01:07:08, Serial1/0.1
O IA    10.2.3.0/24 [110/257] via 10.0.1.3, 01:07:08, Serial1/0.1
C       10.0.1.0/24 is directly connected, Serial1/0.1
O       10.0.6.0/24 [110/192] via 10.0.1.3, 01:07:08, Serial1/0.1
O       10.0.3.5/32 [110/128] via 10.0.1.3, 01:07:08, Serial1/0.1
O       10.0.7.0/24 [110/193] via 10.0.1.3, 01:07:08, Serial1/0.1
O       10.0.3.4/32 [110/128] via 10.0.1.3, 01:07:08, Serial1/0.1
O       10.0.4.0/24 [110/129] via 10.0.1.3, 01:07:08, Serial1/0.1
O       10.0.5.0/24 [110/192] via 10.0.1.3, 01:07:08, Serial1/0.1
C    192.168.0.0/24 is directly connected, FastEthernet0/0
R2 R2 sh run
Building configuration...

Current configuration : 2015 bytes
!
upgrade fpd auto
version 12.4
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname R2
!
boot-start-marker
boot-end-marker
!
logging message-counter syslog
!
no aaa new-model
ip source-route
no ip icmp rate-limit unreachable
ip cef
!
!
!
!
no ip domain lookup
no ipv6 cef
!
multilink bundle-name authenticated
!
!
voice dsp waitstate 0
!
!
!
!
!
!
!
!
!
!
!
!
!
memory-size iomem 0
archive
 log config
  hidekeys
! 
!
!
!
!
ip tcp synwait-time 5
!
!
!
!
interface Loopback0
 ip address 1.1.2.2 255.255.255.0
!
interface FastEthernet0/0
 ip address 10.1.1.2 255.255.255.0
 ip ospf authentication
 ip ospf authentication-key asd123
 duplex half
!
interface Serial1/0
 no ip address
 encapsulation frame-relay
 serial restart-delay 0
!
interface Serial1/0.1 multipoint
 ip address 10.0.1.2 255.255.255.0
 ip ospf priority 0
 snmp trap link-status
 frame-relay map ip 10.0.1.1 201 broadcast
!
interface Serial1/1
 ip address 10.1.2.2 255.255.255.0
 serial restart-delay 0
!
interface Serial1/2
 no ip address
 shutdown
 serial restart-delay 0
!
interface Serial1/3
 no ip address
 shutdown
 serial restart-delay 0
!
interface Ethernet2/0
 no ip address
 shutdown
 duplex half
!
interface Ethernet2/1
 no ip address
 shutdown
 duplex half
!
interface Ethernet2/2
 no ip address
 shutdown
 duplex half
!
interface Ethernet2/3
 no ip address
 shutdown
 duplex half
!
router ospf 1
 router-id 1.1.2.2
 log-adjacency-changes
 area 1 stub no-summary
 network 10.0.1.0 0.0.0.255 area 0
 network 10.1.1.0 0.0.0.255 area 1
 network 10.1.2.0 0.0.0.255 area 1
!
ip forward-protocol nd
no ip http server
no ip http secure-server
!
!
!
logging alarm informational
no cdp log mismatch duplex
!
!
!
!
!
!
!
control-plane
!
!
!
mgcp fax t38 ecm
!
!
!
!
gatekeeper
 shutdown
!
!
line con 0
 exec-timeout 0 0
 privilege level 15
 logging synchronous
 stopbits 1
line aux 0
 exec-timeout 0 0
 privilege level 15
 logging synchronous
 stopbits 1
line vty 0 4
 login
!
end
R2 sh ip protocol
Routing Protocol is "ospf 1"
  Outgoing update filter list for all interfaces is not set
  Incoming update filter list for all interfaces is not set
  Router ID 1.1.2.2
  It is an area border router
  Number of areas in this router is 2. 1 normal 1 stub 0 nssa
  Maximum path: 4
  Routing for Networks:
    10.0.1.0 0.0.0.255 area 0
    10.1.1.0 0.0.0.255 area 1
    10.1.2.0 0.0.0.255 area 1
 Reference bandwidth unit is 100 mbps
  Routing Information Sources:
    Gateway         Distance      Last Update
    1.1.6.6              110      01:01:18
    1.1.7.7              110      01:07:12
    1.1.4.4              110      01:07:12
    1.1.5.5              110      01:07:12
    1.1.10.10            110      00:48:49
    1.1.9.9              110      00:51:56
    1.1.1.1              110      01:17:28
    1.1.3.3              110      01:07:12
    10.0.7.8             110      00:11:22
  Distance: (default is 110)
R2 sh ip ospf neighbor
Neighbor ID     Pri   State           Dead Time   Address         Interface
N/A               0   ATTEMPT/DROTHER    -        10.0.1.3        Serial1/0.1
1.1.1.1           1   FULL/DR         00:01:59    10.0.1.1        Serial1/0.1
1.1.10.10         0   FULL/  -        00:00:32    10.1.2.10       Serial1/1
1.1.9.9           1   FULL/DR         00:00:37    10.1.1.9        FastEthernet0/0
R2 sh ip ospf database
            OSPF Router with ID (1.1.2.2) (Process ID 1)

		Router Link States (Area 0)

Link ID         ADV Router      Age         Seq#       Checksum Link count
1.1.1.1         1.1.1.1         868         0x80000004 0x00B009 2
1.1.2.2         1.1.2.2         945         0x8000000A 0x00D1F2 1
1.1.3.3         1.1.3.3         139         0x80000006 0x00E8CF 5
1.1.4.4         1.1.4.4         918         0x8000000E 0x00C3B5 6
1.1.5.5         1.1.5.5         910         0x80000012 0x002B67 8
1.1.6.6         1.1.6.6         234         0x80000009 0x006A5C 2
1.1.7.7         1.1.7.7         1822        0x80000009 0x00E4FA 4
10.0.7.8        10.0.7.8        2006        0x80000008 0x000756 4

		Net Link States (Area 0)

Link ID         ADV Router      Age         Seq#       Checksum
10.0.1.1        1.1.1.1         868         0x80000004 0x00E32D
10.0.4.6        1.1.6.6         1987        0x80000007 0x008253

		Summary Net Link States (Area 0)

Link
R2 sh ip ospf int
Serial1/0.1 is up, line protocol is up 
  Internet Address 10.0.1.2/24, Area 0 
  Process ID 1, Router ID 1.1.2.2, Network Type NON_BROADCAST, Cost: 64
  Transmit Delay is 1 sec, State DROTHER, Priority 0
  Designated Router (ID) 1.1.1.1, Interface address 10.0.1.1
  No backup designated router on this network
  Timer intervals configured, Hello 30, Dead 120, Wait 120, Retransmit 5
    oob-resync timeout 120
    Hello due in 00:00:25
  Supports Link-local Signaling (LLS)
  Cisco NSF helper support enabled
  IETF NSF helper support enabled
  Index 1/1, flood queue length 0
  Next 0x0(0)/0x0(0)
  Last flood scan length is 1, maximum is 5
  Last flood scan time is 0 msec, maximum is 4 msec
  Neighbor Count is 1, Adjacent neighbor count is 1 
    Adjacent with neighbor 1.1.1.1  (Designated Router)
  Suppress hello for 0 neighbor(s)
Serial1/1 is up, line protocol is up 
  Internet Address 10.1.2.2/24, Area 1 
  Process ID 1, Router ID 1.1.2.2, Network Type POINT_TO_POINT, Cost: 64
  Transmit Delay is 1 sec, State POINT_TO_POINT
  Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5
    oob-resync timeout 40
    Hello due in 00:00:00
  Supports Link-local Signaling (LLS)
  Cisco NSF helper support enabled
  IETF NSF helper support enabled
  Index 2/3, flood queue length 0
  Next 0x0(0)/0x0(0)
  Last flood scan length is 1, maximum is 5
  Last flood scan time is 0 msec, maximum is 4 msec
  Neighbor Count is 1, Adjacent neighbor count is 1 
    Adjacent with neighbor 1.1.10.10
  Suppress hello for 0 neighbor(s)
FastEthernet0/0 is up, line protocol is up 
  Internet Address 10.1.1.2/24, Area 1 
  Process ID 1, Router ID 1.1.2.2, Network Type BROADCAST, Cost: 1
  Transmit Delay is 1 sec, State BDR, Priority 1
  Designated Router (ID) 1.1.9.9, Interface address 10.1.1.9
  Backup Designated router (ID) 1.1.2.2, Interface address 10.1.1.2
  Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5
    oob-resync timeout 40
    Hello due in 00:00:05
  Supports Link-local Signaling (LLS)
  Cisco NSF helper support enabled
  IETF NSF helper support enabled
  Index 1/2, flood queue length 0
  Next 0x0(0)/0x0(0)
  Last flood scan length is 1, maximum is 5
  Last flood scan time is 0 msec, maximum is 4 msec
  Neighbor Count is 1, Adjacent neighbor count is 1 
    Adjacent with neighbor 1.1.9.9  (Designated Router)
  Suppress hello for 0 neighbor(s)
  Simple password authentication enabled
R2 sh ip ospf int bri
Interface    PID   Area            IP Address/Mask    Cost  State Nbrs F/C
Se1/0.1      1     0               10.0.1.2/24        64    DROTH 1/1
Se1/1        1     1               10.1.2.2/24        64    P2P   1/1
Fa0/0        1     1               10.1.1.2/24        1     BDR   1/1
R2 sh ip route
Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP
       D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area 
       N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
       E1 - OSPF external type 1, E2 - OSPF external type 2
       i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2
       ia - IS-IS inter area, * - candidate default, U - per-user static route
       o - ODR, P - periodic downloaded static route

Gateway of last resort is not set

     1.0.0.0/8 is variably subnetted, 11 subnets, 2 masks
O IA    1.1.13.13/32 [110/258] via 10.0.1.3, 01:07:12, Serial1/0.1
O IA    1.1.12.12/32 [110/194] via 10.0.1.3, 01:07:12, Serial1/0.1
O       1.1.10.10/32 [110/12] via 10.1.1.9, 00:48:49, FastEthernet0/0
O       1.1.9.9/32 [110/2] via 10.1.1.9, 00:51:57, FastEthernet0/0
O       1.1.7.7/32 [110/130] via 10.0.1.3, 01:07:12, Serial1/0.1
O       1.1.6.6/32 [110/130] via 10.0.1.3, 01:07:12, Serial1/0.1
O       1.1.5.5/32 [110/129] via 10.0.1.3, 01:07:12, Serial1/0.1
O       1.1.4.4/32 [110/129] via 10.0.1.3, 01:07:12, Serial1/0.1
O       1.1.3.3/32 [110/65] via 10.0.1.3, 01:17:29, Serial1/0.1
O       1.1.1.1/32 [110/65] via 10.0.1.1, 01:17:29, Serial1/0.1
C       1.1.2.0/24 is directly connected, Loopback0
O E2 8.0.0.0/8 [110/20] via 10.0.1.3, 00:11:23, Serial1/0.1
     10.0.0.0/8 is variably subnetted, 14 subnets, 3 masks
O       10.1.3.0/24 [110/11] via 10.1.1.9, 00:48:50, FastEthernet0/0
O IA    10.3.0.0/16 [110/193] via 10.0.1.3, 01:01:19, Serial1/0.1
O IA    10.2.1.0/24 [110/193] via 10.0.1.3, 01:07:12, Serial1/0.1
C       10.1.2.0/24 is directly connected, Serial1/1
C       10.1.1.0/24 is directly connected, FastEthernet0/0
O       10.0.3.3/32 [110/64] via 10.0.1.3, 01:07:12, Serial1/0.1
O IA    10.2.3.0/24 [110/257] via 10.0.1.3, 01:07:12, Serial1/0.1
C       10.0.1.0/24 is directly connected, Serial1/0.1
O       10.0.6.0/24 [110/192] via 10.0.1.3, 01:07:12, Serial1/0.1
O       10.0.3.5/32 [110/128] via 10.0.1.3, 01:07:12, Serial1/0.1
O       10.0.7.0/24 [110/193] via 10.0.1.3, 01:07:12, Serial1/0.1
O       10.0.3.4/32 [110/128] via 10.0.1.3, 01:07:12, Serial1/0.1
O       10.0.4.0/24 [110/129] via 10.0.1.3, 01:07:12, Serial1/0.1
O       10.0.5.0/24 [110/192] via 10.0.1.3, 01:07:12, Serial1/0.1
O E2 192.168.0.0/24 [110/20] via 10.0.1.1, 01:17:29, Serial1/0.1
R3 R3 sh run
Building configuration...

Current configuration : 2165 bytes
!
upgrade fpd auto
version 12.4
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname R3
!
boot-start-marker
boot-end-marker
!
logging message-counter syslog
!
no aaa new-model
ip source-route
no ip icmp rate-limit unreachable
ip cef
!
!
!
!
no ip domain lookup
no ipv6 cef
!
multilink bundle-name authenticated
!
!
voice dsp waitstate 0
!
!
!
!
!
!
!
!
!
!
!
!
!
memory-size iomem 0
archive
 log config
  hidekeys
! 
!
!
!
!
ip tcp synwait-time 5
!
!
!
!
interface Loopback0
 ip address 1.1.3.3 255.255.255.0
!
interface FastEthernet0/0
 no ip address
 shutdown
 duplex half
!
interface Serial1/0
 no ip address
 encapsulation frame-relay
 serial restart-delay 0
!
interface Serial1/0.1 multipoint
 ip address 10.0.1.3 255.255.255.0
 ip ospf priority 0
 snmp trap link-status
 frame-relay map ip 10.0.1.1 301 broadcast
!
interface Serial1/0.2 multipoint
 ip address 10.0.3.3 255.255.255.0
 ip ospf network point-to-multipoint
 snmp trap link-status
 frame-relay map ip 10.0.3.4 324 broadcast
 frame-relay map ip 10.0.3.5 325 broadcast
!
interface Serial1/1
 no ip address
 shutdown
 serial restart-delay 0
!
interface Serial1/2
 no ip address
 shutdown
 serial restart-delay 0
!
interface Serial1/3
 no ip address
 shutdown
 serial restart-delay 0
!
interface Ethernet2/0
 no ip address
 shutdown
 duplex half
!
interface Ethernet2/1
 no ip address
 shutdown
 duplex half
!
interface Ethernet2/2
 no ip address
 shutdown
 duplex half
!
interface Ethernet2/3
 no ip address
 shutdown
 duplex half
!
router ospf 1
 router-id 1.1.3.3
 log-adjacency-changes
 network 1.1.3.0 0.0.0.255 area 0
 network 10.0.1.0 0.0.0.255 area 0
 network 10.0.3.0 0.0.0.255 area 0
 neighbor 10.0.3.4
 neighbor 10.0.3.5
!
ip forward-protocol nd
no ip http server
no ip http secure-server
!
!
!
logging alarm informational
no cdp log mismatch duplex
!
!
!
!
!
!
!
control-plane
!
!
!
mgcp fax t38 ecm
!
!
!
!
gatekeeper
 shutdown
!
!
line con 0
 exec-timeout 0 0
 privilege level 15
 logging synchronous
 stopbits 1
line aux 0
 exec-timeout 0 0
 privilege level 15
 logging synchronous
 stopbits 1
line vty 0 4
 login
!
end
R3 sh ip protocol
Routing Protocol is "ospf 1"
  Outgoing update filter list for all interfaces is not set
  Incoming update filter list for all interfaces is not set
  Router ID 1.1.3.3
  Number of areas in this router is 1. 1 normal 0 stub 0 nssa
  Maximum path: 4
  Routing for Networks:
    1.1.3.0 0.0.0.255 area 0
    10.0.1.0 0.0.0.255 area 0
    10.0.3.0 0.0.0.255 area 0
 Reference bandwidth unit is 100 mbps
  Routing Information Sources:
    Gateway         Distance      Last Update
    1.1.6.6              110      01:01:22
    1.1.7.7              110      01:07:15
    1.1.4.4              110      01:07:15
    1.1.5.5              110      01:07:15
    1.1.2.2              110      00:48:52
    1.1.1.1              110      01:07:15
    10.0.7.8             110      00:11:26
  Distance: (default is 110)
R3 sh ip ospf neighbor
Neighbor ID     Pri   State           Dead Time   Address         Interface
1.1.4.4           0   FULL/  -        00:01:32    10.0.3.4        Serial1/0.2
1.1.5.5           0   FULL/  -        00:01:37    10.0.3.5        Serial1/0.2
N/A               0   ATTEMPT/DROTHER    -        10.0.1.2        Serial1/0.1
1.1.1.1           1   FULL/DR         00:01:55    10.0.1.1        Serial1/0.1
R3 sh ip ospf database
            OSPF Router with ID (1.1.3.3) (Process ID 1)

		Router Link States (Area 0)

Link ID         ADV Router      Age         Seq#       Checksum Link count
1.1.1.1         1.1.1.1         871         0x80000004 0x00B009 2
1.1.2.2         1.1.2.2         950         0x8000000A 0x00D1F2 1
1.1.3.3         1.1.3.3         141         0x80000006 0x00E8CF 5
1.1.4.4         1.1.4.4         920         0x8000000E 0x00C3B5 6
1.1.5.5         1.1.5.5         912         0x80000012 0x002B67 8
1.1.6.6         1.1.6.6         236         0x80000009 0x006A5C 2
1.1.7.7         1.1.7.7         1824        0x80000009 0x00E4FA 4
10.0.7.8        10.0.7.8        2008        0x80000008 0x000756 4

		Net Link States (Area 0)

Link ID         ADV Router      Age         Seq#       Checksum
10.0.1.1        1.1.1.1         871         0x80000004 0x00E32D
10.0.4.6        1.1.6.6         1989        0x80000007 0x008253

		Summary Net Link States (Area 0)

Link
R3 sh ip ospf int
Loopback0 is up, line protocol is up 
  Internet Address 1.1.3.3/24, Area 0 
  Process ID 1, Router ID 1.1.3.3, Network Type LOOPBACK, Cost: 1
  Loopback interface is treated as a stub Host
Serial1/0.2 is up, line protocol is up 
  Internet Address 10.0.3.3/24, Area 0 
  Process ID 1, Router ID 1.1.3.3, Network Type POINT_TO_MULTIPOINT, Cost: 64
  Transmit Delay is 1 sec, State POINT_TO_MULTIPOINT
  Timer intervals configured, Hello 30, Dead 120, Wait 120, Retransmit 5
    oob-resync timeout 120
    Hello due in 00:00:27
  Supports Link-local Signaling (LLS)
  Cisco NSF helper support enabled
  IETF NSF helper support enabled
  Index 3/3, flood queue length 0
  Next 0x0(0)/0x0(0)
  Last flood scan length is 1, maximum is 26
  Last flood scan time is 0 msec, maximum is 4 msec
  Neighbor Count is 2, Adjacent neighbor count is 2 
    Adjacent with neighbor 1.1.4.4
    Adjacent with neighbor 1.1.5.5
  Suppress hello for 0 neighbor(s)
Serial1/0.1 is up, line protocol is up 
  Internet Address 10.0.1.3/24, Area 0 
  Process ID 1, Router ID 1.1.3.3, Network Type NON_BROADCAST, Cost: 64
  Transmit Delay is 1 sec, State DROTHER, Priority 0
  Designated Router (ID) 1.1.1.1, Interface address 10.0.1.1
  No backup designated router on this network
  Timer intervals configured, Hello 30, Dead 120, Wait 120, Retransmit 5
    oob-resync timeout 120
    Hello due in 00:00:16
  Supports Link-local Signaling (LLS)
  Cisco NSF helper support enabled
  IETF NSF helper support enabled
  Index 2/2, flood queue length 0
  Next 0x0(0)/0x0(0)
  Last flood scan length is 1, maximum is 4
  Last flood scan time is 0 msec, maximum is 4 msec
  Neighbor Count is 1, Adjacent neighbor count is 1 
    Adjacent with neighbor 1.1.1.1  (Designated Router)
  Suppress hello for 0 neighbor(s)
R3 sh ip ospf int bri
Interface    PID   Area            IP Address/Mask    Cost  State Nbrs F/C
Lo0          1     0               1.1.3.3/24         1     LOOP  0/0
Se1/0.2      1     0               10.0.3.3/24        64    P2MP  2/2
Se1/0.1      1     0               10.0.1.3/24        64    DROTH 1/1
R3 sh ip route
Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP
       D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area 
       N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
       E1 - OSPF external type 1, E2 - OSPF external type 2
       i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2
       ia - IS-IS inter area, * - candidate default, U - per-user static route
       o - ODR, P - periodic downloaded static route

Gateway of last resort is not set

     1.0.0.0/8 is variably subnetted, 10 subnets, 2 masks
O IA    1.1.13.13/32 [110/194] via 10.0.3.5, 01:07:16, Serial1/0.2
O IA    1.1.12.12/32 [110/130] via 10.0.3.5, 01:07:16, Serial1/0.2
O IA    1.1.10.10/32 [110/76] via 10.0.1.2, 00:48:53, Serial1/0.1
O IA    1.1.9.9/32 [110/66] via 10.0.1.2, 00:52:00, Serial1/0.1
O       1.1.7.7/32 [110/66] via 10.0.3.5, 01:07:16, Serial1/0.2
                   [110/66] via 10.0.3.4, 01:07:16, Serial1/0.2
O       1.1.6.6/32 [110/66] via 10.0.3.5, 01:07:16, Serial1/0.2
                   [110/66] via 10.0.3.4, 01:07:16, Serial1/0.2
O       1.1.5.5/32 [110/65] via 10.0.3.5, 01:07:16, Serial1/0.2
O       1.1.4.4/32 [110/65] via 10.0.3.4, 01:07:16, Serial1/0.2
O       1.1.1.1/32 [110/65] via 10.0.1.1, 01:07:16, Serial1/0.1
C       1.1.3.0/24 is directly connected, Loopback0
O E2 8.0.0.0/8 [110/20] via 10.0.3.5, 00:11:27, Serial1/0.2
     10.0.0.0/8 is variably subnetted, 14 subnets, 3 masks
O IA    10.1.3.0/24 [110/75] via 10.0.1.2, 00:52:00, Serial1/0.1
O IA    10.3.0.0/16 [110/129] via 10.0.3.5, 01:01:22, Serial1/0.2
                    [110/129] via 10.0.3.4, 01:01:22, Serial1/0.2
O IA    10.2.1.0/24 [110/129] via 10.0.3.5, 01:07:16, Serial1/0.2
O IA    10.1.2.0/24 [110/128] via 10.0.1.2, 01:07:16, Serial1/0.1
C       10.0.3.0/24 is directly connected, Serial1/0.2
O IA    10.1.1.0/24 [110/65] via 10.0.1.2, 01:07:16, Serial1/0.1
O IA    10.2.3.0/24 [110/193] via 10.0.3.5, 01:07:16, Serial1/0.2
C       10.0.1.0/24 is directly connected, Serial1/0.1
O       10.0.6.0/24 [110/128] via 10.0.3.5, 01:07:16, Serial1/0.2
                    [110/128] via 10.0.3.4, 01:07:16, Serial1/0.2
O       10.0.3.5/32 [110/64] via 10.0.3.5, 01:07:16, Serial1/0.2
O       10.0.7.0/24 [110/129] via 10.0.3.5, 01:07:16, Serial1/0.2
                    [110/129] via 10.0.3.4, 01:07:16, Serial1/0.2
O       10.0.3.4/32 [110/64] via 10.0.3.4, 01:07:16, Serial1/0.2
O       10.0.4.0/24 [110/65] via 10.0.3.5, 01:07:16, Serial1/0.2
                    [110/65] via 10.0.3.4, 01:07:16, Serial1/0.2
O       10.0.5.0/24 [110/128] via 10.0.3.5, 01:07:16, Serial1/0.2
O E2 192.168.0.0/24 [110/20] via 10.0.1.1, 01:07:16, Serial1/0.1
R4 R4 sh run
Building configuration...

Current configuration : 2121 bytes
!
upgrade fpd auto
version 12.4
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname R4
!
boot-start-marker
boot-end-marker
!
logging message-counter syslog
!
no aaa new-model
ip source-route
no ip icmp rate-limit unreachable
ip cef
!
!
!
!
no ip domain lookup
no ipv6 cef
!
multilink bundle-name authenticated
!
!
voice dsp waitstate 0
!
!
!
!
!
!
!
!
!
!
!
!
!
memory-size iomem 0
archive
 log config
  hidekeys
! 
!
!
!
!
ip tcp synwait-time 5
!
!
!
!
interface Loopback0
 ip address 1.1.4.4 255.255.255.0
!
interface FastEthernet0/0
 ip address 10.0.4.4 255.255.255.0
 duplex half
!
interface Serial1/0
 no ip address
 encapsulation frame-relay
 serial restart-delay 0
!
interface Serial1/0.1 point-to-point
 ip address 10.0.3.4 255.255.255.0
 ip ospf network point-to-multipoint
 ip ospf priority 0
 snmp trap link-status
 frame-relay interface-dlci 423   
!
interface Serial1/0.2 point-to-point
 ip address 10.0.6.4 255.255.255.0
 snmp trap link-status
 frame-relay interface-dlci 405   
!
interface Serial1/1
 no ip address
 shutdown
 serial restart-delay 0
!
interface Serial1/2
 no ip address
 shutdown
 serial restart-delay 0
!
interface Serial1/3
 no ip address
 shutdown
 serial restart-delay 0
!
interface Ethernet2/0
 no ip address
 shutdown
 duplex half
!
interface Ethernet2/1
 no ip address
 shutdown
 duplex half
!
interface Ethernet2/2
 no ip address
 shutdown
 duplex half
!
interface Ethernet2/3
 no ip address
 shutdown
 duplex half
!
router ospf 1
 router-id 1.1.4.4
 log-adjacency-changes
 network 1.1.4.0 0.0.0.255 area 0
 network 10.0.3.0 0.0.0.255 area 0
 network 10.0.4.0 0.0.0.255 area 0
 network 10.0.6.0 0.0.0.255 area 0
!
ip forward-protocol nd
no ip http server
no ip http secure-server
!
!
!
logging alarm informational
no cdp log mismatch duplex
!
!
!
!
!
!
!
control-plane
!
!
!
mgcp fax t38 ecm
!
!
!
!
gatekeeper
 shutdown
!
!
line con 0
 exec-timeout 0 0
 privilege level 15
 logging synchronous
 stopbits 1
line aux 0
 exec-timeout 0 0
 privilege level 15
 logging synchronous
 stopbits 1
line vty 0 4
 login
!
end
R4 sh ip protocol
Routing Protocol is "ospf 1"
  Outgoing update filter list for all interfaces is not set
  Incoming update filter list for all interfaces is not set
  Router ID 1.1.4.4
  Number of areas in this router is 1. 1 normal 0 stub 0 nssa
  Maximum path: 4
  Routing for Networks:
    1.1.4.0 0.0.0.255 area 0
    10.0.3.0 0.0.0.255 area 0
    10.0.4.0 0.0.0.255 area 0
    10.0.6.0 0.0.0.255 area 0
 Reference bandwidth unit is 100 mbps
  Routing Information Sources:
    Gateway         Distance      Last Update
    1.1.2.2              110      00:48:56
    1.1.1.1              110      01:07:19
    1.1.3.3              110      01:07:19
    1.1.13.13            110      01:22:52
    1.1.7.7              110      01:23:12
    1.1.6.6              110      01:01:26
    1.1.5.5              110      01:22:52
    10.0.7.8             110      00:11:30
  Distance: (default is 110)
R4 sh ip ospf neighbor
Neighbor ID     Pri   State           Dead Time   Address         Interface
1.1.5.5           1   2WAY/DROTHER    00:00:38    10.0.4.5        FastEthernet0/0
1.1.6.6           1   FULL/DR         00:00:34    10.0.4.6        FastEthernet0/0
1.1.7.7           1   FULL/BDR        00:00:34    10.0.4.7        FastEthernet0/0
1.1.5.5           0   FULL/  -        00:00:39    10.0.6.5        Serial1/0.2
1.1.3.3           0   FULL/  -        00:01:55    10.0.3.3        Serial1/0.1
R4 sh ip ospf database
            OSPF Router with ID (1.1.4.4) (Process ID 1)

		Router Link States (Area 0)

Link ID         ADV Router      Age         Seq#       Checksum Link count
1.1.1.1         1.1.1.1         876         0x80000004 0x00B009 2
1.1.2.2         1.1.2.2         955         0x8000000A 0x00D1F2 1
1.1.3.3         1.1.3.3         146         0x80000006 0x00E8CF 5
1.1.4.4         1.1.4.4         923         0x8000000E 0x00C3B5 6
1.1.5.5         1.1.5.5         917         0x80000012 0x002B67 8
1.1.6.6         1.1.6.6         239         0x80000009 0x006A5C 2
1.1.7.7         1.1.7.7         1827        0x80000009 0x00E4FA 4
10.0.7.8        10.0.7.8        2012        0x80000008 0x000756 4

		Net Link States (Area 0)

Link ID         ADV Router      Age         Seq#       Checksum
10.0.1.1        1.1.1.1         876         0x80000004 0x00E32D
10.0.4.6        1.1.6.6         1992        0x80000007 0x008253

		Summary Net Link States (Area 0)

Link
R4 sh ip ospf int
Loopback0 is up, line protocol is up 
  Internet Address 1.1.4.4/24, Area 0 
  Process ID 1, Router ID 1.1.4.4, Network Type LOOPBACK, Cost: 1
  Loopback interface is treated as a stub Host
FastEthernet0/0 is up, line protocol is up 
  Internet Address 10.0.4.4/24, Area 0 
  Process ID 1, Router ID 1.1.4.4, Network Type BROADCAST, Cost: 1
  Transmit Delay is 1 sec, State DROTHER, Priority 1
  Designated Router (ID) 1.1.6.6, Interface address 10.0.4.6
  Backup Designated router (ID) 1.1.7.7, Interface address 10.0.4.7
  Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5
    oob-resync timeout 40
    Hello due in 00:00:07
  Supports Link-local Signaling (LLS)
  Cisco NSF helper support enabled
  IETF NSF helper support enabled
  Index 4/4, flood queue length 0
  Next 0x0(0)/0x0(0)
  Last flood scan length is 1, maximum is 4
  Last flood scan time is 0 msec, maximum is 4 msec
  Neighbor Count is 3, Adjacent neighbor count is 2 
    Adjacent with neighbor 1.1.6.6  (Designated Router)
    Adjacent with neighbor 1.1.7.7  (Backup Designated Router)
  Suppress hello for 0 neighbor(s)
Serial1/0.2 is up, line protocol is up 
  Internet Address 10.0.6.4/24, Area 0 
  Process ID 1, Router ID 1.1.4.4, Network Type POINT_TO_POINT, Cost: 64
  Transmit Delay is 1 sec, State POINT_TO_POINT
  Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5
    oob-resync timeout 40
    Hello due in 00:00:05
  Supports Link-local Signaling (LLS)
  Cisco NSF helper support enabled
  IETF NSF helper support enabled
  Index 3/3, flood queue length 0
  Next 0x0(0)/0x0(0)
  Last flood scan length is 1, maximum is 5
  Last flood scan time is 0 msec, maximum is 4 msec
  Neighbor Count is 1, Adjacent neighbor count is 1 
    Adjacent with neighbor 1.1.5.5
  Suppress hello for 0 neighbor(s)
Serial1/0.1 is up, line protocol is up 
  Internet Address 10.0.3.4/24, Area 0 
  Process ID 1, Router ID 1.1.4.4, Network Type POINT_TO_MULTIPOINT, Cost: 64
  Transmit Delay is 1 sec, State POINT_TO_MULTIPOINT
  Timer intervals configured, Hello 30, Dead 120, Wait 120, Retransmit 5
    oob-resync timeout 120
    Hello due in 00:00:25
  Supports Link-local Signaling (LLS)
  Cisco NSF helper support enabled
  IETF NSF helper support enabled
  Index 2/2, flood queue length 0
  Next 0x0(0)/0x0(0)
  Last flood scan length is 1, maximum is 4
  Last flood scan time is 0 msec, maximum is 4 msec
  Neighbor Count is 1, Adjacent neighbor count is 1 
    Adjacent with neighbor 1.1.3.3
  Suppress hello for 0 neighbor(s)
R4 sh ip ospf int bri
Interface    PID   Area            IP Address/Mask    Cost  State Nbrs F/C
Lo0          1     0               1.1.4.4/24         1     LOOP  0/0
Fa0/0        1     0               10.0.4.4/24        1     DROTH 2/3
Se1/0.2      1     0               10.0.6.4/24        64    P2P   1/1
Se1/0.1      1     0               10.0.3.4/24        64    P2MP  1/1
R4 sh ip route
Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP
       D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area 
       N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
       E1 - OSPF external type 1, E2 - OSPF external type 2
       i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2
       ia - IS-IS inter area, * - candidate default, U - per-user static route
       o - ODR, P - periodic downloaded static route

Gateway of last resort is not set

     1.0.0.0/8 is variably subnetted, 10 subnets, 2 masks
O IA    1.1.13.13/32 [110/131] via 10.0.4.7, 01:12:21, FastEthernet0/0
                     [110/131] via 10.0.4.5, 01:12:21, FastEthernet0/0
O IA    1.1.12.12/32 [110/67] via 10.0.4.7, 01:12:39, FastEthernet0/0
                     [110/67] via 10.0.4.5, 01:12:39, FastEthernet0/0
O IA    1.1.10.10/32 [110/140] via 10.0.3.3, 00:48:57, Serial1/0.1
O IA    1.1.9.9/32 [110/130] via 10.0.3.3, 00:52:04, Serial1/0.1
O       1.1.7.7/32 [110/2] via 10.0.4.7, 01:23:13, FastEthernet0/0
O       1.1.6.6/32 [110/2] via 10.0.4.6, 01:23:13, FastEthernet0/0
O       1.1.5.5/32 [110/2] via 10.0.4.5, 01:22:53, FastEthernet0/0
O       1.1.3.3/32 [110/65] via 10.0.3.3, 01:07:20, Serial1/0.1
O       1.1.1.1/32 [110/129] via 10.0.3.3, 01:07:20, Serial1/0.1
C       1.1.4.0/24 is directly connected, Loopback0
O E2 8.0.0.0/8 [110/20] via 10.0.4.7, 00:11:31, FastEthernet0/0
               [110/20] via 10.0.4.5, 00:11:31, FastEthernet0/0
     10.0.0.0/8 is variably subnetted, 14 subnets, 3 masks
O IA    10.1.3.0/24 [110/139] via 10.0.3.3, 00:52:04, Serial1/0.1
O IA    10.3.0.0/16 [110/65] via 10.0.4.6, 01:01:26, FastEthernet0/0
O IA    10.2.1.0/24 [110/66] via 10.0.4.7, 01:23:13, FastEthernet0/0
                    [110/66] via 10.0.4.5, 01:22:53, FastEthernet0/0
O IA    10.1.2.0/24 [110/192] via 10.0.3.3, 01:07:20, Serial1/0.1
C       10.0.3.0/24 is directly connected, Serial1/0.1
O IA    10.1.1.0/24 [110/129] via 10.0.3.3, 01:07:20, Serial1/0.1
O       10.0.3.3/32 [110/64] via 10.0.3.3, 01:07:20, Serial1/0.1
O IA    10.2.3.0/24 [110/130] via 10.0.4.7, 01:12:39, FastEthernet0/0
                    [110/130] via 10.0.4.5, 01:12:39, FastEthernet0/0
O       10.0.1.0/24 [110/128] via 10.0.3.3, 01:07:20, Serial1/0.1
C       10.0.6.0/24 is directly connected, Serial1/0.2
O       10.0.3.5/32 [110/1] via 10.0.4.5, 01:22:53, FastEthernet0/0
O       10.0.7.0/24 [110/65] via 10.0.4.7, 01:23:13, FastEthernet0/0
C       10.0.4.0/24 is directly connected, FastEthernet0/0
O       10.0.5.0/24 [110/65] via 10.0.4.5, 01:22:53, FastEthernet0/0
O E2 192.168.0.0/24 [110/20] via 10.0.3.3, 01:07:20, Serial1/0.1
R5 R5 sh run
Building configuration...

Current configuration : 2166 bytes
!
upgrade fpd auto
version 12.4
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname R5
!
boot-start-marker
boot-end-marker
!
logging message-counter syslog
!
no aaa new-model
ip source-route
no ip icmp rate-limit unreachable
ip cef
!
!
!
!
no ip domain lookup
no ipv6 cef
!
multilink bundle-name authenticated
!
!
voice dsp waitstate 0
!
!
!
!
!
!
!
!
!
!
!
!
!
memory-size iomem 0
archive
 log config
  hidekeys
! 
!
!
!
!
ip tcp synwait-time 5
!
!
!
!
interface Loopback0
 ip address 1.1.5.5 255.255.255.0
!
interface FastEthernet0/0
 ip address 10.0.4.5 255.255.255.0
 duplex half
!
interface Serial1/0
 no ip address
 encapsulation frame-relay
 serial restart-delay 0
!
interface Serial1/0.1 point-to-point
 ip address 10.0.3.5 255.255.255.0
 ip ospf network point-to-multipoint
 ip ospf priority 0
 snmp trap link-status
 frame-relay interface-dlci 523   
!
interface Serial1/0.2 point-to-point
 ip address 10.0.6.5 255.255.255.0
 snmp trap link-status
 frame-relay interface-dlci 504   
!
interface Serial1/1
 ip address 10.0.5.5 255.255.255.0
 serial restart-delay 0
!
interface Serial1/2
 no ip address
 shutdown
 serial restart-delay 0
!
interface Serial1/3
 no ip address
 shutdown
 serial restart-delay 0
!
interface Ethernet2/0
 no ip address
 shutdown
 duplex half
!
interface Ethernet2/1
 no ip address
 shutdown
 duplex half
!
interface Ethernet2/2
 no ip address
 shutdown
 duplex half
!
interface Ethernet2/3
 no ip address
 shutdown
 duplex half
!
router ospf 1
 router-id 1.1.5.5
 log-adjacency-changes
 network 1.1.5.0 0.0.0.255 area 0
 network 10.0.3.0 0.0.0.255 area 0
 network 10.0.4.0 0.0.0.255 area 0
 network 10.0.5.0 0.0.0.255 area 0
 network 10.0.6.0 0.0.0.255 area 0
!
ip forward-protocol nd
no ip http server
no ip http secure-server
!
!
!
logging alarm informational
no cdp log mismatch duplex
!
!
!
!
!
!
!
control-plane
!
!
!
mgcp fax t38 ecm
!
!
!
!
gatekeeper
 shutdown
!
!
line con 0
 exec-timeout 0 0
 privilege level 15
 logging synchronous
 stopbits 1
line aux 0
 exec-timeout 0 0
 privilege level 15
 logging synchronous
 stopbits 1
line vty 0 4
 login
!
end
R5 sh ip protocol
Routing Protocol is "ospf 1"
  Outgoing update filter list for all interfaces is not set
  Incoming update filter list for all interfaces is not set
  Router ID 1.1.5.5
  Number of areas in this router is 1. 1 normal 0 stub 0 nssa
  Maximum path: 4
  Routing for Networks:
    1.1.5.0 0.0.0.255 area 0
    10.0.3.0 0.0.0.255 area 0
    10.0.4.0 0.0.0.255 area 0
    10.0.5.0 0.0.0.255 area 0
    10.0.6.0 0.0.0.255 area 0
 Reference bandwidth unit is 100 mbps
  Routing Information Sources:
    Gateway         Distance      Last Update
    1.1.2.2              110      00:49:00
    1.1.1.1              110      01:07:23
    1.1.3.3              110      01:07:23
    1.1.13.13            110      01:23:05
    1.1.7.7              110      01:23:05
    1.1.6.6              110      01:01:29
    1.1.4.4              110      01:23:05
    10.0.7.8             110      00:11:33
  Distance: (default is 110)
R5 sh ip ospf neighbor
Neighbor ID     Pri   State           Dead Time   Address         Interface
10.0.7.8          0   FULL/  -        00:00:39    10.0.5.8        Serial1/1
1.1.4.4           1   2WAY/DROTHER    00:00:35    10.0.4.4        FastEthernet0/0
1.1.6.6           1   FULL/DR         00:00:31    10.0.4.6        FastEthernet0/0
1.1.7.7           1   FULL/BDR        00:00:31    10.0.4.7        FastEthernet0/0
1.1.4.4           0   FULL/  -        00:00:32    10.0.6.4        Serial1/0.2
1.1.3.3           0   FULL/  -        00:01:52    10.0.3.3        Serial1/0.1
R5 sh ip ospf database
            OSPF Router with ID (1.1.5.5) (Process ID 1)

		Router Link States (Area 0)

Link ID         ADV Router      Age         Seq#       Checksum Link count
1.1.1.1         1.1.1.1         880         0x80000004 0x00B009 2
1.1.2.2         1.1.2.2         958         0x8000000A 0x00D1F2 1
1.1.3.3         1.1.3.3         149         0x80000006 0x00E8CF 5
1.1.4.4         1.1.4.4         928         0x8000000E 0x00C3B5 6
1.1.5.5         1.1.5.5         918         0x80000012 0x002B67 8
1.1.6.6         1.1.6.6         242         0x80000009 0x006A5C 2
1.1.7.7         1.1.7.7         1831        0x80000009 0x00E4FA 4
10.0.7.8        10.0.7.8        2014        0x80000008 0x000756 4

		Net Link States (Area 0)

Link ID         ADV Router      Age         Seq#       Checksum
10.0.1.1        1.1.1.1         880         0x80000004 0x00E32D
10.0.4.6        1.1.6.6         1995        0x80000007 0x008253

		Summary Net Link States (Area 0)

Link
R5 sh ip ospf int
Loopback0 is up, line protocol is up 
  Internet Address 1.1.5.5/24, Area 0 
  Process ID 1, Router ID 1.1.5.5, Network Type LOOPBACK, Cost: 1
  Loopback interface is treated as a stub Host
Serial1/1 is up, line protocol is up 
  Internet Address 10.0.5.5/24, Area 0 
  Process ID 1, Router ID 1.1.5.5, Network Type POINT_TO_POINT, Cost: 64
  Transmit Delay is 1 sec, State POINT_TO_POINT
  Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5
    oob-resync timeout 40
    Hello due in 00:00:07
  Supports Link-local Signaling (LLS)
  Cisco NSF helper support enabled
  IETF NSF helper support enabled
  Index 5/5, flood queue length 0
  Next 0x0(0)/0x0(0)
  Last flood scan length is 1, maximum is 4
  Last flood scan time is 0 msec, maximum is 4 msec
  Neighbor Count is 1, Adjacent neighbor count is 1 
    Adjacent with neighbor 10.0.7.8
  Suppress hello for 0 neighbor(s)
FastEthernet0/0 is up, line protocol is up 
  Internet Address 10.0.4.5/24, Area 0 
  Process ID 1, Router ID 1.1.5.5, Network Type BROADCAST, Cost: 1
  Transmit Delay is 1 sec, State DROTHER, Priority 1
  Designated Router (ID) 1.1.6.6, Interface address 10.0.4.6
  Backup Designated router (ID) 1.1.7.7, Interface address 10.0.4.7
  Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5
    oob-resync timeout 40
    Hello due in 00:00:04
  Supports Link-local Signaling (LLS)
  Cisco NSF helper support enabled
  IETF NSF helper support enabled
  Index 4/4, flood queue length 0
  Next 0x0(0)/0x0(0)
  Last flood scan length is 1, maximum is 4
  Last flood scan time is 0 msec, maximum is 4 msec
  Neighbor Count is 3, Adjacent neighbor count is 2 
    Adjacent with neighbor 1.1.6.6  (Designated Router)
    Adjacent with neighbor 1.1.7.7  (Backup Designated Router)
  Suppress hello for 0 neighbor(s)
Serial1/0.2 is up, line protocol is up 
  Internet Address 10.0.6.5/24, Area 0 
  Process ID 1, Router ID 1.1.5.5, Network Type POINT_TO_POINT, Cost: 64
  Transmit Delay is 1 sec, State POINT_TO_POINT
  Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5
    oob-resync timeout 40
    Hello due in 00:00:05
  Supports Link-local Signaling (LLS)
  Cisco NSF helper support enabled
  IETF NSF helper support enabled
  Index 3/3, flood queue length 0
  Next 0x0(0)/0x0(0)
  Last flood scan length is 1, maximum is 5
  Last flood scan time is 0 msec, maximum is 4 msec
  Neighbor Count is 1, Adjacent neighbor count is 1 
    Adjacent with neighbor 1.1.4.4
  Suppress hello for 0 neighbor(s)
Serial1/0.1 is up, line protocol is up 
  Internet Address 10.0.3.5/24, Area 0 
  Process ID 1, Router ID 1.1.5.5, Network Type POINT_TO_MULTIPOINT, Cost: 64
  Transmit Delay is 1 sec, State POINT_TO_MULTIPOINT
  Timer intervals configured, Hello 30, Dead 120, Wait 120, Retransmit 5
    oob-resync timeout 120
    Hello due in 00:00:28
  Supports Link-local Signaling (LLS)
  Cisco NSF helper support enabled
  IETF NSF helper support enabled
  Index 2/2, flood queue length 0
  Next 0x0(0)/0x0(0)
  Last flood scan length is 1, maximum is 5
  Last flood scan time is 0 msec, maximum is 4 msec
  Neighbor Count is 1, Adjacent neighbor count is 1 
    Adjacent with neighbor 1.1.3.3
  Suppress hello for 0 neighbor(s)
R5 sh ip ospf int bri
Interface    PID   Area            IP Address/Mask    Cost  State Nbrs F/C
Lo0          1     0               1.1.5.5/24         1     LOOP  0/0
Se1/1        1     0               10.0.5.5/24        64    P2P   1/1
Fa0/0        1     0               10.0.4.5/24        1     DROTH 2/3
Se1/0.2      1     0               10.0.6.5/24        64    P2P   1/1
Se1/0.1      1     0               10.0.3.5/24        64    P2MP  1/1
R5 sh ip route
Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP
       D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area 
       N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
       E1 - OSPF external type 1, E2 - OSPF external type 2
       i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2
       ia - IS-IS inter area, * - candidate default, U - per-user static route
       o - ODR, P - periodic downloaded static route

Gateway of last resort is not set

     1.0.0.0/8 is variably subnetted, 10 subnets, 2 masks
O IA    1.1.13.13/32 [110/130] via 10.0.5.8, 01:12:24, Serial1/1
O IA    1.1.12.12/32 [110/66] via 10.0.5.8, 01:12:42, Serial1/1
O IA    1.1.10.10/32 [110/140] via 10.0.3.3, 00:49:00, Serial1/0.1
O IA    1.1.9.9/32 [110/130] via 10.0.3.3, 00:52:07, Serial1/0.1
O       1.1.7.7/32 [110/2] via 10.0.4.7, 01:23:06, FastEthernet0/0
O       1.1.6.6/32 [110/2] via 10.0.4.6, 01:23:06, FastEthernet0/0
O       1.1.4.4/32 [110/2] via 10.0.4.4, 01:23:06, FastEthernet0/0
O       1.1.3.3/32 [110/65] via 10.0.3.3, 01:07:23, Serial1/0.1
O       1.1.1.1/32 [110/129] via 10.0.3.3, 01:07:23, Serial1/0.1
C       1.1.5.0/24 is directly connected, Loopback0
O E2 8.0.0.0/8 [110/20] via 10.0.5.8, 00:11:34, Serial1/1
     10.0.0.0/8 is variably subnetted, 14 subnets, 3 masks
O IA    10.1.3.0/24 [110/139] via 10.0.3.3, 00:52:08, Serial1/0.1
O IA    10.3.0.0/16 [110/65] via 10.0.4.6, 01:01:30, FastEthernet0/0
O IA    10.2.1.0/24 [110/65] via 10.0.5.8, 01:23:06, Serial1/1
O IA    10.1.2.0/24 [110/192] via 10.0.3.3, 01:07:24, Serial1/0.1
C       10.0.3.0/24 is directly connected, Serial1/0.1
O IA    10.1.1.0/24 [110/129] via 10.0.3.3, 01:07:24, Serial1/0.1
O       10.0.3.3/32 [110/64] via 10.0.3.3, 01:07:24, Serial1/0.1
O IA    10.2.3.0/24 [110/129] via 10.0.5.8, 01:12:42, Serial1/1
O       10.0.1.0/24 [110/128] via 10.0.3.3, 01:07:24, Serial1/0.1
C       10.0.6.0/24 is directly connected, Serial1/0.2
O       10.0.7.0/24 [110/65] via 10.0.4.7, 01:23:06, FastEthernet0/0
O       10.0.3.4/32 [110/1] via 10.0.4.4, 01:23:06, FastEthernet0/0
C       10.0.4.0/24 is directly connected, FastEthernet0/0
C       10.0.5.0/24 is directly connected, Serial1/1
O E2 192.168.0.0/24 [110/20] via 10.0.3.3, 01:07:24, Serial1/0.1
R6 R6 sh run
Building configuration...

Current configuration : 1793 bytes
!
upgrade fpd auto
version 12.4
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname R6
!
boot-start-marker
boot-end-marker
!
logging message-counter syslog
!
no aaa new-model
ip source-route
no ip icmp rate-limit unreachable
ip cef
!
!
!
!
no ip domain lookup
no ipv6 cef
!
multilink bundle-name authenticated
!
!
voice dsp waitstate 0
!
!
!
!
!
!
!
!
!
!
!
!
!
memory-size iomem 0
archive
 log config
  hidekeys
! 
!
!
!
!
ip tcp synwait-time 5
!
!
!
!
interface Loopback0
 ip address 1.1.6.6 255.255.255.0
!
interface FastEthernet0/0
 ip address 10.0.4.6 255.255.255.0
 duplex half
!
interface Serial1/0
 ip address 10.3.1.6 255.255.255.0
 serial restart-delay 0
!
interface Serial1/1
 no ip address
 shutdown
 serial restart-delay 0
!
interface Serial1/2
 no ip address
 shutdown
 serial restart-delay 0
!
interface Serial1/3
 no ip address
 shutdown
 serial restart-delay 0
!
interface Ethernet2/0
 no ip address
 shutdown
 duplex half
!
interface Ethernet2/1
 no ip address
 shutdown
 duplex half
!
interface Ethernet2/2
 no ip address
 shutdown
 duplex half
!
interface Ethernet2/3
 no ip address
 shutdown
 duplex half
!
router ospf 1
 router-id 1.1.6.6
 log-adjacency-changes
 area 3 range 10.3.0.0 255.255.0.0
 network 1.1.6.0 0.0.0.255 area 0
 network 10.0.4.0 0.0.0.255 area 0
 network 10.3.1.0 0.0.0.255 area 3
!
ip forward-protocol nd
no ip http server
no ip http secure-server
!
!
!
logging alarm informational
no cdp log mismatch duplex
!
!
!
!
!
!
!
control-plane
!
!
!
mgcp fax t38 ecm
!
!
!
!
gatekeeper
 shutdown
!
!
line con 0
 exec-timeout 0 0
 privilege level 15
 logging synchronous
 stopbits 1
line aux 0
 exec-timeout 0 0
 privilege level 15
 logging synchronous
 stopbits 1
line vty 0 4
 login
!
end
R6 sh ip protocol
Routing Protocol is "ospf 1"
  Outgoing update filter list for all interfaces is not set
  Incoming update filter list for all interfaces is not set
  Router ID 1.1.6.6
  It is an area border router
  Number of areas in this router is 2. 2 normal 0 stub 0 nssa
  Maximum path: 4
  Routing for Networks:
    1.1.6.0 0.0.0.255 area 0
    10.0.4.0 0.0.0.255 area 0
    10.3.1.0 0.0.0.255 area 3
 Reference bandwidth unit is 100 mbps
  Routing Information Sources:
    Gateway         Distance      Last Update
    1.1.6.6              110      01:01:33
    1.1.2.2              110      00:49:04
    1.1.1.1              110      01:01:33
    1.1.3.3              110      01:01:33
    1.1.13.13            110      01:22:59
    1.1.7.7              110      01:01:33
    1.1.4.4              110      01:01:33
    1.1.5.5              110      01:01:33
    1.3.11.11            110      01:01:33
    10.0.7.8             110      00:11:37
  Distance: (default is 110)
R6 sh ip ospf neighbor
Neighbor ID     Pri   State           Dead Time   Address         Interface
1.1.4.4           1   FULL/DROTHER    00:00:30    10.0.4.4        FastEthernet0/0
1.1.5.5           1   FULL/DROTHER    00:00:31    10.0.4.5        FastEthernet0/0
1.1.7.7           1   FULL/BDR        00:00:36    10.0.4.7        FastEthernet0/0
1.3.11.11         0   FULL/  -        00:00:38    10.3.1.11       Serial1/0
R6 sh ip ospf database
            OSPF Router with ID (1.1.6.6) (Process ID 1)

		Router Link States (Area 0)

Link ID         ADV Router      Age         Seq#       Checksum Link count
1.1.1.1         1.1.1.1         885         0x80000004 0x00B009 2
1.1.2.2         1.1.2.2         964         0x8000000A 0x00D1F2 1
1.1.3.3         1.1.3.3         154         0x80000006 0x00E8CF 5
1.1.4.4         1.1.4.4         931         0x8000000E 0x00C3B5 6
1.1.5.5         1.1.5.5         923         0x80000012 0x002B67 8
1.1.6.6         1.1.6.6         245         0x80000009 0x006A5C 2
1.1.7.7         1.1.7.7         1835        0x80000009 0x00E4FA 4
10.0.7.8        10.0.7.8        2019        0x80000008 0x000756 4

		Net Link States (Area 0)

Link ID         ADV Router      Age         Seq#       Checksum
10.0.1.1        1.1.1.1         885         0x80000004 0x00E32D
10.0.4.6        1.1.6.6         1998        0x80000007 0x008253

		Summary Net Link States (Area 0)

Link ID         ADV Router      Age         Seq#       Checksum
1.1.9.9         1.1.2.2         1216        0x80000002 0x009986
1.1.10.10       1.1.2.2         964         0x80000004 0x00E42D
1.1.12.12       10.0.7.8        502         0x80000003 0x00C73E
1.1.13.13       10.0.7.8        502         0x80000003 0x00358E
10.1.1.0        1.1.2.2         716         0x80000003 0x00CA5D
10.1.2.0        1.1.2.2         964         0x80000006 0x0032B2
10.1.3.0        1.1.2.2         1216        0x80000004 0x001704
10.2.1.0        10.0.7.8        2019        0x80000005 0x002AE7
10.2.3.0        10.0.7.8        502         0x80000003 0x009A37
10.3.0.0        1.1.6.6         1743        0x80000002 0x0004DC

		Router Link States (Area 3)

Link ID         ADV Router      Age         Seq#       Checksum Link count
1.1.6.6         1.1.6.6         1998        0x80000007 0x003B0A 2
1.3.11.11       1.3.11.11       1979        0x80000007 0x00F0B2 6

		Summary Net Link States (Area 3)

Lin
R6 sh ip ospf int
Loopback0 is up, line protocol is up 
  Internet Address 1.1.6.6/24, Area 0 
  Process ID 1, Router ID 1.1.6.6, Network Type LOOPBACK, Cost: 1
  Loopback interface is treated as a stub Host
FastEthernet0/0 is up, line protocol is up 
  Internet Address 10.0.4.6/24, Area 0 
  Process ID 1, Router ID 1.1.6.6, Network Type BROADCAST, Cost: 1
  Transmit Delay is 1 sec, State DR, Priority 1
  Designated Router (ID) 1.1.6.6, Interface address 10.0.4.6
  Backup Designated router (ID) 1.1.7.7, Interface address 10.0.4.7
  Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5
    oob-resync timeout 40
    Hello due in 00:00:06
  Supports Link-local Signaling (LLS)
  Cisco NSF helper support enabled
  IETF NSF helper support enabled
  Index 2/2, flood queue length 0
  Next 0x0(0)/0x0(0)
  Last flood scan length is 1, maximum is 5
  Last flood scan time is 0 msec, maximum is 4 msec
  Neighbor Count is 3, Adjacent neighbor count is 3 
    Adjacent with neighbor 1.1.4.4
    Adjacent with neighbor 1.1.5.5
    Adjacent with neighbor 1.1.7.7  (Backup Designated Router)
  Suppress hello for 0 neighbor(s)
Serial1/0 is up, line protocol is up 
  Internet Address 10.3.1.6/24, Area 3 
  Process ID 1, Router ID 1.1.6.6, Network Type POINT_TO_POINT, Cost: 64
  Transmit Delay is 1 sec, State POINT_TO_POINT
  Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5
    oob-resync timeout 40
    Hello due in 00:00:01
  Supports Link-local Signaling (LLS)
  Cisco NSF helper support enabled
  IETF NSF helper support enabled
  Index 1/3, flood queue length 0
  Next 0x0(0)/0x0(0)
  Last flood scan length is 12, maximum is 12
  Last flood scan time is 0 msec, maximum is 4 msec
  Neighbor Count is 1, Adjacent neighbor count is 1 
    Adjacent with neighbor 1.3.11.11
  Suppress hello for 0 neighbor(s)
R6 sh ip ospf int bri
Interface    PID   Area            IP Address/Mask    Cost  State Nbrs F/C
Lo0          1     0               1.1.6.6/24         1     LOOP  0/0
Fa0/0        1     0               10.0.4.6/24        1     DR    3/3
Se1/0        1     3               10.3.1.6/24        64    P2P   1/1
R6 sh ip route
Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP
       D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area 
       N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
       E1 - OSPF external type 1, E2 - OSPF external type 2
       i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2
       ia - IS-IS inter area, * - candidate default, U - per-user static route
       o - ODR, P - periodic downloaded static route

Gateway of last resort is not set

     1.0.0.0/8 is variably subnetted, 10 subnets, 2 masks
O IA    1.1.13.13/32 [110/131] via 10.0.4.7, 01:01:34, FastEthernet0/0
                     [110/131] via 10.0.4.5, 01:01:34, FastEthernet0/0
O IA    1.1.12.12/32 [110/67] via 10.0.4.7, 01:01:34, FastEthernet0/0
                     [110/67] via 10.0.4.5, 01:01:34, FastEthernet0/0
O IA    1.1.10.10/32 [110/141] via 10.0.4.5, 00:49:05, FastEthernet0/0
                     [110/141] via 10.0.4.4, 00:49:05, FastEthernet0/0
O IA    1.1.9.9/32 [110/131] via 10.0.4.5, 00:52:12, FastEthernet0/0
                   [110/131] via 10.0.4.4, 00:52:12, FastEthernet0/0
O       1.1.7.7/32 [110/2] via 10.0.4.7, 01:01:34, FastEthernet0/0
O       1.1.5.5/32 [110/2] via 10.0.4.5, 01:01:34, FastEthernet0/0
O       1.1.4.4/32 [110/2] via 10.0.4.4, 01:01:34, FastEthernet0/0
O       1.1.3.3/32 [110/66] via 10.0.4.5, 01:01:34, FastEthernet0/0
                   [110/66] via 10.0.4.4, 01:01:34, FastEthernet0/0
O       1.1.1.1/32 [110/130] via 10.0.4.5, 01:01:34, FastEthernet0/0
                   [110/130] via 10.0.4.4, 01:01:34, FastEthernet0/0
C       1.1.6.0/24 is directly connected, Loopback0
O E2 8.0.0.0/8 [110/20] via 10.0.4.7, 00:11:38, FastEthernet0/0
               [110/20] via 10.0.4.5, 00:11:38, FastEthernet0/0
     10.0.0.0/8 is variably subnetted, 19 subnets, 3 masks
O       10.3.2.11/32 [110/65] via 10.3.1.11, 01:01:34, Serial1/0
C       10.3.1.0/24 is directly connected, Serial1/0
O IA    10.1.3.0/24 [110/140] via 10.0.4.5, 00:52:12, FastEthernet0/0
                    [110/140] via 10.0.4.4, 00:52:12, FastEthernet0/0
O       10.3.0.0/16 is a summary, 01:01:34, Null0
O IA    10.2.1.0/24 [110/66] via 10.0.4.7, 01:01:34, FastEthernet0/0
                    [110/66] via 10.0.4.5, 01:01:34, FastEthernet0/0
O IA    10.1.2.0/24 [110/193] via 10.0.4.5, 01:01:34, FastEthernet0/0
                    [110/193] via 10.0.4.4, 01:01:34, FastEthernet0/0
O       10.3.3.0/24 [110/65] via 10.3.1.11, 01:01:34, Serial1/0
O IA    10.1.1.0/24 [110/130] via 10.0.4.5, 01:01:34, FastEthernet0/0
                    [110/130] via 10.0.4.4, 01:01:34, FastEthernet0/0
O       10.0.3.3/32 [110/65] via 10.0.4.5, 01:01:34, FastEthernet0/0
                    [110/65] via 10.0.4.4, 01:01:34, FastEthernet0/0
O IA    10.2.3.0/24 [110/130] via 10.0.4.7, 01:01:34, FastEthernet0/0
                    [110/130] via 10.0.4.5, 01:01:34, FastEthernet0/0
O       10.0.1.0/24 [110/129] via 10.0.4.5, 01:01:34, FastEthernet0/0
                    [110/129] via 10.0.4.4, 01:01:34, FastEthernet0/0
O       10.3.5.0/24 [110/65] via 10.3.1.11, 01:01:34, Serial1/0
O       10.0.6.0/24 [110/65] via 10.0.4.5, 01:01:34, FastEthernet0/0
                    [110/65] via 10.0.4.4, 01:01:34, FastEthernet0/0
O       10.0.3.5/32 [110/1] via 10.0.4.5, 01:01:34, FastEthernet0/0
O       10.3.4.0/24 [110/65] via 10.3.1.11, 01:01:34, Serial1/0
O       10.0.7.0/24 [110/65] via 10.0.4.7, 01:01:34, FastEthernet0/0
O       10.0.3.4/32 [110/1] via 10.0.4.4, 01:01:34, FastEthernet0/0
C       10.0.4.0/24 is directly connected, FastEthernet0/0
O       10.0.5.0/24 [110/65] via 10.0.4.5, 01:01:34, FastEthernet0/0
O E2 192.168.0.0/24 [110/20] via 10.0.4.5, 01:01:34, FastEthernet0/0
                    [110/20] via 10.0.4.4, 01:01:34, FastEthernet0/0
R7 R7 sh run
Building configuration...

Current configuration : 1758 bytes
!
upgrade fpd auto
version 12.4
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname R7
!
boot-start-marker
boot-end-marker
!
logging message-counter syslog
!
no aaa new-model
ip source-route
no ip icmp rate-limit unreachable
ip cef
!
!
!
!
no ip domain lookup
no ipv6 cef
!
multilink bundle-name authenticated
!
!
voice dsp waitstate 0
!
!
!
!
!
!
!
!
!
!
!
!
!
memory-size iomem 0
archive
 log config
  hidekeys
! 
!
!
!
!
ip tcp synwait-time 5
!
!
!
!
interface Loopback0
 ip address 1.1.7.7 255.255.255.0
!
interface FastEthernet0/0
 ip address 10.0.4.7 255.255.255.0
 duplex half
!
interface Serial1/0
 ip address 10.0.7.7 255.255.255.0
 serial restart-delay 0
!
interface Serial1/1
 no ip address
 shutdown
 serial restart-delay 0
!
interface Serial1/2
 no ip address
 shutdown
 serial restart-delay 0
!
interface Serial1/3
 no ip address
 shutdown
 serial restart-delay 0
!
interface Ethernet2/0
 no ip address
 shutdown
 duplex half
!
interface Ethernet2/1
 no ip address
 shutdown
 duplex half
!
interface Ethernet2/2
 no ip address
 shutdown
 duplex half
!
interface Ethernet2/3
 no ip address
 shutdown
 duplex half
!
router ospf 1
 router-id 1.1.7.7
 log-adjacency-changes
 network 1.1.7.0 0.0.0.255 area 0
 network 10.0.4.0 0.0.0.255 area 0
 network 10.0.7.0 0.0.0.255 area 0
!
ip forward-protocol nd
no ip http server
no ip http secure-server
!
!
!
logging alarm informational
no cdp log mismatch duplex
!
!
!
!
!
!
!
control-plane
!
!
!
mgcp fax t38 ecm
!
!
!
!
gatekeeper
 shutdown
!
!
line con 0
 exec-timeout 0 0
 privilege level 15
 logging synchronous
 stopbits 1
line aux 0
 exec-timeout 0 0
 privilege level 15
 logging synchronous
 stopbits 1
line vty 0 4
 login
!
end
R7 sh ip protocol
Routing Protocol is "ospf 1"
  Outgoing update filter list for all interfaces is not set
  Incoming update filter list for all interfaces is not set
  Router ID 1.1.7.7
  Number of areas in this router is 1. 1 normal 0 stub 0 nssa
  Maximum path: 4
  Routing for Networks:
    1.1.7.0 0.0.0.255 area 0
    10.0.4.0 0.0.0.255 area 0
    10.0.7.0 0.0.0.255 area 0
 Reference bandwidth unit is 100 mbps
  Routing Information Sources:
    Gateway         Distance      Last Update
    1.1.2.2              110      00:49:08
    1.1.1.1              110      01:07:31
    1.1.3.3              110      01:07:31
    1.1.13.13            110      01:27:38
    1.1.6.6              110      01:01:37
    1.1.4.4              110      01:23:13
    1.1.5.5              110      01:23:03
    10.0.7.8             110      00:11:41
  Distance: (default is 110)
R7 sh ip ospf neighbor
Neighbor ID     Pri   State           Dead Time   Address         Interface
10.0.7.8          0   FULL/  -        00:00:38    10.0.7.8        Serial1/0
1.1.4.4           1   FULL/DROTHER    00:00:38    10.0.4.4        FastEthernet0/0
1.1.5.5           1   FULL/DROTHER    00:00:38    10.0.4.5        FastEthernet0/0
1.1.6.6           1   FULL/DR         00:00:38    10.0.4.6        FastEthernet0/0
R7 sh ip ospf database
            OSPF Router with ID (1.1.7.7) (Process ID 1)

		Router Link States (Area 0)

Link ID         ADV Router      Age         Seq#       Checksum Link count
1.1.1.1         1.1.1.1         889         0x80000004 0x00B009 2
1.1.2.2         1.1.2.2         968         0x8000000A 0x00D1F2 1
1.1.3.3         1.1.3.3         158         0x80000006 0x00E8CF 5
1.1.4.4         1.1.4.4         935         0x8000000E 0x00C3B5 6
1.1.5.5         1.1.5.5         927         0x80000012 0x002B67 8
1.1.6.6         1.1.6.6         250         0x80000009 0x006A5C 2
1.1.7.7         1.1.7.7         1838        0x80000009 0x00E4FA 4
10.0.7.8        10.0.7.8        3           0x80000009 0x000557 4

		Net Link States (Area 0)

Link ID         ADV Router      Age         Seq#       Checksum
10.0.1.1        1.1.1.1         889         0x80000004 0x00E32D
10.0.4.6        1.1.6.6         4           0x80000008 0x008054

		Summary Net Link States (Area 0)

Link
R7 sh ip ospf int
Loopback0 is up, line protocol is up 
  Internet Address 1.1.7.7/24, Area 0 
  Process ID 1, Router ID 1.1.7.7, Network Type LOOPBACK, Cost: 1
  Loopback interface is treated as a stub Host
Serial1/0 is up, line protocol is up 
  Internet Address 10.0.7.7/24, Area 0 
  Process ID 1, Router ID 1.1.7.7, Network Type POINT_TO_POINT, Cost: 64
  Transmit Delay is 1 sec, State POINT_TO_POINT
  Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5
    oob-resync timeout 40
    Hello due in 00:00:08
  Supports Link-local Signaling (LLS)
  Cisco NSF helper support enabled
  IETF NSF helper support enabled
  Index 2/2, flood queue length 0
  Next 0x0(0)/0x0(0)
  Last flood scan length is 1, maximum is 4
  Last flood scan time is 0 msec, maximum is 4 msec
  Neighbor Count is 1, Adjacent neighbor count is 1 
    Adjacent with neighbor 10.0.7.8
  Suppress hello for 0 neighbor(s)
FastEthernet0/0 is up, line protocol is up 
  Internet Address 10.0.4.7/24, Area 0 
  Process ID 1, Router ID 1.1.7.7, Network Type BROADCAST, Cost: 1
  Transmit Delay is 1 sec, State BDR, Priority 1
  Designated Router (ID) 1.1.6.6, Interface address 10.0.4.6
  Backup Designated router (ID) 1.1.7.7, Interface address 10.0.4.7
  Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5
    oob-resync timeout 40
    Hello due in 00:00:01
  Supports Link-local Signaling (LLS)
  Cisco NSF helper support enabled
  IETF NSF helper support enabled
  Index 1/1, flood queue length 0
  Next 0x0(0)/0x0(0)
  Last flood scan length is 1, maximum is 4
  Last flood scan time is 0 msec, maximum is 4 msec
  Neighbor Count is 3, Adjacent neighbor count is 3 
    Adjacent with neighbor 1.1.4.4
    Adjacent with neighbor 1.1.5.5
    Adjacent with neighbor 1.1.6.6  (Designated Router)
  Suppress hello for 0 neighbor(s)
R7 sh ip ospf int bri
Interface    PID   Area            IP Address/Mask    Cost  State Nbrs F/C
Lo0          1     0               1.1.7.7/24         1     LOOP  0/0
Se1/0        1     0               10.0.7.7/24        64    P2P   1/1
Fa0/0        1     0               10.0.4.7/24        1     BDR   3/3
R7 sh ip route
Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP
       D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area 
       N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
       E1 - OSPF external type 1, E2 - OSPF external type 2
       i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2
       ia - IS-IS inter area, * - candidate default, U - per-user static route
       o - ODR, P - periodic downloaded static route

Gateway of last resort is not set

     1.0.0.0/8 is variably subnetted, 10 subnets, 2 masks
O IA    1.1.13.13/32 [110/130] via 10.0.7.8, 01:12:32, Serial1/0
O IA    1.1.12.12/32 [110/66] via 10.0.7.8, 01:12:50, Serial1/0
O IA    1.1.10.10/32 [110/141] via 10.0.4.5, 00:49:08, FastEthernet0/0
                     [110/141] via 10.0.4.4, 00:49:08, FastEthernet0/0
O IA    1.1.9.9/32 [110/131] via 10.0.4.5, 00:52:16, FastEthernet0/0
                   [110/131] via 10.0.4.4, 00:52:16, FastEthernet0/0
O       1.1.6.6/32 [110/2] via 10.0.4.6, 02:45:12, FastEthernet0/0
O       1.1.5.5/32 [110/2] via 10.0.4.5, 01:23:04, FastEthernet0/0
O       1.1.4.4/32 [110/2] via 10.0.4.4, 01:23:14, FastEthernet0/0
O       1.1.3.3/32 [110/66] via 10.0.4.5, 01:07:32, FastEthernet0/0
                   [110/66] via 10.0.4.4, 01:07:32, FastEthernet0/0
O       1.1.1.1/32 [110/130] via 10.0.4.5, 01:07:32, FastEthernet0/0
                   [110/130] via 10.0.4.4, 01:07:32, FastEthernet0/0
C       1.1.7.0/24 is directly connected, Loopback0
O E2 8.0.0.0/8 [110/20] via 10.0.7.8, 00:11:42, Serial1/0
     10.0.0.0/8 is variably subnetted, 14 subnets, 3 masks
O IA    10.1.3.0/24 [110/140] via 10.0.4.5, 00:52:16, FastEthernet0/0
                    [110/140] via 10.0.4.4, 00:52:16, FastEthernet0/0
O IA    10.3.0.0/16 [110/65] via 10.0.4.6, 01:01:38, FastEthernet0/0
O IA    10.2.1.0/24 [110/65] via 10.0.7.8, 02:43:20, Serial1/0
O IA    10.1.2.0/24 [110/193] via 10.0.4.5, 01:07:32, FastEthernet0/0
                    [110/193] via 10.0.4.4, 01:07:32, FastEthernet0/0
O IA    10.1.1.0/24 [110/130] via 10.0.4.5, 01:07:32, FastEthernet0/0
                    [110/130] via 10.0.4.4, 01:07:32, FastEthernet0/0
O       10.0.3.3/32 [110/65] via 10.0.4.5, 01:07:32, FastEthernet0/0
                    [110/65] via 10.0.4.4, 01:07:32, FastEthernet0/0
O IA    10.2.3.0/24 [110/129] via 10.0.7.8, 01:12:50, Serial1/0
O       10.0.1.0/24 [110/129] via 10.0.4.5, 01:07:32, FastEthernet0/0
                    [110/129] via 10.0.4.4, 01:07:32, FastEthernet0/0
O       10.0.6.0/24 [110/65] via 10.0.4.5, 01:23:04, FastEthernet0/0
                    [110/65] via 10.0.4.4, 01:23:14, FastEthernet0/0
O       10.0.3.5/32 [110/1] via 10.0.4.5, 01:23:04, FastEthernet0/0
C       10.0.7.0/24 is directly connected, Serial1/0
O       10.0.3.4/32 [110/1] via 10.0.4.4, 01:23:14, FastEthernet0/0
C       10.0.4.0/24 is directly connected, FastEthernet0/0
O       10.0.5.0/24 [110/65] via 10.0.4.5, 01:23:04, FastEthernet0/0
O E2 192.168.0.0/24 [110/20] via 10.0.4.5, 01:07:32, FastEthernet0/0
                    [110/20] via 10.0.4.4, 01:07:32, FastEthernet0/0
R8 R8 sh run
Building configuration...

Current configuration : 1737 bytes
!
upgrade fpd auto
version 12.4
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname R8
!
boot-start-marker
boot-end-marker
!
logging message-counter syslog
!
no aaa new-model
ip source-route
no ip icmp rate-limit unreachable
ip cef
!
!
!
!
no ip domain lookup
no ipv6 cef
!
multilink bundle-name authenticated
!
!
voice dsp waitstate 0
!
!
!
!
!
!
!
!
!
!
!
!
!
memory-size iomem 0
archive
 log config
  hidekeys
! 
!
!
!
!
ip tcp synwait-time 5
!
!
!
!
interface FastEthernet0/0
 ip address 10.2.1.8 255.255.255.0
 duplex half
!
interface Serial1/0
 ip address 10.0.7.8 255.255.255.0
 serial restart-delay 0
!
interface Serial1/1
 ip address 10.0.5.8 255.255.255.0
 serial restart-delay 0
!
interface Serial1/2
 no ip address
 shutdown
 serial restart-delay 0
!
interface Serial1/3
 no ip address
 shutdown
 serial restart-delay 0
!
interface Ethernet2/0
 no ip address
 shutdown
 duplex half
!
interface Ethernet2/1
 no ip address
 shutdown
 duplex half
!
interface Ethernet2/2
 no ip address
 shutdown
 duplex half
!
interface Ethernet2/3
 no ip address
 shutdown
 duplex half
!
router ospf 1
 log-adjacency-changes
 area 2 nssa default-information-originate
 network 10.0.5.0 0.0.0.255 area 0
 network 10.0.7.0 0.0.0.255 area 0
 network 10.2.1.0 0.0.0.255 area 2
!
ip forward-protocol nd
no ip http server
no ip http secure-server
!
!
!
logging alarm informational
no cdp log mismatch duplex
!
!
!
!
!
!
!
control-plane
!
!
!
mgcp fax t38 ecm
!
!
!
!
gatekeeper
 shutdown
!
!
line con 0
 exec-timeout 0 0
 privilege level 15
 logging synchronous
 stopbits 1
line aux 0
 exec-timeout 0 0
 privilege level 15
 logging synchronous
 stopbits 1
line vty 0 4
 login
!
end
R8 sh ip protocol
Routing Protocol is "ospf 1"
  Outgoing update filter list for all interfaces is not set
  Incoming update filter list for all interfaces is not set
  Router ID 10.0.7.8
  It is an area border and autonomous system boundary router
  Redistributing External Routes from,
  Number of areas in this router is 2. 1 normal 0 stub 1 nssa
  Maximum path: 4
  Routing for Networks:
    10.0.5.0 0.0.0.255 area 0
    10.0.7.0 0.0.0.255 area 0
    10.2.1.0 0.0.0.255 area 2
 Reference bandwidth unit is 100 mbps
  Routing Information Sources:
    Gateway         Distance      Last Update
    1.1.2.2              110      00:49:11
    1.1.1.1              110      01:07:34
    1.1.3.3              110      01:07:34
    1.1.13.13            110      00:11:46
    1.1.12.12            110      01:12:53
    1.1.6.6              110      01:01:41
    1.1.7.7              110      01:13:24
    1.1.4.4              110      01:13:24
    1.1.5.5              110      01:13:24
  Distance: (default is 110)
R8 sh ip ospf neighbor
Neighbor ID     Pri   State           Dead Time   Address         Interface
1.1.7.7           0   FULL/  -        00:00:36    10.0.7.7        Serial1/0
1.1.5.5           0   FULL/  -        00:00:36    10.0.5.5        Serial1/1
1.1.12.12         1   FULL/BDR        00:00:36    10.2.1.12       FastEthernet0/0
R8 sh ip ospf database
            OSPF Router with ID (10.0.7.8) (Process ID 1)

		Router Link States (Area 0)

Link ID         ADV Router      Age         Seq#       Checksum Link count
1.1.1.1         1.1.1.1         893         0x80000004 0x00B009 2
1.1.2.2         1.1.2.2         971         0x8000000A 0x00D1F2 1
1.1.3.3         1.1.3.3         162         0x80000006 0x00E8CF 5
1.1.4.4         1.1.4.4         940         0x8000000E 0x00C3B5 6
1.1.5.5         1.1.5.5         931         0x80000012 0x002B67 8
1.1.6.6         1.1.6.6         255         0x80000009 0x006A5C 2
1.1.7.7         1.1.7.7         1842        0x80000009 0x00E4FA 4
10.0.7.8        10.0.7.8        5           0x80000009 0x000557 4

		Net Link States (Area 0)

Link ID         ADV Router      Age         Seq#       Checksum
10.0.1.1        1.1.1.1         893         0x80000004 0x00E32D
10.0.4.6        1.1.6.6         9           0x80000008 0x008054

		Summary Net Link States (Area 0)

Lin
R8 sh ip ospf int
Serial1/0 is up, line protocol is up 
  Internet Address 10.0.7.8/24, Area 0 
  Process ID 1, Router ID 10.0.7.8, Network Type POINT_TO_POINT, Cost: 64
  Transmit Delay is 1 sec, State POINT_TO_POINT
  Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5
    oob-resync timeout 40
    Hello due in 00:00:08
  Supports Link-local Signaling (LLS)
  Cisco NSF helper support enabled
  IETF NSF helper support enabled
  Index 2/2, flood queue length 0
  Next 0x0(0)/0x0(0)
  Last flood scan length is 1, maximum is 5
  Last flood scan time is 0 msec, maximum is 4 msec
  Neighbor Count is 1, Adjacent neighbor count is 1 
    Adjacent with neighbor 1.1.7.7
  Suppress hello for 0 neighbor(s)
Serial1/1 is up, line protocol is up 
  Internet Address 10.0.5.8/24, Area 0 
  Process ID 1, Router ID 10.0.7.8, Network Type POINT_TO_POINT, Cost: 64
  Transmit Delay is 1 sec, State POINT_TO_POINT
  Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5
    oob-resync timeout 40
    Hello due in 00:00:06
  Supports Link-local Signaling (LLS)
  Cisco NSF helper support enabled
  IETF NSF helper support enabled
  Index 1/1, flood queue length 0
  Next 0x0(0)/0x0(0)
  Last flood scan length is 1, maximum is 5
  Last flood scan time is 0 msec, maximum is 4 msec
  Neighbor Count is 1, Adjacent neighbor count is 1 
    Adjacent with neighbor 1.1.5.5
  Suppress hello for 0 neighbor(s)
FastEthernet0/0 is up, line protocol is up 
  Internet Address 10.2.1.8/24, Area 2 
  Process ID 1, Router ID 10.0.7.8, Network Type BROADCAST, Cost: 1
  Transmit Delay is 1 sec, State DR, Priority 1
  Designated Router (ID) 10.0.7.8, Interface address 10.2.1.8
  Backup Designated router (ID) 1.1.12.12, Interface address 10.2.1.12
  Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5
    oob-resync timeout 40
    Hello due in 00:00:04
  Supports Link-local Signaling (LLS)
  Cisco NSF helper support enabled
  IETF NSF helper support enabled
  Index 1/3, flood queue length 0
  Next 0x0(0)/0x0(0)
  Last flood scan length is 10, maximum is 10
  Last flood scan time is 4 msec, maximum is 4 msec
  Neighbor Count is 1, Adjacent neighbor count is 1 
    Adjacent with neighbor 1.1.12.12  (Backup Designated Router)
  Suppress hello for 0 neighbor(s)
R8 sh ip ospf int bri
Interface    PID   Area            IP Address/Mask    Cost  State Nbrs F/C
Se1/0        1     0               10.0.7.8/24        64    P2P   1/1
Se1/1        1     0               10.0.5.8/24        64    P2P   1/1
Fa0/0        1     2               10.2.1.8/24        1     DR    1/1
R8 sh ip route
Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP
       D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area 
       N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
       E1 - OSPF external type 1, E2 - OSPF external type 2
       i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2
       ia - IS-IS inter area, * - candidate default, U - per-user static route
       o - ODR, P - periodic downloaded static route

Gateway of last resort is not set

     1.0.0.0/32 is subnetted, 10 subnets
O       1.1.13.13 [110/66] via 10.2.1.12, 01:12:36, FastEthernet0/0
O       1.1.12.12 [110/2] via 10.2.1.12, 01:12:54, FastEthernet0/0
O IA    1.1.10.10 [110/204] via 10.0.5.5, 00:49:12, Serial1/1
O IA    1.1.9.9 [110/194] via 10.0.5.5, 00:52:19, Serial1/1
O       1.1.7.7 [110/65] via 10.0.7.7, 01:13:25, Serial1/0
O       1.1.6.6 [110/66] via 10.0.7.7, 01:13:25, Serial1/0
                [110/66] via 10.0.5.5, 01:13:25, Serial1/1
O       1.1.5.5 [110/65] via 10.0.5.5, 01:13:25, Serial1/1
O       1.1.4.4 [110/66] via 10.0.7.7, 01:13:25, Serial1/0
                [110/66] via 10.0.5.5, 01:13:25, Serial1/1
O       1.1.3.3 [110/129] via 10.0.5.5, 01:07:35, Serial1/1
O       1.1.1.1 [110/193] via 10.0.5.5, 01:07:35, Serial1/1
O N2 8.0.0.0/8 [110/20] via 10.2.1.12, 00:11:47, FastEthernet0/0
     10.0.0.0/8 is variably subnetted, 14 subnets, 3 masks
O IA    10.1.3.0/24 [110/203] via 10.0.5.5, 00:52:19, Serial1/1
O IA    10.3.0.0/16 [110/129] via 10.0.7.7, 01:01:42, Serial1/0
                    [110/129] via 10.0.5.5, 01:01:42, Serial1/1
C       10.2.1.0/24 is directly connected, FastEthernet0/0
O IA    10.1.2.0/24 [110/256] via 10.0.5.5, 01:07:35, Serial1/1
O IA    10.1.1.0/24 [110/193] via 10.0.5.5, 01:07:35, Serial1/1
O       10.0.3.3/32 [110/128] via 10.0.5.5, 01:07:35, Serial1/1
O       10.2.3.0/24 [110/65] via 10.2.1.12, 01:12:54, FastEthernet0/0
O       10.0.1.0/24 [110/192] via 10.0.5.5, 01:07:35, Serial1/1
O       10.0.6.0/24 [110/128] via 10.0.5.5, 01:13:25, Serial1/1
O       10.0.3.5/32 [110/64] via 10.0.5.5, 01:13:25, Serial1/1
C       10.0.7.0/24 is directly connected, Serial1/0
O       10.0.3.4/32 [110/65] via 10.0.7.7, 01:13:25, Serial1/0
                    [110/65] via 10.0.5.5, 01:13:25, Serial1/1
O       10.0.4.0/24 [110/65] via 10.0.7.7, 01:13:25, Serial1/0
                    [110/65] via 10.0.5.5, 01:13:25, Serial1/1
C       10.0.5.0/24 is directly connected, Serial1/1
O E2 192.168.0.0/24 [110/20] via 10.0.5.5, 01:07:35, Serial1/1
R9 R9 sh run
Building configuration...

Current configuration : 1933 bytes
!
upgrade fpd auto
version 12.4
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname R9
!
boot-start-marker
boot-end-marker
!
logging message-counter syslog
!
no aaa new-model
ip source-route
no ip icmp rate-limit unreachable
ip cef
!
!
!
!
no ip domain lookup
no ipv6 cef
!
multilink bundle-name authenticated
!
!
voice dsp waitstate 0
!
!
!
!
!
!
!
!
!
!
!
!
!
memory-size iomem 0
archive
 log config
  hidekeys
! 
!
!
!
!
ip tcp synwait-time 5
!
!
!
!
interface Loopback0
 ip address 1.1.9.9 255.255.255.0
!
interface FastEthernet0/0
 ip address 10.1.1.9 255.255.255.0
 ip ospf authentication
 ip ospf authentication-key asd123
 duplex half
!
interface Serial1/0
 no ip address
 shutdown
 serial restart-delay 0
!
interface Serial1/1
 no ip address
 shutdown
 serial restart-delay 0
!
interface Serial1/2
 no ip address
 shutdown
 serial restart-delay 0
!
interface Serial1/3
 no ip address
 shutdown
 serial restart-delay 0
!
interface Ethernet2/0
 ip address 10.1.3.9 255.255.255.0
 ip ospf authentication message-digest
 ip ospf message-digest-key 1 md5 asd123
 duplex half
!
interface Ethernet2/1
 no ip address
 shutdown
 duplex half
!
interface Ethernet2/2
 no ip address
 shutdown
 duplex half
!
interface Ethernet2/3
 no ip address
 shutdown
 duplex half
!
router ospf 1
 router-id 1.1.9.9
 log-adjacency-changes
 area 1 authentication
 area 1 stub
 network 1.1.9.0 0.0.0.255 area 1
 network 10.1.1.0 0.0.0.255 area 1
 network 10.1.3.0 0.0.0.255 area 1
!
ip forward-protocol nd
no ip http server
no ip http secure-server
!
!
!
logging alarm informational
no cdp log mismatch duplex
!
!
!
!
!
!
!
control-plane
!
!
!
mgcp fax t38 ecm
!
!
!
!
gatekeeper
 shutdown
!
!
line con 0
 exec-timeout 0 0
 privilege level 15
 logging synchronous
 stopbits 1
line aux 0
 exec-timeout 0 0
 privilege level 15
 logging synchronous
 stopbits 1
line vty 0 4
 login
!
end
R9 sh ip protocol
Routing Protocol is "ospf 1"
  Outgoing update filter list for all interfaces is not set
  Incoming update filter list for all interfaces is not set
  Router ID 1.1.9.9
  Number of areas in this router is 1. 0 normal 1 stub 0 nssa
  Maximum path: 4
  Routing for Networks:
    1.1.9.0 0.0.0.255 area 1
    10.1.1.0 0.0.0.255 area 1
    10.1.3.0 0.0.0.255 area 1
 Reference bandwidth unit is 100 mbps
  Routing Information Sources:
    Gateway         Distance      Last Update
    1.1.10.10            110      00:49:15
    1.1.1.1              110      01:21:39
    1.1.2.2              110      00:52:22
  Distance: (default is 110)
R9 sh ip ospf neighbor
Neighbor ID     Pri   State           Dead Time   Address         Interface
1.1.10.10         1   FULL/DR         00:00:37    10.1.3.10       Ethernet2/0
1.1.2.2           1   FULL/BDR        00:00:38    10.1.1.2        FastEthernet0/0
R9 sh ip ospf database
            OSPF Router with ID (1.1.9.9) (Process ID 1)

		Router Link States (Area 1)

Link ID         ADV Router      Age         Seq#       Checksum Link count
1.1.2.2         1.1.2.2         724         0x80000013 0x00879A 3
1.1.9.9         1.1.9.9         665         0x80000010 0x004026 3
1.1.10.10       1.1.10.10       783         0x8000000D 0x00E0F2 4

		Net Link States (Area 1)

Link ID         ADV Router      Age         Seq#       Checksum
10.1.1.9        1.1.9.9         1157        0x80000006 0x0041B2
10.1.3.10       1.1.10.10       1023        0x80000002 0x00ECF5

		Summary Net Link States (Area 1)

Link ID         ADV Router      Age         Seq#       Checksum
0.0.0.0         1.1.2.2         724         0x80000004 0x0080B4
R9 sh ip ospf int
Loopback0 is up, line protocol is up 
  Internet Address 1.1.9.9/24, Area 1 
  Process ID 1, Router ID 1.1.9.9, Network Type LOOPBACK, Cost: 1
  Loopback interface is treated as a stub Host
Ethernet2/0 is up, line protocol is up 
  Internet Address 10.1.3.9/24, Area 1 
  Process ID 1, Router ID 1.1.9.9, Network Type BROADCAST, Cost: 10
  Transmit Delay is 1 sec, State BDR, Priority 1
  Designated Router (ID) 1.1.10.10, Interface address 10.1.3.10
  Backup Designated router (ID) 1.1.9.9, Interface address 10.1.3.9
  Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5
    oob-resync timeout 40
    Hello due in 00:00:00
  Supports Link-local Signaling (LLS)
  Cisco NSF helper support enabled
  IETF NSF helper support enabled
  Index 2/2, flood queue length 0
  Next 0x0(0)/0x0(0)
  Last flood scan length is 1, maximum is 7
  Last flood scan time is 0 msec, maximum is 4 msec
  Neighbor Count is 1, Adjacent neighbor count is 1 
    Adjacent with neighbor 1.1.10.10  (Designated Router)
  Suppress hello for 0 neighbor(s)
  Message digest authentication enabled
    Youngest key id is 1
FastEthernet0/0 is up, line protocol is up 
  Internet Address 10.1.1.9/24, Area 1 
  Process ID 1, Router ID 1.1.9.9, Network Type BROADCAST, Cost: 1
  Transmit Delay is 1 sec, State DR, Priority 1
  Designated Router (ID) 1.1.9.9, Interface address 10.1.1.9
  Backup Designated router (ID) 1.1.2.2, Interface address 10.1.1.2
  Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5
    oob-resync timeout 40
    Hello due in 00:00:09
  Supports Link-local Signaling (LLS)
  Cisco NSF helper support enabled
  IETF NSF helper support enabled
  Index 1/1, flood queue length 0
  Next 0x0(0)/0x0(0)
  Last flood scan length is 1, maximum is 7
  Last flood scan time is 0 msec, maximum is 4 msec
  Neighbor Count is 1, Adjacent neighbor count is 1 
    Adjacent with neighbor 1.1.2.2  (Backup Designated Router)
  Suppress hello for 0 neighbor(s)
  Simple password authentication enabled
R9 sh ip ospf int bri
Interface    PID   Area            IP Address/Mask    Cost  State Nbrs F/C
Lo0          1     1               1.1.9.9/24         1     LOOP  0/0
Et2/0        1     1               10.1.3.9/24        10    BDR   1/1
Fa0/0        1     1               10.1.1.9/24        1     DR    1/1
R9 sh ip route
Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP
       D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area 
       N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
       E1 - OSPF external type 1, E2 - OSPF external type 2
       i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2
       ia - IS-IS inter area, * - candidate default, U - per-user static route
       o - ODR, P - periodic downloaded static route

Gateway of last resort is 10.1.1.2 to network 0.0.0.0

     1.0.0.0/8 is variably subnetted, 2 subnets, 2 masks
O       1.1.10.10/32 [110/11] via 10.1.3.10, 00:49:16, Ethernet2/0
C       1.1.9.0/24 is directly connected, Loopback0
     10.0.0.0/24 is subnetted, 3 subnets
C       10.1.3.0 is directly connected, Ethernet2/0
O       10.1.2.0 [110/65] via 10.1.1.2, 00:52:23, FastEthernet0/0
C       10.1.1.0 is directly connected, FastEthernet0/0
O*IA 0.0.0.0/0 [110/2] via 10.1.1.2, 00:52:23, FastEthernet0/0
R10 R10 sh run
Building configuration...

Current configuration : 1859 bytes
!
upgrade fpd auto
version 12.4
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname R10
!
boot-start-marker
boot-end-marker
!
logging message-counter syslog
!
no aaa new-model
ip source-route
no ip icmp rate-limit unreachable
ip cef
!
!
!
!
no ip domain lookup
no ipv6 cef
!
multilink bundle-name authenticated
!
!
voice dsp waitstate 0
!
!
!
!
!
!
!
!
!
!
!
!
!
memory-size iomem 0
archive
 log config
  hidekeys
! 
!
!
!
!
ip tcp synwait-time 5
!
!
!
!
interface Loopback0
 ip address 1.1.10.10 255.255.255.0
!
interface FastEthernet0/0
 no ip address
 shutdown
 duplex half
!
interface Serial1/0
 no ip address
 shutdown
 serial restart-delay 0
!
interface Serial1/1
 ip address 10.1.2.10 255.255.255.0
 serial restart-delay 0
!
interface Serial1/2
 no ip address
 shutdown
 serial restart-delay 0
!
interface Serial1/3
 no ip address
 shutdown
 serial restart-delay 0
!
interface Ethernet2/0
 ip address 10.1.3.10 255.255.255.0
 ip ospf authentication message-digest
 ip ospf message-digest-key 1 md5 asd123
 duplex half
!
interface Ethernet2/1
 no ip address
 shutdown
 duplex half
!
interface Ethernet2/2
 no ip address
 shutdown
 duplex half
!
interface Ethernet2/3
 no ip address
 shutdown
 duplex half
!
router ospf 1
 router-id 1.1.10.10
 log-adjacency-changes
 area 1 stub
 network 1.1.10.0 0.0.0.255 area 1
 network 10.1.2.0 0.0.0.255 area 1
 network 10.1.3.0 0.0.0.255 area 1
!
ip forward-protocol nd
no ip http server
no ip http secure-server
!
!
!
logging alarm informational
no cdp log mismatch duplex
!
!
!
!
!
!
!
control-plane
!
!
!
mgcp fax t38 ecm
!
!
!
!
gatekeeper
 shutdown
!
!
line con 0
 exec-timeout 0 0
 privilege level 15
 logging synchronous
 stopbits 1
line aux 0
 exec-timeout 0 0
 privilege level 15
 logging synchronous
 stopbits 1
line vty 0 4
 login
!
end
R10 sh ip protocol
Routing Protocol is "ospf 1"
  Outgoing update filter list for all interfaces is not set
  Incoming update filter list for all interfaces is not set
  Router ID 1.1.10.10
  Number of areas in this router is 1. 0 normal 1 stub 0 nssa
  Maximum path: 4
  Routing for Networks:
    1.1.10.0 0.0.0.255 area 1
    10.1.2.0 0.0.0.255 area 1
    10.1.3.0 0.0.0.255 area 1
 Reference bandwidth unit is 100 mbps
  Routing Information Sources:
    Gateway         Distance      Last Update
    1.1.1.1              110      01:21:42
    1.1.2.2              110      00:49:18
    1.1.9.9              110      00:49:18
  Distance: (default is 110)
R10 sh ip ospf neighbor
Neighbor ID     Pri   State           Dead Time   Address         Interface
1.1.2.2           0   FULL/  -        00:00:39    10.1.2.2        Serial1/1
1.1.9.9           1   FULL/BDR        00:00:38    10.1.3.9        Ethernet2/0
R10 sh ip ospf database
            OSPF Router with ID (1.1.10.10) (Process ID 1)

		Router Link States (Area 1)

Link ID         ADV Router      Age         Seq#       Checksum Link count
1.1.2.2         1.1.2.2         727         0x80000013 0x00879A 3
1.1.9.9         1.1.9.9         669         0x80000010 0x004026 3
1.1.10.10       1.1.10.10       785         0x8000000D 0x00E0F2 4

		Net Link States (Area 1)

Link ID         ADV Router      Age         Seq#       Checksum
10.1.1.9        1.1.9.9         1161        0x80000006 0x0041B2
10.1.3.10       1.1.10.10       1025        0x80000002 0x00ECF5

		Summary Net Link States (Area 1)

Link ID         ADV Router      Age         Seq#       Checksum
0.0.0.0         1.1.2.2         727         0x80000004 0x0080B4
R10 sh ip ospf int
Loopback0 is up, line protocol is up 
  Internet Address 1.1.10.10/24, Area 1 
  Process ID 1, Router ID 1.1.10.10, Network Type LOOPBACK, Cost: 1
  Loopback interface is treated as a stub Host
Serial1/1 is up, line protocol is up 
  Internet Address 10.1.2.10/24, Area 1 
  Process ID 1, Router ID 1.1.10.10, Network Type POINT_TO_POINT, Cost: 64
  Transmit Delay is 1 sec, State POINT_TO_POINT
  Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5
    oob-resync timeout 40
    Hello due in 00:00:00
  Supports Link-local Signaling (LLS)
  Cisco NSF helper support enabled
  IETF NSF helper support enabled
  Index 2/2, flood queue length 0
  Next 0x0(0)/0x0(0)
  Last flood scan length is 1, maximum is 1
  Last flood scan time is 0 msec, maximum is 4 msec
  Neighbor Count is 1, Adjacent neighbor count is 1 
    Adjacent with neighbor 1.1.2.2
  Suppress hello for 0 neighbor(s)
Ethernet2/0 is up, line protocol is up 
  Internet Address 10.1.3.10/24, Area 1 
  Process ID 1, Router ID 1.1.10.10, Network Type BROADCAST, Cost: 10
  Transmit Delay is 1 sec, State DR, Priority 1
  Designated Router (ID) 1.1.10.10, Interface address 10.1.3.10
  Backup Designated router (ID) 1.1.9.9, Interface address 10.1.3.9
  Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5
    oob-resync timeout 40
    Hello due in 00:00:03
  Supports Link-local Signaling (LLS)
  Cisco NSF helper support enabled
  IETF NSF helper support enabled
  Index 1/1, flood queue length 0
  Next 0x0(0)/0x0(0)
  Last flood scan length is 0, maximum is 4
  Last flood scan time is 0 msec, maximum is 4 msec
  Neighbor Count is 1, Adjacent neighbor count is 1 
    Adjacent with neighbor 1.1.9.9  (Backup Designated Router)
  Suppress hello for 0 neighbor(s)
  Message digest authentication enabled
    Youngest key id is 1
R10 sh ip ospf int bri
Interface    PID   Area            IP Address/Mask    Cost  State Nbrs F/C
Lo0          1     1               1.1.10.10/24       1     LOOP  0/0
Se1/1        1     1               10.1.2.10/24       64    P2P   1/1
Et2/0        1     1               10.1.3.10/24       10    DR    1/1
R10 sh ip route
Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP
       D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area 
       N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
       E1 - OSPF external type 1, E2 - OSPF external type 2
       i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2
       ia - IS-IS inter area, * - candidate default, U - per-user static route
       o - ODR, P - periodic downloaded static route

Gateway of last resort is 10.1.3.9 to network 0.0.0.0

     1.0.0.0/8 is variably subnetted, 2 subnets, 2 masks
O       1.1.9.9/32 [110/11] via 10.1.3.9, 00:49:19, Ethernet2/0
C       1.1.10.0/24 is directly connected, Loopback0
     10.0.0.0/24 is subnetted, 3 subnets
C       10.1.3.0 is directly connected, Ethernet2/0
C       10.1.2.0 is directly connected, Serial1/1
O       10.1.1.0 [110/11] via 10.1.3.9, 00:49:19, Ethernet2/0
O*IA 0.0.0.0/0 [110/12] via 10.1.3.9, 00:49:19, Ethernet2/0
R11 R11 sh run
Building configuration...

Current configuration : 1963 bytes
!
upgrade fpd auto
version 12.4
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname R11
!
boot-start-marker
boot-end-marker
!
logging message-counter syslog
!
no aaa new-model
ip source-route
no ip icmp rate-limit unreachable
ip cef
!
!
!
!
no ip domain lookup
no ipv6 cef
!
multilink bundle-name authenticated
!
!
voice dsp waitstate 0
!
!
!
!
!
!
!
!
!
!
!
!
!
memory-size iomem 0
archive
 log config
  hidekeys
! 
!
!
!
!
ip tcp synwait-time 5
!
!
!
!
interface Loopback1
 ip address 10.3.3.11 255.255.255.0 secondary
 ip address 10.3.4.11 255.255.255.0 secondary
 ip address 10.3.5.11 255.255.255.0 secondary
 ip address 10.3.2.11 255.255.255.0
!
interface FastEthernet0/0
 no ip address
 shutdown
 duplex half
!
interface Serial1/0
 ip address 10.3.1.11 255.255.255.0
 serial restart-delay 0
!
interface Serial1/1
 no ip address
 shutdown
 serial restart-delay 0
!
interface Serial1/2
 no ip address
 shutdown
 serial restart-delay 0
!
interface Serial1/3
 no ip address
 shutdown
 serial restart-delay 0
!
interface Ethernet2/0
 no ip address
 shutdown
 duplex half
!
interface Ethernet2/1
 no ip address
 shutdown
 duplex half
!
interface Ethernet2/2
 no ip address
 shutdown
 duplex half
!
interface Ethernet2/3
 no ip address
 shutdown
 duplex half
!
router ospf 1
 router-id 1.3.11.11
 log-adjacency-changes
 network 10.3.1.0 0.0.0.255 area 3
 network 10.3.2.0 0.0.0.255 area 3
 network 10.3.3.0 0.0.0.255 area 3
 network 10.3.4.0 0.0.0.255 area 3
 network 10.3.5.0 0.0.0.255 area 3
!
ip forward-protocol nd
no ip http server
no ip http secure-server
!
!
!
logging alarm informational
no cdp log mismatch duplex
!
!
!
!
!
!
!
control-plane
!
!
!
mgcp fax t38 ecm
!
!
!
!
gatekeeper
 shutdown
!
!
line con 0
 exec-timeout 0 0
 privilege level 15
 logging synchronous
 stopbits 1
line aux 0
 exec-timeout 0 0
 privilege level 15
 logging synchronous
 stopbits 1
line vty 0 4
 login
!
end
R11 sh ip protocol
Routing Protocol is "ospf 1"
  Outgoing update filter list for all interfaces is not set
  Incoming update filter list for all interfaces is not set
  Router ID 1.3.11.11
  Number of areas in this router is 1. 1 normal 0 stub 0 nssa
  Maximum path: 4
  Routing for Networks:
    10.3.1.0 0.0.0.255 area 3
    10.3.2.0 0.0.0.255 area 3
    10.3.3.0 0.0.0.255 area 3
    10.3.4.0 0.0.0.255 area 3
    10.3.5.0 0.0.0.255 area 3
 Reference bandwidth unit is 100 mbps
  Routing Information Sources:
    Gateway         Distance      Last Update
    1.1.1.1              110      01:07:40
    1.1.13.13            110      01:27:52
    1.1.6.6              110      00:49:22
    10.0.7.8             110      00:11:55
  Distance: (default is 110)
R11 sh ip ospf neighbor
Neighbor ID     Pri   State           Dead Time   Address         Interface
1.1.6.6           0   FULL/  -        00:00:32    10.3.1.6        Serial1/0
R11 sh ip ospf database
            OSPF Router with ID (1.3.11.11) (Process ID 1)

		Router Link States (Area 3)

Link ID         ADV Router      Age         Seq#       Checksum Link count
1.1.6.6         1.1.6.6         18          0x80000008 0x00390B 2
1.3.11.11       1.3.11.11       1996        0x80000007 0x00F0B2 6

		Summary Net Link States (Area 3)

Link ID         ADV Router      Age         Seq#       Checksum
1.1.1.1         1.1.6.6         264         0x80000003 0x001195
1.1.3.3         1.1.6.6         264         0x80000003 0x00647E
1.1.4.4         1.1.6.6         1029        0x80000003 0x00CC54
1.1.5.5         1.1.6.6         1029        0x80000003 0x00B767
1.1.6.6         1.1.6.6         264         0x80000004 0x009686
1.1.7.7         1.1.6.6         264         0x80000004 0x008B8E
1.1.9.9         1.1.6.6         1271        0x80000002 0x007422
1.1.10.10       1.1.6.6         1029        0x80000004 0x00BFC8
1.1.12.12       1.1.6.6         514         0x
R11 sh ip ospf int
Loopback1 is up, line protocol is up 
  Internet Address 10.3.2.11/24, Area 3 
  Process ID 1, Router ID 1.3.11.11, Network Type LOOPBACK, Cost: 1
  Loopback interface is treated as a stub Host
Serial1/0 is up, line protocol is up 
  Internet Address 10.3.1.11/24, Area 3 
  Process ID 1, Router ID 1.3.11.11, Network Type POINT_TO_POINT, Cost: 64
  Transmit Delay is 1 sec, State POINT_TO_POINT
  Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5
    oob-resync timeout 40
    Hello due in 00:00:07
  Supports Link-local Signaling (LLS)
  Cisco NSF helper support enabled
  IETF NSF helper support enabled
  Index 2/2, flood queue length 0
  Next 0x0(0)/0x0(0)
  Last flood scan length is 1, maximum is 1
  Last flood scan time is 0 msec, maximum is 4 msec
  Neighbor Count is 1, Adjacent neighbor count is 1 
    Adjacent with neighbor 1.1.6.6
  Suppress hello for 0 neighbor(s)
R11 sh ip ospf int bri
Interface    PID   Area            IP Address/Mask    Cost  State Nbrs F/C
Lo1          1     3               10.3.2.11/24       1     LOOP  0/0
Se1/0        1     3               10.3.1.11/24       64    P2P   1/1
R11 sh ip route
Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP
       D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area 
       N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
       E1 - OSPF external type 1, E2 - OSPF external type 2
       i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2
       ia - IS-IS inter area, * - candidate default, U - per-user static route
       o - ODR, P - periodic downloaded static route

Gateway of last resort is not set

     1.0.0.0/32 is subnetted, 10 subnets
O IA    1.1.13.13 [110/195] via 10.3.1.6, 01:12:46, Serial1/0
O IA    1.1.12.12 [110/131] via 10.3.1.6, 01:13:04, Serial1/0
O IA    1.1.10.10 [110/205] via 10.3.1.6, 00:49:22, Serial1/0
O IA    1.1.9.9 [110/195] via 10.3.1.6, 00:52:30, Serial1/0
O IA    1.1.7.7 [110/66] via 10.3.1.6, 01:39:02, Serial1/0
O IA    1.1.6.6 [110/65] via 10.3.1.6, 01:39:02, Serial1/0
O IA    1.1.5.5 [110/66] via 10.3.1.6, 01:23:18, Serial1/0
O IA    1.1.4.4 [110/66] via 10.3.1.6, 01:23:28, Serial1/0
O IA    1.1.3.3 [110/130] via 10.3.1.6, 01:07:46, Serial1/0
O IA    1.1.1.1 [110/194] via 10.3.1.6, 01:07:46, Serial1/0
O E2 8.0.0.0/8 [110/20] via 10.3.1.6, 00:11:56, Serial1/0
     10.0.0.0/8 is variably subnetted, 18 subnets, 2 masks
C       10.3.1.0/24 is directly connected, Serial1/0
O IA    10.1.3.0/24 [110/204] via 10.3.1.6, 00:52:30, Serial1/0
O IA    10.2.1.0/24 [110/130] via 10.3.1.6, 01:39:02, Serial1/0
O IA    10.1.2.0/24 [110/257] via 10.3.1.6, 01:07:46, Serial1/0
C       10.3.3.0/24 is directly connected, Loopback1
O IA    10.1.1.0/24 [110/194] via 10.3.1.6, 01:07:46, Serial1/0
O IA    10.0.3.3/32 [110/129] via 10.3.1.6, 01:07:46, Serial1/0
C       10.3.2.0/24 is directly connected, Loopback1
O IA    10.2.3.0/24 [110/194] via 10.3.1.6, 01:13:04, Serial1/0
O IA    10.0.1.0/24 [110/193] via 10.3.1.6, 01:07:46, Serial1/0
C       10.3.5.0/24 is directly connected, Loopback1
O IA    10.0.6.0/24 [110/129] via 10.3.1.6, 01:39:02, Serial1/0
O IA    10.0.3.5/32 [110/65] via 10.3.1.6, 01:23:18, Serial1/0
C       10.3.4.0/24 is directly connected, Loopback1
O IA    10.0.7.0/24 [110/129] via 10.3.1.6, 01:39:02, Serial1/0
O IA    10.0.3.4/32 [110/65] via 10.3.1.6, 01:23:28, Serial1/0
O IA    10.0.4.0/24 [110/65] via 10.3.1.6, 01:39:02, Serial1/0
O IA    10.0.5.0/24 [110/129] via 10.3.1.6, 01:23:18, Serial1/0
O E2 192.168.0.0/24 [110/20] via 10.3.1.6, 01:07:41, Serial1/0
R12 R12 sh run
Building configuration...

Current configuration : 1779 bytes
!
upgrade fpd auto
version 12.4
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname R12
!
boot-start-marker
boot-end-marker
!
logging message-counter syslog
!
no aaa new-model
ip source-route
no ip icmp rate-limit unreachable
ip cef
!
!
!
!
no ip domain lookup
no ipv6 cef
!
multilink bundle-name authenticated
!
!
voice dsp waitstate 0
!
!
!
!
!
!
!
!
!
!
!
!
!
memory-size iomem 0
archive
 log config
  hidekeys
! 
!
!
!
!
ip tcp synwait-time 5
!
!
!
!
interface Loopback0
 ip address 1.1.12.12 255.255.255.0
!
interface FastEthernet0/0
 ip address 10.2.1.12 255.255.255.0
 duplex half
!
interface Serial1/0
 no ip address
 shutdown
 serial restart-delay 0
!
interface Serial1/1
 no ip address
 shutdown
 serial restart-delay 0
!
interface Serial1/2
 no ip address
 shutdown
 serial restart-delay 0
!
interface Serial1/3
 ip address 10.2.3.12 255.255.255.0
 serial restart-delay 0
!
interface Ethernet2/0
 no ip address
 shutdown
 duplex half
!
interface Ethernet2/1
 no ip address
 shutdown
 duplex half
!
interface Ethernet2/2
 no ip address
 shutdown
 duplex half
!
interface Ethernet2/3
 no ip address
 shutdown
 duplex half
!
router ospf 1
 router-id 1.1.12.12
 log-adjacency-changes
 area 2 nssa
 network 1.1.12.0 0.0.0.255 area 2
 network 10.2.1.0 0.0.0.255 area 2
 network 10.2.3.0 0.0.0.255 area 2
!
ip forward-protocol nd
no ip http server
no ip http secure-server
!
!
!
logging alarm informational
no cdp log mismatch duplex
!
!
!
!
!
!
!
control-plane
!
!
!
mgcp fax t38 ecm
!
!
!
!
gatekeeper
 shutdown
!
!
line con 0
 exec-timeout 0 0
 privilege level 15
 logging synchronous
 stopbits 1
line aux 0
 exec-timeout 0 0
 privilege level 15
 logging synchronous
 stopbits 1
line vty 0 4
 login
!
end
R12 sh ip protocol
Routing Protocol is "ospf 1"
  Outgoing update filter list for all interfaces is not set
  Incoming update filter list for all interfaces is not set
  Router ID 1.1.12.12
  Number of areas in this router is 1. 0 normal 0 stub 1 nssa
  Maximum path: 4
  Routing for Networks:
    1.1.12.0 0.0.0.255 area 2
    10.2.1.0 0.0.0.255 area 2
    10.2.3.0 0.0.0.255 area 2
 Reference bandwidth unit is 100 mbps
  Routing Information Sources:
    Gateway         Distance      Last Update
    1.1.13.13            110      00:12:09
    10.0.7.8             110      00:49:34
  Distance: (default is 110)
R12 sh ip ospf neighbor
Neighbor ID     Pri   State           Dead Time   Address         Interface
1.1.13.13         0   FULL/  -        00:00:35    10.2.3.13       Serial1/3
10.0.7.8          1   FULL/DR         00:00:31    10.2.1.8        FastEthernet0/0
R12 sh ip ospf database
            OSPF Router with ID (1.1.12.12) (Process ID 1)

		Router Link States (Area 2)

Link ID         ADV Router      Age         Seq#       Checksum Link count
1.1.12.12       1.1.12.12       546         0x8000000A 0x009120 4
1.1.13.13       1.1.13.13       739         0x80000008 0x005694 3
10.0.7.8        10.0.7.8        532         0x80000009 0x006263 1

		Net Link States (Area 2)

Link ID         ADV Router      Age         Seq#       Checksum
10.2.1.8        10.0.7.8        532         0x80000005 0x00BD11

		Summary Net Link States (Area 2)

Link ID         ADV Router      Age         Seq#       Checksum
1.1.1.1         10.0.7.8        29          0x80000003 0x00D283
1.1.3.3         10.0.7.8        29          0x80000003 0x00266C
1.1.4.4         10.0.7.8        532         0x80000004 0x009638
1.1.5.5         10.0.7.8        532         0x80000004 0x007756
1.1.6.6         10.0.7.8        29          0x80000007 0x006661
1.1.7.7     
R12 sh ip ospf int
Loopback0 is up, line protocol is up 
  Internet Address 1.1.12.12/24, Area 2 
  Process ID 1, Router ID 1.1.12.12, Network Type LOOPBACK, Cost: 1
  Loopback interface is treated as a stub Host
Serial1/3 is up, line protocol is up 
  Internet Address 10.2.3.12/24, Area 2 
  Process ID 1, Router ID 1.1.12.12, Network Type POINT_TO_POINT, Cost: 64
  Transmit Delay is 1 sec, State POINT_TO_POINT
  Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5
    oob-resync timeout 40
    Hello due in 00:00:04
  Supports Link-local Signaling (LLS)
  Cisco NSF helper support enabled
  IETF NSF helper support enabled
  Index 2/2, flood queue length 0
  Next 0x0(0)/0x0(0)
  Last flood scan length is 9, maximum is 10
  Last flood scan time is 0 msec, maximum is 4 msec
  Neighbor Count is 1, Adjacent neighbor count is 1 
    Adjacent with neighbor 1.1.13.13
  Suppress hello for 0 neighbor(s)
FastEthernet0/0 is up, line protocol is up 
  Internet Address 10.2.1.12/24, Area 2 
  Process ID 1, Router ID 1.1.12.12, Network Type BROADCAST, Cost: 1
  Transmit Delay is 1 sec, State BDR, Priority 1
  Designated Router (ID) 10.0.7.8, Interface address 10.2.1.8
  Backup Designated router (ID) 1.1.12.12, Interface address 10.2.1.12
  Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5
    oob-resync timeout 40
    Hello due in 00:00:06
  Supports Link-local Signaling (LLS)
  Cisco NSF helper support enabled
  IETF NSF helper support enabled
  Index 1/1, flood queue length 0
  Next 0x0(0)/0x0(0)
  Last flood scan length is 1, maximum is 5
  Last flood scan time is 0 msec, maximum is 4 msec
  Neighbor Count is 1, Adjacent neighbor count is 1 
    Adjacent with neighbor 10.0.7.8  (Designated Router)
  Suppress hello for 0 neighbor(s)
R12 sh ip ospf int bri
Interface    PID   Area            IP Address/Mask    Cost  State Nbrs F/C
Lo0          1     2               1.1.12.12/24       1     LOOP  0/0
Se1/3        1     2               10.2.3.12/24       64    P2P   1/1
Fa0/0        1     2               10.2.1.12/24       1     BDR   1/1
R12 sh ip route
Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP
       D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area 
       N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
       E1 - OSPF external type 1, E2 - OSPF external type 2
       i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2
       ia - IS-IS inter area, * - candidate default, U - per-user static route
       o - ODR, P - periodic downloaded static route

Gateway of last resort is 10.2.1.8 to network 0.0.0.0

     1.0.0.0/8 is variably subnetted, 10 subnets, 2 masks
O       1.1.13.13/32 [110/65] via 10.2.3.13, 01:13:00, Serial1/3
O IA    1.1.10.10/32 [110/205] via 10.2.1.8, 00:49:35, FastEthernet0/0
O IA    1.1.9.9/32 [110/195] via 10.2.1.8, 00:52:42, FastEthernet0/0
O IA    1.1.7.7/32 [110/66] via 10.2.1.8, 01:13:10, FastEthernet0/0
O IA    1.1.6.6/32 [110/67] via 10.2.1.8, 01:13:10, FastEthernet0/0
O IA    1.1.5.5/32 [110/66] via 10.2.1.8, 01:13:10, FastEthernet0/0
O IA    1.1.4.4/32 [110/67] via 10.2.1.8, 01:13:10, FastEthernet0/0
O IA    1.1.3.3/32 [110/130] via 10.2.1.8, 01:07:58, FastEthernet0/0
O IA    1.1.1.1/32 [110/194] via 10.2.1.8, 01:07:58, FastEthernet0/0
C       1.1.12.0/24 is directly connected, Loopback0
O N2 8.0.0.0/8 [110/20] via 10.2.3.13, 00:12:10, Serial1/3
     10.0.0.0/8 is variably subnetted, 14 subnets, 3 masks
O IA    10.1.3.0/24 [110/204] via 10.2.1.8, 00:52:42, FastEthernet0/0
O IA    10.3.0.0/16 [110/130] via 10.2.1.8, 01:02:04, FastEthernet0/0
C       10.2.1.0/24 is directly connected, FastEthernet0/0
O IA    10.1.2.0/24 [110/257] via 10.2.1.8, 01:07:58, FastEthernet0/0
O IA    10.1.1.0/24 [110/194] via 10.2.1.8, 01:07:58, FastEthernet0/0
O IA    10.0.3.3/32 [110/129] via 10.2.1.8, 01:07:58, FastEthernet0/0
C       10.2.3.0/24 is directly connected, Serial1/3
O IA    10.0.1.0/24 [110/193] via 10.2.1.8, 01:07:58, FastEthernet0/0
O IA    10.0.6.0/24 [110/129] via 10.2.1.8, 01:13:10, FastEthernet0/0
O IA    10.0.3.5/32 [110/65] via 10.2.1.8, 01:13:10, FastEthernet0/0
O IA    10.0.7.0/24 [110/65] via 10.2.1.8, 01:13:10, FastEthernet0/0
O IA    10.0.3.4/32 [110/66] via 10.2.1.8, 01:13:10, FastEthernet0/0
O IA    10.0.4.0/24 [110/66] via 10.2.1.8, 01:13:10, FastEthernet0/0
O IA    10.0.5.0/24 [110/65] via 10.2.1.8, 01:13:10, FastEthernet0/0
O*N2 0.0.0.0/0 [110/1] via 10.2.1.8, 01:13:10, FastEthernet0/0
R13 R13 sh run
Building configuration...

Current configuration : 1890 bytes
!
upgrade fpd auto
version 12.4
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname R13
!
boot-start-marker
boot-end-marker
!
logging message-counter syslog
!
no aaa new-model
ip source-route
no ip icmp rate-limit unreachable
ip cef
!
!
!
!
no ip domain lookup
no ipv6 cef
!
multilink bundle-name authenticated
!
!
voice dsp waitstate 0
!
!
!
!
!
!
!
!
!
!
!
!
!
memory-size iomem 0
archive
 log config
  hidekeys
! 
!
!
!
!
ip tcp synwait-time 5
!
!
!
!
interface Loopback0
 ip address 1.1.13.13 255.255.255.0
!
interface FastEthernet0/0
 no ip address
 shutdown
 duplex half
!
interface Serial1/0
 no ip address
 shutdown
 serial restart-delay 0
!
interface Serial1/1
 no ip address
 shutdown
 serial restart-delay 0
!
interface Serial1/2
 no ip address
 shutdown
 serial restart-delay 0
!
interface Serial1/3
 ip address 10.2.3.13 255.255.255.0
 serial restart-delay 0
!
interface Ethernet2/0
 ip address 8.1.0.13 255.255.255.0
 duplex half
!
interface Ethernet2/1
 no ip address
 shutdown
 duplex half
!
interface Ethernet2/2
 no ip address
 shutdown
 duplex half
!
interface Ethernet2/3
 no ip address
 shutdown
 duplex half
!
router eigrp 1
 redistribute ospf 1
 network 8.1.0.0 0.0.0.255
 no auto-summary
!
router ospf 1
 router-id 1.1.13.13
 log-adjacency-changes
 area 2 nssa
 summary-address 8.0.0.0 255.0.0.0
 redistribute eigrp 1 subnets
 network 1.1.13.0 0.0.0.255 area 2
 network 10.2.3.0 0.0.0.255 area 2
!
ip forward-protocol nd
no ip http server
no ip http secure-server
!
!
!
logging alarm informational
no cdp log mismatch duplex
!
!
!
!
!
!
!
control-plane
!
!
!
mgcp fax t38 ecm
!
!
!
!
gatekeeper
 shutdown
!
!
line con 0
 exec-timeout 0 0
 privilege level 15
 logging synchronous
 stopbits 1
line aux 0
 exec-timeout 0 0
 privilege level 15
 logging synchronous
 stopbits 1
line vty 0 4
 login
!
end
R13 sh ip protocol
Routing Protocol is "ospf 1"
  Outgoing update filter list for all interfaces is not set
  Incoming update filter list for all interfaces is not set
  Router ID 1.1.13.13
  It is an autonomous system boundary router
  Redistributing External Routes from,
    eigrp 1, includes subnets in redistribution
  Number of areas in this router is 1. 0 normal 0 stub 1 nssa
  Address Summarization:
  Maximum path: 4
  Routing for Networks:
    1.1.13.0 0.0.0.255 area 2
    10.2.3.0 0.0.0.255 area 2
 Reference bandwidth unit is 100 mbps
  Routing Information Sources:
    Gateway         Distance      Last Update
    1.1.13.13            254      00:12:17
    1.1.12.12            110      01:13:02
    10.0.7.8             110      00:49:38
  Distance: (default is 110)

Routing Protocol is "eigrp 1"
  Outgoing update filter list for all interfaces is not set
  Incoming update filter list for all interfaces is not set
  Default networks flagged in outgoing updates
  Default networks accepted from incoming updates
  EIGRP metric weight K1=1, K2=0, K3=1, K4=0, K5=0
  EIGRP maximum hopcount 100
  EIGRP maximum metric variance 1
  Redistributing: ospf 1, eigrp 1
  EIGRP NSF-aware route hold timer is 240s
  Automatic network summarization is not in effect
  Maximum path: 4
  Routing for Networks:
    8.1.0.0/24
  Routing Information Sources:
    Gateway         Distance      Last Update
    8.1.0.14              90      01:28:08
  Distance: internal 90 external 170
R13 sh ip ospf neighbor
Neighbor ID     Pri   State           Dead Time   Address         Interface
1.1.12.12         0   FULL/  -        00:00:31    10.2.3.12       Serial1/3
R13 sh ip ospf database
            OSPF Router with ID (1.1.13.13) (Process ID 1)

		Router Link States (Area 2)

Link ID         ADV Router      Age         Seq#       Checksum Link count
1.1.12.12       1.1.12.12       550         0x8000000A 0x009120 4
1.1.13.13       1.1.13.13       742         0x80000008 0x005694 3
10.0.7.8        10.0.7.8        537         0x80000009 0x006263 1

		Net Link States (Area 2)

Link ID         ADV Router      Age         Seq#       Checksum
10.2.1.8        10.0.7.8        537         0x80000005 0x00BD11

		Summary Net Link States (Area 2)

Link ID         ADV Router      Age         Seq#       Checksum
1.1.1.1         10.0.7.8        34          0x80000003 0x00D283
1.1.3.3         10.0.7.8        34          0x80000003 0x00266C
1.1.4.4         10.0.7.8        537         0x80000004 0x009638
1.1.5.5         10.0.7.8        537         0x80000004 0x007756
1.1.6.6         10.0.7.8        34          0x80000007 0x006661
1.1.7.7     
R13 sh ip ospf int
Loopback0 is up, line protocol is up 
  Internet Address 1.1.13.13/24, Area 2 
  Process ID 1, Router ID 1.1.13.13, Network Type LOOPBACK, Cost: 1
  Loopback interface is treated as a stub Host
Serial1/3 is up, line protocol is up 
  Internet Address 10.2.3.13/24, Area 2 
  Process ID 1, Router ID 1.1.13.13, Network Type POINT_TO_POINT, Cost: 64
  Transmit Delay is 1 sec, State POINT_TO_POINT
  Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5
    oob-resync timeout 40
    Hello due in 00:00:00
  Supports Link-local Signaling (LLS)
  Cisco NSF helper support enabled
  IETF NSF helper support enabled
  Index 1/1, flood queue length 0
  Next 0x0(0)/0x0(0)
  Last flood scan length is 1, maximum is 5
  Last flood scan time is 0 msec, maximum is 4 msec
  Neighbor Count is 1, Adjacent neighbor count is 1 
    Adjacent with neighbor 1.1.12.12
  Suppress hello for 0 neighbor(s)
R13 sh ip ospf int bri
Interface    PID   Area            IP Address/Mask    Cost  State Nbrs F/C
Lo0          1     2               1.1.13.13/24       1     LOOP  0/0
Se1/3        1     2               10.2.3.13/24       64    P2P   1/1
R13 sh ip eigrp neighbor
IP-EIGRP neighbors for process 1
H   Address                 Interface       Hold Uptime   SRTT   RTO  Q  Seq
                                            (sec)         (ms)       Cnt Num
0   8.1.0.14                Et2/0             12 01:28:11   41   246  0  3
R13 sh ip eigrp topology
IP-EIGRP Topology Table for AS(1)/ID(10.2.3.13)

Codes: P - Passive, A - Active, U - Update, Q - Query, R - Reply,
       r - reply Status, s - sia Status 

P 8.1.0.0/24, 1 successors, FD is 281600
        via Connected, Ethernet2/0
P 8.2.0.0/24, 1 successors, FD is 409600
        via 8.1.0.14 (409600/128256), Ethernet2/0
P 8.3.0.0/24, 1 successors, FD is 409600
        via 8.1.0.14 (409600/128256), Ethernet2/0
P 8.4.0.0/24, 1 successors, FD is 409600
        via 8.1.0.14 (409600/128256), Ethernet2/0
P 8.5.0.0/24, 1 successors, FD is 409600
        via 8.1.0.14 (409600/128256), Ethernet2/0
R13 sh ip route
Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP
       D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area 
       N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
       E1 - OSPF external type 1, E2 - OSPF external type 2
       i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2
       ia - IS-IS inter area, * - candidate default, U - per-user static route
       o - ODR, P - periodic downloaded static route

Gateway of last resort is 10.2.3.12 to network 0.0.0.0

     1.0.0.0/8 is variably subnetted, 10 subnets, 2 masks
O       1.1.12.12/32 [110/65] via 10.2.3.12, 01:13:03, Serial1/3
O IA    1.1.10.10/32 [110/269] via 10.2.3.12, 00:49:39, Serial1/3
O IA    1.1.9.9/32 [110/259] via 10.2.3.12, 00:52:46, Serial1/3
O IA    1.1.7.7/32 [110/130] via 10.2.3.12, 01:13:03, Serial1/3
O IA    1.1.6.6/32 [110/131] via 10.2.3.12, 01:13:03, Serial1/3
O IA    1.1.5.5/32 [110/130] via 10.2.3.12, 01:13:03, Serial1/3
O IA    1.1.4.4/32 [110/131] via 10.2.3.12, 01:13:03, Serial1/3
O IA    1.1.3.3/32 [110/194] via 10.2.3.12, 01:08:02, Serial1/3
O IA    1.1.1.1/32 [110/258] via 10.2.3.12, 01:08:02, Serial1/3
C       1.1.13.0/24 is directly connected, Loopback0
     8.0.0.0/8 is variably subnetted, 6 subnets, 2 masks
O       8.0.0.0/8 is a summary, 00:12:18, Null0
C       8.1.0.0/24 is directly connected, Ethernet2/0
D       8.2.0.0/24 [90/409600] via 8.1.0.14, 01:28:09, Ethernet2/0
D       8.3.0.0/24 [90/409600] via 8.1.0.14, 01:28:09, Ethernet2/0
D       8.4.0.0/24 [90/409600] via 8.1.0.14, 01:28:09, Ethernet2/0
D       8.5.0.0/24 [90/409600] via 8.1.0.14, 01:28:09, Ethernet2/0
     10.0.0.0/8 is variably subnetted, 14 subnets, 3 masks
O IA    10.1.3.0/24 [110/268] via 10.2.3.12, 00:52:46, Serial1/3
O IA    10.3.0.0/16 [110/194] via 10.2.3.12, 01:02:08, Serial1/3
O       10.2.1.0/24 [110/65] via 10.2.3.12, 01:13:03, Serial1/3
O IA    10.1.2.0/24 [110/321] via 10.2.3.12, 01:08:02, Serial1/3
O IA    10.1.1.0/24 [110/258] via 10.2.3.12, 01:08:02, Serial1/3
O IA    10.0.3.3/32 [110/193] via 10.2.3.12, 01:08:02, Serial1/3
C       10.2.3.0/24 is directly connected, Serial1/3
O IA    10.0.1.0/24 [110/257] via 10.2.3.12, 01:08:02, Serial1/3
O IA    10.0.6.0/24 [110/193] via 10.2.3.12, 01:13:03, Serial1/3
O IA    10.0.3.5/32 [110/129] via 10.2.3.12, 01:13:03, Serial1/3
O IA    10.0.7.0/24 [110/129] via 10.2.3.12, 01:13:03, Serial1/3
O IA    10.0.3.4/32 [110/130] via 10.2.3.12, 01:13:03, Serial1/3
O IA    10.0.4.0/24 [110/130] via 10.2.3.12, 01:13:03, Serial1/3
O IA    10.0.5.0/24 [110/129] via 10.2.3.12, 01:13:03, Serial1/3
O*N2 0.0.0.0/0 [110/1] via 10.2.3.12, 01:13:03, Serial1/3
R14 R14 sh run
Building configuration...

Current configuration : 1950 bytes
!
upgrade fpd auto
version 12.4
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname R14
!
boot-start-marker
boot-end-marker
!
logging message-counter syslog
!
no aaa new-model
ip source-route
no ip icmp rate-limit unreachable
ip cef
!
!
!
!
no ip domain lookup
no ipv6 cef
!
multilink bundle-name authenticated
!
!
voice dsp waitstate 0
!
!
!
!
!
!
!
!
!
!
!
!
!
memory-size iomem 0
archive
 log config
  hidekeys
! 
!
!
!
!
ip tcp synwait-time 5
!
!
!
!
interface Loopback0
 ip address 1.1.14.14 255.255.255.0
!
interface Loopback1
 ip address 8.3.0.14 255.255.255.0 secondary
 ip address 8.4.0.14 255.255.255.0 secondary
 ip address 8.5.0.14 255.255.255.0 secondary
 ip address 8.2.0.14 255.255.255.0
!
interface FastEthernet0/0
 no ip address
 shutdown
 duplex half
!
interface Serial1/0
 no ip address
 shutdown
 serial restart-delay 0
!
interface Serial1/1
 no ip address
 shutdown
 serial restart-delay 0
!
interface Serial1/2
 no ip address
 shutdown
 serial restart-delay 0
!
interface Serial1/3
 no ip address
 shutdown
 serial restart-delay 0
!
interface Ethernet2/0
 ip address 8.1.0.14 255.255.255.0
 duplex half
!
interface Ethernet2/1
 no ip address
 shutdown
 duplex half
!
interface Ethernet2/2
 no ip address
 shutdown
 duplex half
!
interface Ethernet2/3
 no ip address
 shutdown
 duplex half
!
router eigrp 1
 network 8.1.0.0 0.0.0.255
 network 8.2.0.0 0.0.0.255
 network 8.3.0.0 0.0.0.255
 network 8.4.0.0 0.0.0.255
 network 8.5.0.0 0.0.0.255
 no auto-summary
!
ip forward-protocol nd
no ip http server
no ip http secure-server
!
!
!
logging alarm informational
no cdp log mismatch duplex
!
!
!
!
!
!
!
control-plane
!
!
!
mgcp fax t38 ecm
!
!
!
!
gatekeeper
 shutdown
!
!
line con 0
 exec-timeout 0 0
 privilege level 15
 logging synchronous
 stopbits 1
line aux 0
 exec-timeout 0 0
 privilege level 15
 logging synchronous
 stopbits 1
line vty 0 4
 login
!
end
R14 sh ip protocol
Routing Protocol is "eigrp 1"
  Outgoing update filter list for all interfaces is not set
  Incoming update filter list for all interfaces is not set
  Default networks flagged in outgoing updates
  Default networks accepted from incoming updates
  EIGRP metric weight K1=1, K2=0, K3=1, K4=0, K5=0
  EIGRP maximum hopcount 100
  EIGRP maximum metric variance 1
  Redistributing: eigrp 1
  EIGRP NSF-aware route hold timer is 240s
  Automatic network summarization is not in effect
  Maximum path: 4
  Routing for Networks:
    8.1.0.0/24
    8.2.0.0/24
    8.3.0.0/24
    8.4.0.0/24
    8.5.0.0/24
  Routing Information Sources:
    Gateway         Distance      Last Update
  Distance: internal 90 external 170
R14 sh ip eigrp neighbor
IP-EIGRP neighbors for process 1
H   Address                 Interface       Hold Uptime   SRTT   RTO  Q  Seq
                                            (sec)         (ms)       Cnt Num
0   8.1.0.13                Et2/0             11 01:28:12   41   246  0  4
R14 sh ip eigrp topology
IP-EIGRP Topology Table for AS(1)/ID(8.2.0.14)

Codes: P - Passive, A - Active, U - Update, Q - Query, R - Reply,
       r - reply Status, s - sia Status 

P 8.1.0.0/24, 1 successors, FD is 281600
        via Connected, Ethernet2/0
P 8.2.0.0/24, 1 successors, FD is 128256
        via Connected, Loopback1
P 8.3.0.0/24, 1 successors, FD is 128256
        via Connected, Loopback1
P 8.4.0.0/24, 1 successors, FD is 128256
        via Connected, Loopback1
P 8.5.0.0/24, 1 successors, FD is 128256
        via Connected, Loopback1
R14 sh ip route
Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP
       D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area 
       N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
       E1 - OSPF external type 1, E2 - OSPF external type 2
       i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2
       ia - IS-IS inter area, * - candidate default, U - per-user static route
       o - ODR, P - periodic downloaded static route

Gateway of last resort is not set

     1.0.0.0/24 is subnetted, 1 subnets
C       1.1.14.0 is directly connected, Loopback0
     8.0.0.0/24 is subnetted, 5 subnets
C       8.1.0.0 is directly connected, Ethernet2/0
C       8.2.0.0 is directly connected, Loopback1
C       8.3.0.0 is directly connected, Loopback1
C       8.4.0.0 is directly connected, Loopback1
C       8.5.0.0 is directly connected, Loopback1
R15 R15 sh run
Building configuration...

Current configuration : 1655 bytes
!
upgrade fpd auto
version 12.4
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname R15
!
boot-start-marker
boot-end-marker
!
logging message-counter syslog
!
no aaa new-model
ip source-route
no ip icmp rate-limit unreachable
ip cef
!
!
!
!
no ip domain lookup
no ipv6 cef
!
multilink bundle-name authenticated
!
!
voice dsp waitstate 0
!
!
!
!
!
!
!
!
!
!
!
!
!
memory-size iomem 0
archive
 log config
  hidekeys
! 
!
!
!
!
ip tcp synwait-time 5
!
!
!
!
interface Loopback0
 ip address 1.1.15.15 255.255.255.0
!
interface FastEthernet0/0
 ip address 192.168.0.15 255.255.255.0
 duplex half
!
interface Serial1/0
 no ip address
 shutdown
 serial restart-delay 0
!
interface Serial1/1
 no ip address
 shutdown
 serial restart-delay 0
!
interface Serial1/2
 no ip address
 shutdown
 serial restart-delay 0
!
interface Serial1/3
 no ip address
 shutdown
 serial restart-delay 0
!
interface Ethernet2/0
 no ip address
 shutdown
 duplex half
!
interface Ethernet2/1
 no ip address
 shutdown
 duplex half
!
interface Ethernet2/2
 no ip address
 shutdown
 duplex half
!
interface Ethernet2/3
 no ip address
 shutdown
 duplex half
!
router rip
 version 2
 network 192.168.0.0
 no auto-summary
!
ip forward-protocol nd
no ip http server
no ip http secure-server
!
!
!
logging alarm informational
no cdp log mismatch duplex
!
!
!
!
!
!
!
control-plane
!
!
!
mgcp fax t38 ecm
!
!
!
!
gatekeeper
 shutdown
!
!
line con 0
 exec-timeout 0 0
 privilege level 15
 logging synchronous
 stopbits 1
line aux 0
 exec-timeout 0 0
 privilege level 15
 logging synchronous
 stopbits 1
line vty 0 4
 login
!
end
R15 sh ip protocol
Routing Protocol is "rip"
  Outgoing update filter list for all interfaces is not set
  Incoming update filter list for all interfaces is not set
  Sending updates every 30 seconds, next due in 7 seconds
  Invalid after 180 seconds, hold down 180, flushed after 240
  Redistributing: rip
  Default version control: send version 2, receive version 2
    Interface             Send  Recv  Triggered RIP  Key-chain
    FastEthernet0/0       2     2                                    
  Automatic network summarization is not in effect
  Maximum path: 4
  Routing for Networks:
    192.168.0.0
  Routing Information Sources:
    Gateway         Distance      Last Update
  Distance: (default is 120)
R15 sh ip route
Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP
       D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area 
       N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
       E1 - OSPF external type 1, E2 - OSPF external type 2
       i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2
       ia - IS-IS inter area, * - candidate default, U - per-user static route
       o - ODR, P - periodic downloaded static route

Gateway of last resort is not set

     1.0.0.0/24 is subnetted, 1 subnets
C       1.1.15.0 is directly connected, Loopback0
C    192.168.0.0/24 is directly connected, FastEthernet0/0

 

OSPF Total Stub Area 를 설정한 Area 영역 1을 보게 되면