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拓扑图： 
实验要求
PC1属于vlan10 PC2属于vlan20 pc1流量通过r1走 pc2 流量通过SW2走，当主路由器挂了，流量可以自动切换通过备路由器通信
配置文件
[r2]int g0/0/0 [r2-GigabitEthernet0/0/0]ip add 12.0.0.2 24
[r2-GigabitEthernet0/0/0]int g0/0/1 [r2-GigabitEthernet0/0/1]ip add 22.0.0.2 24
[r2-GigabitEthernet0/0/1]int loo 0 [r2]rip [r2-rip-1]version 2 [r2-rip-1]undo summary [r2-rip-1]network 12.0.0.0 [r2-rip-1]network 22.0.0.0 [r2-rip-1]network 1.0.0.0
[sw1]vlan bat 10 20 [sw1]int e0/0/1 [sw1-Ethernet0/0/1]port link-type access [sw1-Ethernet0/0/1]port default vlan 10
[sw1-Ethernet0/0/1]int e0/0/2 [sw1-Ethernet0/0/2]port hybrid untagged vlan 20
[sw1-GigabitEthernet0/0/1]int g0/0/2 [sw1-GigabitEthernet0/0/2]port hybrid tagged vlan 10 20
[r1] [r1]int g0/0/1 [r1]rip [r1-rip-1]version 2 [r1-rip-1]undo summary [r1-rip-1]network 12.0.0.0 [r1-rip-1]network 192.168.10.0 [r1-rip-1]network 192.168.20.0
[r1]int g0/0/0.10 [r1-GigabitEthernet0/0/0.10]dot1q termination vid 10 [r1-GigabitEthernet0/0/0.10]arp broadcast enable [r1-GigabitEthernet0/0/0.10]ip add 192.168.10.10 24 [r1-GigabitEthernet0/0/0.10]vrrp vrid 1 virtual-ip 192.168.10.1虚拟网关 [r1-GigabitEthernet0/0/0.10]vrrp vrid 1 preempt-mode timer delay 0 [r1-GigabitEthernet0/0/0.10]vrrp vrid 1 track interface g0/0/1 跟踪上行口 默认的优先级是100 不用配置
[r1]dis vrrp brief Total:1 Master:1 Backup:0 Non-active:0 VRID State Interface Type Virtual IP ---------------------------------------------------------------- 1 Master GE0/0/0.10 Normal 192.168.10.1
[r1]int g0/0/0.20 [r1-GigabitEthernet0/0/0.20]dot1q termination vid 20 [r1-GigabitEthernet0/0/0.20]arp broadcast enable [r1-GigabitEthernet0/0/0.20]ip add 192.168.20.20 24 [r1-GigabitEthernet0/0/0.20]vrrp vrid 2 virtual-ip 192.168.20.1 [r1-GigabitEthernet0/0/0.20]vrrp vrid 2 priority 95 [r1]dis vrrp brief Total:2 Master:1 Backup:1 Non-active:0 VRID State Interface Type Virtual IP ---------------------------------------------------------------- 1 Master GE0/0/0.10 Normal 192.168.10.1 2 Backup GE0/0/0.20 Normal 192.168.20.1
[sw2]vlan bat 10 20 100 [sw2]int g0/0/2 [sw2-GigabitEthernet0/0/2]port link-type access [sw2-GigabitEthernet0/0/2]port default vlan 100 [sw2-GigabitEthernet0/0/2]int vlan 100 [sw2-Vlanif100]ip add 22.0.0.1 24
[sw2]rip [sw2-rip-1]version 2 [sw2-rip-1]undo summary [sw2-rip-1]network 22.0.0.0 [sw2-rip-1]network 192.168.10.0 [sw2-rip-1]network 192.168.20.0
[sw2]int g0/0/1 [sw2-GigabitEthernet0/0/1]port hybrid tagged vlan 10 20
[sw2]int vlan 10 [sw2-Vlanif10]ip add 192.168.10.20 24 [sw2-Vlanif10]vrrp vrid 1 virtual-ip 192.168.10.1 [sw2-Vlanif10]vrrp vrid 1 priority 95
VRID State Interface Type Virtual IP ---------------------------------------------------------------- 1 Backup Vlanif10 Normal 192.168.10.1 ---------------------------------------------------------------- Total:1 Master:0 Backup:1 Non-active:0
[sw2]int vlan 20 [sw2-Vlanif20]ip add 192.168.20.10 24 [sw2-Vlanif20]vrrp vrid 2 virtual-ip 192.168.20.1 [sw2-Vlanif20]vrrp vrid 2 track interface GigabitEthernet 0/0/2 [sw2-Vlanif20]vrrp vrid 2 preempt-mode timer delay 0
[sw2]dis vrrp brief VRID State Interface Type Virtual IP ---------------------------------------------------------------- 1 Backup Vlanif10 Normal 192.168.10.1 2 Master Vlanif20 Normal 192.168.20.1 ---------------------------------------------------------------- Total:2 Master:1 Backup:1 Non-active:0
测试： Pc1 IP地址 192.168.10.100 255.255.255.0 192.168.10.1 Pc1 ping r1环回口1.1.1.1 
查看流量路径： 
将R1 上行口关闭 ： PC2的测试和pc1方法相同。 |
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