AR1配置：

[AR1-GigabitEthernet0/0/1]vrrp vrid 1 virtual-ip 172.16.1.254???//設(shè)置備份組1，虛擬IP地址172.16.1.254

[AR1-GigabitEthernet0/0/1]vrrp vrid 1 priority 120???????????//設(shè)置優(yōu)先級(jí)為120

[AR1-GigabitEthernet0/0/1]vrrp vrid 1 track interface GigabitEthernet 0/0/0 redu

ced 40???????//設(shè)置檢測(cè)上行鏈路，當(dāng)上行鏈路斷掉，主動(dòng)降低優(yōu)先級(jí)40.

AR2配置：

[AR2-GigabitEthernet0/0/1]vrrp vrid 1 virtual-ip 172.16.1.254???//設(shè)置備份組1，虛擬IP地址172.16.1.254

[AR2-GigabitEthernet0/0/1]vrrp vrid 1 priority 90???????//設(shè)置優(yōu)先級(jí)為120

AR1??優(yōu)先級(jí)120?>>>80

AR2??優(yōu)先級(jí)90

PC記得配地址