R1
en
conf t
hos RA
inte e0/1
ip add 10.10.10.1 255.255.255.0
standby 10 ip 10.10.10.254
standby 10 priority 110
standby 10 preempt
no shu
inte e0/2
ip add 172.16.10.1 255.255.255.0
standby 172 ip 172.16.10.254
standby 172 prior 120
standby 172 track e0/1
standby 172 preempt
no shu
exit
______________________________________
RB
en
conf t
hos RB
inte e0/2
ip add 10.10.10.2 255.255.255.0
standby 10 ip 10.10.10.254
standby prior 120
standby 10 track e0/3
standby 10 preempt
no shu
inte e0/3
ip add 172.16.10.2 255.255.255.0
standby prior 110
standby 172 preempt
standby 172 ip 172.16.10.254
no shu
end
____________________________________________
我们把交换机模拟PC机
SA
en
conf t
hos SA
inte vlan 1
ip add 10.10.10.12 255.255.255.0
no shu
exit
no ip routing (关闭路由)
ip default-gateway 10.10.10.254 (配置网关)
end
________________________________________________
SB
en
conf t
hos SB
inte vlan 1
ip add 172.16.10.12 255.255.255.0
no shu
exit
no ip routing (关闭路由)
ip default-gateway 172.16.10.254 (配置网关)
end