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  • Cisco VRRP Config Case1

    实验图如下图示:

    实验连线如下:
    R1 f0/0 <—> ESW1 f0/0
    R1 f0/1 <—> ESW2 f0/1
    R2相当于PC1,关闭路由器功能后,设置f0/1接口地址为192.168.1.1/24和网关192.168.1.254。
    R3相当于PC2,关闭路由器功能后,设置f0/0接口地址为192.168.2.2/24和网关192.168.2.254。
    ESW1 f0/14 <—> ESW2 f0/14
    ESW1 f0/15 <—> ESW2 f0/15
    ESW1 f1/1  <—> R2 f0/1
    ESW2 f1/0  <—> R3 f0/0
    实验效果:
    当配置完成后,R2能够与R3互通,VRRP Master全部由ESW1接管。
    当断开ESW1上连R1的接口后,VRRP Master全部由ESW2接管,R2还是能够与R3互通。
    
    R1:
    interface Loopback0
     ip address 1.1.1.1 255.255.255.255
    interface FastEthernet0/0
     ip address 12.1.1.1 255.255.255.0
     no sh
    interface FastEthernet0/1
     ip address 13.1.1.1 255.255.255.0
     no sh
    router rip
     network 1.0.0.0
     network 12.0.0.0
     network 13.0.0.0
    
    ESW1:
    interface Loopback0
     ip address 2.2.2.2 255.255.255.255
    interface Port-channel1
     switchport mode trunk
    interface FastEthernet0/0
     ip address 12.1.1.2 255.255.255.0
     no sh
    interface FastEthernet1/1
     switchport access vlan 10
     no sh
    interface FastEthernet1/14
     switchport mode trunk
     duplex full
     speed 100
     channel-group 1 mode on
     no sh
    interface FastEthernet1/15
     switchport mode trunk
     duplex full
     speed 100
     channel-group 1 mode on
     no sh
    track 1 interface FastEthernet0/0 line-protocol
    track 2 interface Port-channel1 line-protocol
    interface Vlan10
     ip address 192.168.1.251 255.255.255.0
     vrrp 10 ip 192.168.1.254
     vrrp 10 priority 130
     vrrp 10 track 1
     vrrp 10 track 2
    interface Vlan20
     ip address 192.168.2.251 255.255.255.0
     vrrp 20 ip 192.168.2.254
     vrrp 20 priority 120
     vrrp 20 track 1
     vrrp 20 track 2
    router rip
     network 2.0.0.0
     network 12.0.0.0
     network 192.168.1.0
     network 192.168.2.0
    
    ESW2:
    interface Loopback0
     ip address 3.3.3.3 255.255.255.255
    interface Port-channel1
     switchport mode trunk
     no sh
    interface FastEthernet0/1
     ip address 13.1.1.3 255.255.255.0
     no sh
    interface FastEthernet1/0
     switchport access vlan 20
     duplex full
     speed 100
     no sh
    interface FastEthernet1/14
     switchport mode trunk
     duplex full
     speed 100
     channel-group 1 mode on
     no sh
    interface FastEthernet1/15
     switchport mode trunk
     duplex full
     speed 100
     channel-group 1 mode on
     no sh
    track 1 interface FastEthernet0/1 line-protocol
    track 2 interface Port-channel1 line-protocol
    interface Vlan10
     ip address 192.168.1.252 255.255.255.0
     vrrp 10 ip 192.168.1.254
     vrrp 10 priority 120
     vrrp 10 track 1
     vrrp 10 track 2
    interface Vlan20
     ip address 192.168.2.252 255.255.255.0
     vrrp 20 ip 192.168.2.254
     vrrp 20 priority 110
     vrrp 20 track 1
     vrrp 20 track 2
    router rip
     network 3.0.0.0
     network 13.0.0.0
     network 192.168.1.0
     network 192.168.2.0
    
    R2:
    no ip routing
    interface FastEthernet0/1
     ip address 192.168.1.1 255.255.255.0
     no sh
    ip default-gateway 192.168.1.254
    
    R3:
    no ip routing
    interface FastEthernet0/0
     ip address 192.168.2.2 255.255.255.0
     no sh
    ip default-gateway 192.168.2.254
    
    ESW1:
    config t
    int f0/0
    sh
    当断开与R1上连后,VRRP Master开始发生变化了,原来在ESW1的Master全部变成Backup状态。
    *Mar  1 00:10:43.283: %VRRP-6-STATECHANGE: Vl10 Grp 10 state Master -> Backup
    *Mar  1 00:10:43.287: %VRRP-6-STATECHANGE: Vl20 Grp 20 state Master -> Backup
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  • 原文地址:https://www.cnblogs.com/vincent-liang/p/6538634.html
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