GLBP 실습

 

 

R1

R1 sh run

Building configuration...

Current configuration : 1636 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 100.100.100.1 255.255.255.0
!
interface FastEthernet0/0
 ip address 10.1.1.1 255.255.255.0
 duplex half
 glbp 1 ip 10.1.1.100
 glbp 1 priority 101
!
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
!
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 glbp

FastEthernet0/0 - Group 1
  State is Listen
    2 state changes, last state change 00:07:04
  Virtual IP address is 10.1.1.100
  Hello time 3 sec, hold time 10 sec
    Next hello sent in 0.352 secs
  Redirect time 600 sec, forwarder timeout 14400 sec
  Preemption disabled
  Active is 10.1.1.4, priority 104 (expires in 11.680 sec)
  Standby is 10.1.1.3, priority 103 (expires in 8.192 sec)
  Priority 101 (configured)
  Weighting 100 (default 100), thresholds: lower 1, upper 100
  Load balancing: round-robin
  Group members:
    ca01.3914.0000 (10.1.1.1) local
    ca02.0594.0000 (10.1.1.2)
    ca03.4754.0000 (10.1.1.3)
    ca04.0ac8.0000 (10.1.1.4)
  There are 4 forwarders (1 active)
  Forwarder 1
    State is Active
      3 state changes, last state change 00:06:21
    MAC address is 0007.b400.0101 (default)
    Owner ID is ca01.3914.0000
    Preemption enabled, min delay 30 sec
    Active is local, weighting 100
  Forwarder 2
    State is Listen
      2 state changes, last state change 00:06:20
    MAC address is 0007.b400.0102 (learnt)
    Owner ID is ca04.0ac8.0000
    Time to live: 14399.872 sec (maximum 14400 sec)
    Preemption enabled, min delay 30 sec
    Active is 10.1.1.4 (primary), weighting 100 (expires in 11.680 sec)
  Forwarder 3
    State is Listen
    MAC address is 0007.b400.0103 (learnt)
    Owner ID is ca02.0594.0000
    Time to live: 14397.664 sec (maximum 14400 sec)
    Preemption enabled, min delay 30 sec
    Active is 10.1.1.2 (primary), weighting 100 (expires in 9.600 sec)
  Forwarder 4
    State is Listen
    MAC address is 0007.b400.0104 (learnt)
    Owner ID is ca03.4754.0000
    Time to live: 14398.144 sec (maximum 14400 sec)
    Preemption enabled, min delay 30 sec
    Active is 10.1.1.3 (primary), weighting 100 (expires in 9.440 sec)

R1 sh glbp bri

Interface   Grp  Fwd Pri State    Address         Active router   Standby router
Fa0/0       1    -   101 Listen   10.1.1.100      10.1.1.4        10.1.1.3
Fa0/0       1    1   -   Active   0007.b400.0101  local           -
Fa0/0       1    2   -   Listen   0007.b400.0102  10.1.1.4        -
Fa0/0       1    3   -   Listen   0007.b400.0103  10.1.1.2        -
Fa0/0       1    4   -   Listen   0007.b400.0104  10.1.1.3        -

R2

R2 sh run

Building configuration...

Current configuration : 1573 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
 ip address 10.1.1.2 255.255.255.0
 duplex half
 glbp 1 ip 10.1.1.100
 glbp 1 priority 102
!
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
!
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 glbp

FastEthernet0/0 - Group 1
  State is Listen
    2 state changes, last state change 00:07:07
  Virtual IP address is 10.1.1.100
  Hello time 3 sec, hold time 10 sec
    Next hello sent in 0.352 secs
  Redirect time 600 sec, forwarder timeout 14400 sec
  Preemption disabled
  Active is 10.1.1.4, priority 104 (expires in 11.328 sec)
  Standby is 10.1.1.3, priority 103 (expires in 8.448 sec)
  Priority 102 (configured)
  Weighting 100 (default 100), thresholds: lower 1, upper 100
  Load balancing: round-robin
  Group members:
    ca01.3914.0000 (10.1.1.1)
    ca02.0594.0000 (10.1.1.2) local
    ca03.4754.0000 (10.1.1.3)
    ca04.0ac8.0000 (10.1.1.4)
  There are 4 forwarders (1 active)
  Forwarder 1
    State is Listen
      4 state changes, last state change 00:06:54
    MAC address is 0007.b400.0101 (learnt)
    Owner ID is ca01.3914.0000
    Time to live: 14397.952 sec (maximum 14400 sec)
    Preemption enabled, min delay 30 sec
    Active is 10.1.1.1 (primary), weighting 100 (expires in 9.248 sec)
  Forwarder 2
    State is Listen
    MAC address is 0007.b400.0102 (learnt)
    Owner ID is ca04.0ac8.0000
    Time to live: 14399.936 sec (maximum 14400 sec)
    Preemption enabled, min delay 30 sec
    Active is 10.1.1.4 (primary), weighting 100 (expires in 11.616 sec)
  Forwarder 3
    State is Active
      1 state change, last state change 00:06:52
    MAC address is 0007.b400.0103 (default)
    Owner ID is ca02.0594.0000
    Preemption enabled, min delay 30 sec
    Active is local, weighting 100
  Forwarder 4
    State is Listen
    MAC address is 0007.b400.0104 (learnt)
    Owner ID is ca03.4754.0000
    Time to live: 14398.432 sec (maximum 14400 sec)
    Preemption enabled, min delay 30 sec
    Active is 10.1.1.3 (primary), weighting 100 (expires in 8.992 sec)

R2 sh glbp bri

Interface   Grp  Fwd Pri State    Address         Active router   Standby router
Fa0/0       1    -   102 Listen   10.1.1.100      10.1.1.4        10.1.1.3
Fa0/0       1    1   -   Listen   0007.b400.0101  10.1.1.1        -
Fa0/0       1    2   -   Listen   0007.b400.0102  10.1.1.4        -
Fa0/0       1    3   -   Active   0007.b400.0103  local           -
Fa0/0       1    4   -   Listen   0007.b400.0104  10.1.1.3        -

R3

R3 sh run

Building configuration...

Current configuration : 1573 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
 ip address 10.1.1.3 255.255.255.0
 duplex half
 glbp 1 ip 10.1.1.103
 glbp 1 priority 103
!
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
!
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 glbp

FastEthernet0/0 - Group 1
  State is Standby
    3 state changes, last state change 00:07:00
  Virtual IP address is 10.1.1.103
  Hello time 3 sec, hold time 10 sec
    Next hello sent in 1.536 secs
  Redirect time 600 sec, forwarder timeout 14400 sec
  Preemption disabled
  Active is 10.1.1.4, priority 104 (expires in 7.744 sec)
  Standby is local
  Priority 103 (configured)
  Weighting 100 (default 100), thresholds: lower 1, upper 100
  Load balancing: round-robin
  Group members:
    ca01.3914.0000 (10.1.1.1)
    ca02.0594.0000 (10.1.1.2)
    ca03.4754.0000 (10.1.1.3) local
    ca04.0ac8.0000 (10.1.1.4)
  There are 4 forwarders (1 active)
  Forwarder 1
    State is Listen
      4 state changes, last state change 00:06:59
    MAC address is 0007.b400.0101 (learnt)
    Owner ID is ca01.3914.0000
    Time to live: 14398.688 sec (maximum 14400 sec)
    Preemption enabled, min delay 30 sec
    Active is 10.1.1.1 (primary), weighting 100 (expires in 9.312 sec)
  Forwarder 2
    State is Listen
    MAC address is 0007.b400.0102 (learnt)
    Owner ID is ca04.0ac8.0000
    Time to live: 14397.216 sec (maximum 14400 sec)
    Preemption enabled, min delay 30 sec
    Active is 10.1.1.4 (primary), weighting 100 (expires in 7.296 sec)
  Forwarder 3
    State is Listen
    MAC address is 0007.b400.0103 (learnt)
    Owner ID is ca02.0594.0000
    Time to live: 14397.920 sec (maximum 14400 sec)
    Preemption enabled, min delay 30 sec
    Active is 10.1.1.2 (primary), weighting 100 (expires in 8.128 sec)
  Forwarder 4
    State is Active
      1 state change, last state change 00:06:54
    MAC address is 0007.b400.0104 (default)
    Owner ID is ca03.4754.0000
    Preemption enabled, min delay 30 sec
    Active is local, weighting 100

R3 sh glbp bri

Interface   Grp  Fwd Pri State    Address         Active router   Standby router
Fa0/0       1    -   103 Standby  10.1.1.103      10.1.1.4        local
Fa0/0       1    1   -   Listen   0007.b400.0101  10.1.1.1        -
Fa0/0       1    2   -   Listen   0007.b400.0102  10.1.1.4        -
Fa0/0       1    3   -   Listen   0007.b400.0103  10.1.1.2        -
Fa0/0       1    4   -   Active   0007.b400.0104  local           -

R4

R4 sh run

Building configuration...

Current configuration : 1573 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
 ip address 10.1.1.4 255.255.255.0
 duplex half
 glbp 1 ip 10.1.1.100
 glbp 1 priority 104
!
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
!
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 glbp

FastEthernet0/0 - Group 1
  State is Active
    1 state change, last state change 00:07:57
  Virtual IP address is 10.1.1.100
  Hello time 3 sec, hold time 10 sec
    Next hello sent in 0.032 secs
  Redirect time 600 sec, forwarder timeout 14400 sec
  Preemption disabled
  Active is local
  Standby is 10.1.1.3, priority 103 (expires in 9.344 sec)
  Priority 104 (configured)
  Weighting 100 (default 100), thresholds: lower 1, upper 100
  Load balancing: round-robin
  Group members:
    ca01.3914.0000 (10.1.1.1)
    ca02.0594.0000 (10.1.1.2)
    ca03.4754.0000 (10.1.1.3)
    ca04.0ac8.0000 (10.1.1.4) local
  There are 4 forwarders (1 active)
  Forwarder 1
    State is Listen
      4 state changes, last state change 00:06:29
    MAC address is 0007.b400.0101 (learnt)
    Owner ID is ca01.3914.0000
    Redirection enabled, 600.000 sec remaining (maximum 600 sec)
    Time to live: 14400.000 sec (maximum 14400 sec)
    Preemption enabled, min delay 30 sec
    Active is 10.1.1.1 (primary), weighting 100 (expires in 10.112 sec)
  Forwarder 2
    State is Active
      1 state change, last state change 00:06:28
    MAC address is 0007.b400.0102 (default)
    Owner ID is ca04.0ac8.0000
    Redirection enabled
    Preemption enabled, min delay 30 sec
    Active is local, weighting 100
  Forwarder 3
    State is Listen
    MAC address is 0007.b400.0103 (learnt)
    Owner ID is ca02.0594.0000
    Redirection enabled, 599.328 sec remaining (maximum 600 sec)
    Time to live: 14399.328 sec (maximum 14400 sec)
    Preemption enabled, min delay 30 sec
    Active is 10.1.1.2 (primary), weighting 100 (expires in 11.072 sec)
  Forwarder 4
    State is Listen
    MAC address is 0007.b400.0104 (learnt)
    Owner ID is ca03.4754.0000
    Redirection enabled, 599.328 sec remaining (maximum 600 sec)
    Time to live: 14399.328 sec (maximum 14400 sec)
    Preemption enabled, min delay 30 sec
    Active is 10.1.1.3 (primary), weighting 100 (expires in 9.760 sec)

R4 sh glbp bri

Interface   Grp  Fwd Pri State    Address         Active router   Standby router
Fa0/0       1    -   104 Active   10.1.1.100      local           10.1.1.3
Fa0/0       1    1   -   Listen   0007.b400.0101  10.1.1.1        -
Fa0/0       1    2   -   Active   0007.b400.0102  local           -
Fa0/0       1    3   -   Listen   0007.b400.0103  10.1.1.2        -
Fa0/0       1    4   -   Listen   0007.b400.0104  10.1.1.3        -