EIGRP 실습 (2)

 

R1

R1 sh run

Building configuration...

Current configuration : 1680 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 Loopback10
 ip address 20.1.1.1 255.255.255.0
!
interface FastEthernet0/0
 no ip address
 shutdown
 duplex half
!
interface Serial1/0
 ip address 10.1.1.1 255.255.255.0
 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 eigrp 200
 network 10.1.1.0 0.0.0.255
 network 20.1.1.0 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

R1 sh ip eigrp neighbor

IP-EIGRP neighbors for process 200
H   Address                 Interface       Hold Uptime   SRTT   RTO  Q  Seq
                                            (sec)         (ms)       Cnt Num
0   10.1.1.2                Se1/0              6 00:16:03   24   200  0  32

R1 sh ip eigrp topology

IP-EIGRP Topology Table for AS(200)/ID(20.1.1.1)

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

P 10.1.3.0/24, 1 successors, FD is 2681856
        via 10.1.1.2 (2681856/2169856), Serial1/0
P 10.1.2.0/24, 1 successors, FD is 2681856
        via 10.1.1.2 (2681856/2169856), Serial1/0
P 10.1.1.0/24, 1 successors, FD is 2169856
        via Connected, Serial1/0
P 10.1.5.0/24, 1 successors, FD is 3193856
        via 10.1.1.2 (3193856/2681856), Serial1/0
P 10.1.4.0/24, 1 successors, FD is 3193856
        via 10.1.1.2 (3193856/2681856), Serial1/0
P 20.1.1.0/24, 1 successors, FD is 128256
        via Connected, Loopback10

R2

R2 sh run

Building configuration...

Current configuration : 1670 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 FastEthernet0/0
 no ip address
 shutdown
 duplex half
!
interface Serial1/0
 ip address 10.1.1.2 255.255.255.0
 serial restart-delay 0
!
interface Serial1/1
 ip address 10.1.3.1 255.255.255.0
 serial restart-delay 0
!
interface Serial1/2
 ip address 10.1.2.2 255.255.255.0
 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 eigrp 200
 network 10.1.1.0 0.0.0.255
 network 10.1.2.0 0.0.0.255
 network 10.1.3.0 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

R2 sh ip eigrp neighbor

IP-EIGRP neighbors for process 200
H   Address                 Interface       Hold Uptime   SRTT   RTO  Q  Seq
                                            (sec)         (ms)       Cnt Num
2   10.1.2.1                Se1/2              5 00:11:42   33   200  0  10
1   10.1.3.2                Se1/1              5 00:14:26   24   200  0  16
0   10.1.1.1                Se1/0              8 00:16:08   91   546  0  14

R2 sh ip eigrp topology

IP-EIGRP Topology Table for AS(200)/ID(10.1.1.2)

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

P 10.1.3.0/24, 1 successors, FD is 2169856
        via Connected, Serial1/1
P 10.1.2.0/24, 1 successors, FD is 2169856
        via Connected, Serial1/2
P 10.1.1.0/24, 1 successors, FD is 2169856
        via Connected, Serial1/0
P 10.1.5.0/24, 1 successors, FD is 2681856
        via 10.1.3.2 (2681856/2169856), Serial1/1
P 10.1.4.0/24, 1 successors, FD is 2681856
        via 10.1.2.1 (2681856/2169856), Serial1/2
P 20.1.1.0/24, 1 successors, FD is 2297856
        via 10.1.1.1 (2297856/128256), Serial1/0

R3

R3 sh run

Building configuration...

Current configuration : 1632 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 FastEthernet0/0
 no ip address
 shutdown
 duplex half
!
interface Serial1/0
 ip address 10.1.5.1 255.255.255.0
 serial restart-delay 0
!
interface Serial1/1
 ip address 10.1.3.2 255.255.255.0
 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 eigrp 200
 network 10.1.3.0 0.0.0.255
 network 10.1.5.0 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

R3 sh ip eigrp neighbor

IP-EIGRP neighbors for process 200
H   Address                 Interface       Hold Uptime   SRTT   RTO  Q  Seq
                                            (sec)         (ms)       Cnt Num
1   10.1.5.2                Se1/0              5 00:13:25   28   200  0  12
0   10.1.3.1                Se1/1              4 00:14:29   24   200  0  33

R3 sh ip eigrp topology

IP-EIGRP Topology Table for AS(200)/ID(10.1.5.1)

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

P 10.1.3.0/24, 1 successors, FD is 2169856
        via Connected, Serial1/1
P 10.1.2.0/24, 1 successors, FD is 2681856
        via 10.1.3.1 (2681856/2169856), Serial1/1
P 10.1.1.0/24, 1 successors, FD is 2681856
        via 10.1.3.1 (2681856/2169856), Serial1/1
P 10.1.5.0/24, 1 successors, FD is 2169856
        via Connected, Serial1/0
P 10.1.4.0/24, 1 successors, FD is 2681856
        via 10.1.5.2 (2681856/2169856), Serial1/0
P 20.1.1.0/24, 1 successors, FD is 2809856
        via 10.1.3.1 (2809856/2297856), Serial1/1

R4

R4 sh run

Building configuration...

Current configuration : 1632 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 FastEthernet0/0
 no ip address
 shutdown
 duplex half
!
interface Serial1/0
 no ip address
 shutdown
 serial restart-delay 0
!
interface Serial1/1
 ip address 10.1.4.2 255.255.255.0
 serial restart-delay 0
!
interface Serial1/2
 ip address 10.1.2.1 255.255.255.0
 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 eigrp 200
 network 10.1.2.0 0.0.0.255
 network 10.1.4.0 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

R4 sh ip eigrp neighbor

IP-EIGRP neighbors for process 200
H   Address                 Interface       Hold Uptime   SRTT   RTO  Q  Seq
                                            (sec)         (ms)       Cnt Num
1   10.1.2.2                Se1/2              9 00:12:09   29   200  0  31
0   10.1.4.1                Se1/1             14 00:12:41  836  5000  0  13

R4 sh ip eigrp topology

IP-EIGRP Topology Table for AS(200)/ID(10.1.4.2)

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

P 10.1.3.0/24, 1 successors, FD is 2681856
        via 10.1.2.2 (2681856/2169856), Serial1/2
P 10.1.2.0/24, 1 successors, FD is 2169856
        via Connected, Serial1/2
P 10.1.1.0/24, 1 successors, FD is 2681856
        via 10.1.2.2 (2681856/2169856), Serial1/2
P 10.1.5.0/24, 1 successors, FD is 2681856
        via 10.1.4.1 (2681856/2169856), Serial1/1
P 10.1.4.0/24, 1 successors, FD is 2169856
        via Connected, Serial1/1
P 20.1.1.0/24, 1 successors, FD is 2809856
        via 10.1.2.2 (2809856/2297856), Serial1/2

R5

R5 sh run

Building configuration...

Current configuration : 1632 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 FastEthernet0/0
 no ip address
 shutdown
 duplex half
!
interface Serial1/0
 ip address 10.1.5.2 255.255.255.0
 serial restart-delay 0
!
interface Serial1/1
 ip address 10.1.4.1 255.255.255.0
 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 eigrp 200
 network 10.1.4.0 0.0.0.255
 network 10.1.5.0 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

R5 sh ip eigrp neighbor

IP-EIGRP neighbors for process 200
H   Address                 Interface       Hold Uptime   SRTT   RTO  Q  Seq
                                            (sec)         (ms)       Cnt Num
1   10.1.4.2                Se1/1              9 00:12:45   20   200  0  9
0   10.1.5.1                Se1/0             14 00:13:52   30   200  0  17

R5 sh ip eigrp topology

IP-EIGRP Topology Table for AS(200)/ID(10.1.5.2)

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

P 10.1.3.0/24, 1 successors, FD is 2681856
        via 10.1.5.1 (2681856/2169856), Serial1/0
P 10.1.2.0/24, 1 successors, FD is 2681856
        via 10.1.4.2 (2681856/2169856), Serial1/1
P 10.1.1.0/24, 2 successors, FD is 3193856
        via 10.1.4.2 (3193856/2681856), Serial1/1
        via 10.1.5.1 (3193856/2681856), Serial1/0
P 10.1.5.0/24, 1 successors, FD is 2169856
        via Connected, Serial1/0
P 10.1.4.0/24, 1 successors, FD is 2169856
        via Connected, Serial1/1
P 20.1.1.0/24, 2 successors, FD is 3321856
        via 10.1.4.2 (3321856/2809856), Serial1/1
        via 10.1.5.1 (3321856/2809856), Serial1/0

---

R3의 S1/1을 shutdown 할 경우

 

sh ip eigrp topology

IP-EIGRP Topology Table for AS(200)/ID(10.1.5.1)

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

P 10.1.3.0/24, 1 successors, FD is 3705856
        via 10.1.5.2 (3705856/3193856), Serial1/0, serno 15
P 10.1.2.0/24, 1 successors, FD is 3193856
        via 10.1.5.2 (3193856/2681856), Serial1/0
P 10.1.1.0/24, 1 successors, FD is 3705856
        via 10.1.5.2 (3705856/3193856), Serial1/0
P 10.1.5.0/24, 1 successors, FD is 2169856
        via Connected, Serial1/0
P 10.1.4.0/24, 1 successors, FD is 2681856
        via 10.1.5.2 (2681856/2169856), Serial1/0
P 20.1.1.0/24, 1 successors, FD is 3833856
        via 10.1.5.2 (3833856/3321856), Serial1/0

 

Successor가 변경 된 것을 확인 가능.

R3 --> R5 Query패킷

NextHop : 0.0.0.0으로 자신이 알고있지 않음을 알려준다.