VRRP协议

1、启动设备，设置PC1和PC2的IP地址、子网掩码和网关

2、配置SW1信息：

<Huawei>undo terminal monitor               关闭弹窗

<Huawei>system-view                             进入系统试图

[Huawei]user-interface console 0              

[Huawei-ui-console0]idle-timeout 0 0          永不超时

[Huawei-ui-console0]sysname RSW1                改名

[RSW1]vlan batch 10 20 100                       划分vlan10 20 100

[RSW1]int g0/0/1                         (配置G0/0/1为trunk口，允许10 20流量通过)   

[RSW1-GigabitEthernet0/0/1]port link-type trunk

[RSW1-GigabitEthernet0/0/1]port trunk allow-pass vlan 10 20

[RSW1-GigabitEthernet0/0/1]int g0/0/2  (配置G0/0/2为access口，允许10 20流量通过)

[RSW1-GigabitEthernet0/0/2]port link-type access

[RSW1-GigabitEthernet0/0/2]port default vlan 100

[RSW1-GigabitEthernet0/0/2]quit

[RSW1]int vlanif 10

[RSW1-Vlanif10]ip add 192.168.10.10 24         

[RSW1-Vlanif10]vrrp vrid 1 virtual-ip 192.168.10.1    配置虚拟IP地址

[RSW1-Vlanif10]vrrp vrid 1 priority 120                 配置优先级120

[RSW1-Vlanif10]vrrp vrid 1 track interface g0/0/1   配置监听口G0/0/1，当这个地方DOWN，优先级减10

[RSW1-Vlanif10]vrrp vrid 1 track interface g0/0/2    配置监听口G0/0/2，当这个地方DOWN，优先级减10

[RSW1-Vlanif10]int vlanif 20

[RSW1-Vlanif20]vrrp vrid 2 virtual-ip 192.168.20.1      

[RSW1-Vlanif20]ip add 192.168.20.10 24                   配置虚拟IP地址

[RSW1-Vlanif20]vrrp vrid 2 priority 115                  配置优先级115       

[RSW1-Vlanif10]int vlanif 100

[RSW1-Vlanif100]ip add 11.0.0.2 30                       配置互联口IP地址

[RSW1-Vlanif100]undo shutdown

[RSW1-Vlanif100]quit

[RSW1]ip route-static 0.0.0.0 0.0.0.0 11.0.0.1            配置默认路由

3、配置SW2信息：

<Huawei>undo terminal monitor

<Huawei>system-view

[Huawei]user-interface console 0

[Huawei-ui-console0]idle-timeout 0 0

[Huawei-ui-console0]sysname RSW2

[RSW2]vlan batch 10 20 100

[RSW2]int g0/0/1

[RSW2-GigabitEthernet0/0/1]port link-type trunk

[RSW2-GigabitEthernet0/0/1]port trunk allow-pass vlan 10 20

[RSW2-GigabitEthernet0/0/1]int g0/0/2

[RSW2-GigabitEthernet0/0/2]port link-type access

[RSW2-GigabitEthernet0/0/2]port default vlan 100

[RSW2-GigabitEthernet0/0/2]quit

[RSW2]int vlanif 10

[RSW2-Vlanif10]ip add 192.168.10.20 24

[RSW2-Vlanif10]vrrp vrid 1 virtual-ip 192.168.10.1

[RSW2-Vlanif10]vrrp vrid 1 priority 115

[RSW2-Vlanif10]int vlanif 20

[RSW2-Vlanif20]ip add 192.168.20.20 24

[RSW2-Vlanif20]vrrp vrid 2 virtual-ip 192.168.20.1

[RSW2-Vlanif20]vrrp vrid 2 priority 120

[RSW2-Vlanif20]vrrp vrid 2 track interface g0/0/1

[RSW2-Vlanif20]vrrp vrid 2 track interface g0/0/2

[RSW2-Vlanif20]int vlanif 100

[RSW2-Vlanif100]ip add 12.0.0.2 30

[RSW2-Vlanif100]undo shutdown

[RSW2-Vlanif100]quit

[RSW2]ip route-static 0.0.0.0 0.0.0.0 12.0.0.1

4、配置SW3信息：

<Huawei>undo terminal monitor

<Huawei>system-view

[Huawei]user-interface console 0

[Huawei-ui-console0]idle-timeout 0 0

[Huawei-ui-console0]sysname SW3

[SW3]vlan batch 10 20 100

[SW3]int g0/0/1

[SW3-GigabitEthernet0/0/1]port link-type trunk

[SW3-GigabitEthernet0/0/1]port trunk allow-pass vlan 10 20

[SW3-GigabitEthernet0/0/1]int g0/0/2

[SW3-GigabitEthernet0/0/2]port link-type trunk

[SW3-GigabitEthernet0/0/2]port trunk allow-pass vlan 10 20

[SW3-GigabitEthernet0/0/2]int e0/0/1

[SW3-Ethernet0/0/1]port link-type access

[SW3-Ethernet0/0/1]port default vlan 10

[SW3-GigabitEthernet0/0/2]int e0/0/2

[SW3-Ethernet0/0/2]port link-type access

[SW3-Ethernet0/0/2]port default vlan 20

[SW3-Ethernet0/0/2]undo shutdown

Info: Interface Ethernet0/0/2 is not shutdown.

[SW3-Ethernet0/0/2]quit

5、配置R1信息：

<Huawei>undo terminal monitor

<Huawei>system-view

[Huawei]user-interface console 0

[Huawei-ui-console0]idle-timeout 0 0

[Huawei-ui-console0]sysname R1

[R1]int g0/0/0

[R1-GigabitEthernet0/0/0]ip add 11.0.0.1 30

[R1-GigabitEthernet0/0/0]undo shutdown

[R1-GigabitEthernet0/0/0]int g0/0/1

[R1-GigabitEthernet0/0/1]ip add 12.0.0.1 30

[R1-GigabitEthernet0/0/1]undo shutdown

[R1-GigabitEthernet0/0/1]int loop 0

[R1-LoopBack0]ip add 1.1.1.1 32

[R1-LoopBack0]quit

[R1]ip route-static 192.168.10.0 24 11.0.0.2                   配置静态路由

[R1]ip route-static 192.168.20.0 24 11.0.0.2 preference 70  配置静态路由

[R1]ip route-static 192.168.10.0 24 12.0.0.2 preference 70   配置静态路由

[R1]ip route-static 192.168.20.0 24 12.0.0.2                     配置静态路由

6、向上配置默认路由，向下配置静态路由，指的是在SW1和SW2上设置默认路由、R1上设置静态路由。组播地址：224.0.0.18