目的：为了使pc有良好的上网环境，我们给pc配置了网关冗余，R1和R3有一个挂掉时，不影响它们。第一步：配置各个路由器使全网互通第二步：配置R1和R3R1上的配置track 100 interface
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目的：为了使pc有良好的上网环境，我们给pc配置了网关冗余，R1和R3有一个挂掉时，不影响它们。
第一步：配置各个路由器使全网互通
第二步：配置R1和R3
R1上的配置
track 100 interface FastEthernet0/0 line-protocol
interface FastEthernet0/1
ip address 192.168.1.1 255.255.255.0
no ip redirects
no ip proxy-arp
duplex auto
speed auto
glbp 1 ip 192.168.1.253
glbp 1 priority 105
glbp 1 preempt
glbp 1 weighting track 100 //GLBP的track和vrrp有些不同
glbp 2 ip 192.168.1.254
glbp 2 preempt
R3上的配置
track 100 interface FastEthernet0/0 line-protocol
interface FastEthernet0/1
ip address 192.168.1.3 255.255.255.0
no ip redirects
no ip proxy-arp
duplex auto
speed auto
glbp 1 ip 192.168.1.253
glbp 1 preempt
glbp 2 ip 192.168.1.254
glbp 2 priority 105
glbp 2 preempt
glbp 2 weighting track 100
第二步：测试
- 先测试R1
R1上出现的情况：
R1(config)#int f0/1
R1(config-if)#sh
May 3 11:15:37.491: %GLBP-6-FWDSTATECHANGE: FastEthernet0/1 Grp 1 Fwd 1 state Active -> Init
May 3 11:15:37.495: %GLBP-6-STATECHANGE: FastEthernet0/1 Grp 1 state Active -> Init
*May 3 11:15:37.495: %GLBP-6-FWDSTATECHANGE: FastEthernet0/1 Grp 2 Fwd 1 state Active -> Init
//组1和2同时进入了初始化状态
R1(config-if)#no sh
*May 3 11:15:59.327: %GLBP-6-STATECHANGE: FastEthernet0/1 Grp 1 state Speak -> Active
R1(config-if)#int f0/0
R1(config-if)#sh
R1(config-if)#no sh
*May 3 11:16:29.335: %GLBP-6-FWDSTATECHANGE: FastEthernet0/1 Grp 2 Fwd 1 state Listen -> Active
R3上出现的情况
*May 3 11:15:47.179: %GLBP-6-FWDSTATECHANGE: FastEthernet0/1 Grp 2 Fwd 1 state Listen -> Active
*May 3 11:15:47.243: %GLBP-6-FWDSTATECHANGE: FastEthernet0/1 Grp 1 Fwd 1 state Listen -> Active
//当R1的接口挂掉时，R3成为了组1和组2的active路由器
Pc4上出现的情况：
pc4#ping 2.2.2.2 re 33333333
Type escape sequence to abort.
Sending 33333333, 100-byte ICMP Echos to 2.2.2.2, timeout is 2 seconds:
.!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!.....!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!.!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!.!.!.!.!.!.!.!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!.
Success rate is 97 percent (600/615), round-trip min/avg/max = 20/70/344 ms
- 在测试R3
R3上出现的情况
R3(config)#int f0/1
R3(config-if)#sh
May 3 11:23:38.711: %GLBP-6-FWDSTATECHANGE: FastEthernet0/1 Grp 1 Fwd 2 state Active -> Init
May 3 11:23:38.711: %GLBP-6-FWDSTATECHANGE: FastEthernet0/1 Grp 2 Fwd 2 state Active -> Init
*May 3 11:23:38.715: %GLBP-6-STATECHANGE: FastEthernet0/1 Grp 2 state Active -> Init
R3(config-if)#no sh
*May 3 11:24:00.263: %GLBP-6-STATECHANGE: FastEthernet0/1 Grp 2 state Speak -> Active
R3(config-if)#int f0/0
R3(config-if)#sh
R3(config-if)#no sh
*May 3 11:24:29.323: %GLBP-6-FWDSTATECHANGE: FastEthernet0/1 Grp 1 Fwd 2 state Listen -> Active
R1上出现的情况
*May 3 11:23:46.407: %GLBP-6-FWDSTATECHANGE: FastEthernet0/1 Grp 1 Fwd 2 state Listen -> Active
May 3 11:23:48.299: %GLBP-6-STATECHANGE: FastEthernet0/1 Grp 2 state Standby -> Active
May 3 11:23:48.299: %GLBP-6-FWDSTATECHANGE: FastEthernet0/1 Grp 2 Fwd 2 state Listen -> Active
*May 3 11:24:00.391: %GLBP-6-STATECHANGE: FastEthernet0/1 Grp 2 state Active -> Speak
May 3 11:24:28.503: %GLBP-6-FWDSTATECHANGE: FastEthernet0/1 Grp 2 Fwd 2 state Active -> Listen
May 3 11:24:29.439: %GLBP-6-FWDSTATECHANGE: FastEthernet0/1 Grp 1 Fwd 2 state Active -> Listen
Pc5上出现的情况
pc5#ping 2.2.2.2 re 22222222
Type escape sequence to abort.
Sending 22222222, 100-byte ICMP Echos to 2.2.2.2, timeout is 2 seconds:
!.!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!...
..!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!.!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!.!.!.!.!.!.!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!.
Success rate is 97 percent (579/593), round-trip min/avg/max = 24/67/1080 ms
Over
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