二层交换机的配置
en
conf t
vlan 10
vlan 20
exit
int f0/1
sw mode acc
sw acc vlan 10
exit
int f0/2
sw mode acc
sw acc vlan 20
exit
int range f0/9-10
sw mode trunk
exit
外部路由器
en
conf t
int g0/0
ip add 10.10.10.2 255.255.255.0
no shutdown
exit
int g0/1
ip add 20.20.20.2 255.255.255.0
no shutdown
exit
int g0/2
ip add 176.16.10.254 255.255.255.0
no shutdown
exit
ip route 0.0.0.0 0.0.0.0 g0/0
ip route 0.0.0.0 0.0.0.0 g0/1
三层交换机0的配置
en
conf t
ip routing
vlan 10
vlan 20
exit
int f0/9
sw mode trunk
exit
int f0/24
switchport trunk encapsulation dot1q
sw mode trunk
exit
int vlan 10
ip add 192.168.10.254 255.255.255.0
no shutdown
exit
int vlan 20
ip add 192.168.20.254 255.255.255.0
no shutdown
exit
int f0/23
no switchport
ip add 10.10.10.1 255.255.255.0
no shutdown
exit
spanning-tree vlan 10 priority 4096
int vlan 10
standby 10 ip 192.168.10.250
standby 10 priority 150
standby 10 preempt
standby 10 track f0/23
exit
int vlan 20
standby 20 ip 192.168.20.250
standby 20 priority 120
standby 20 preempt
exit
ip route 176.16.10.0 255.255.255.0 f0/23
三层交换机1的配置
en
conf t
ip routing
vlan 10
vlan 20
exit
int f0/10
sw mode trunk
exit
int f0/24
switchport trunk encapsulation dot1q
sw mode trunk
exit
int vlan 10
ip add 192.168.10.253 255.255.255.0
no shutdown
exit
int vlan 20
ip add 192.168.20.253 255.255.255.0
no shutdown
exit
ip default-gateway 20.20.20.2
ip routing
int f0/23
no switchport
ip add 20.20.20.1 255.255.255.0
no shutdown
exit
spanning-tree vlan 20 priority 4096
int vlan 20
standby 20 ip 192.168.20.250
standby 20 priority 150
standby 20 preempt
standby 20 track f0/23
exit
int vlan 10
standby 10 ip 192.168.10.250
standby 10 priority 120
standby 10 preempt
exit
ip route 176.16.10.0 255.255.255.0 f0/23