配置LSW1交换机
[sw1]stp enable
[sw1]stp mode mstp
[sw1]stp region-configuration
[sw1-mst-region]region-name aa
[sw1-mst-region]instance 1 vlan 2
[sw1-mst-region]instance 2 vlan 3
[sw1-mst-region]active region-configuration
[sw1-mst-region]q
[sw1]stp instance 1 root primary
[sw1]stp instance 2 root secondary
[sw1]interface Vlanif 2
[sw1-Vlanif2]ip address 172.16.0.1 26
[sw1-Vlanif2]vrrp vrid 1 virtual-ip 172.16.0.62
[sw1-Vlanif2]vrrp vrid 1 priority 120
[sw1-Vlanif2]vrrp vrid 1 track interface GigabitEthernet 0/0/5 reduced 30
[sw1-Vlanif2]q
[sw1]interface Vlanif 3
[sw1-Vlanif3]ip address 172.16.0.65 26
[sw1-Vlanif3]vrrp vrid 2 virtual-ip 172.16.0.126
[sw1-Vlanif3]q
[sw1]dhcp enable
[sw1]ip pool aa
[sw1-ip-pool-aa]network 172.16.0.0 mask 26
[sw1-ip-pool-aa]gateway-list 172.16.0.62
[sw1-ip-pool-aa]dns-list 8.8.8.8
[sw1-ip-pool-aa]q
[sw1]ip pool bb
[sw1-ip-pool-bb]network 172.16.0.64 mask 2
[sw1-ip-pool-bb]gateway-list 172.16.0.126
[sw1-ip-pool-bb]dns-list 8.8.8.8
[sw1-ip-pool-bb]q
[sw1]interface Vlanif 2
[sw1-Vlanif2]dhcp select global
[sw1-Vlanif2]q
[sw1]interface Vlanif 3
[sw1-Vlanif3]dhcp select global
[sw1-Vlanif3]q
[sw1]interface Vlanif 10
[sw1-Vlanif10]ip address 172.16.0.129 26
[sw1-Vlanif10]q
[sw1]ip route-static 0.0.0.0 0 172.16.0.130
配置LSW2交换机
[sw2]dhcp enable
[sw2]ip pool aa
[sw2-ip-pool-aa] gateway-list 172.16.0.62
[sw2-ip-pool-aa] network 172.16.0.0 mask 255.255.255.192
[sw2-ip-pool-aa] dns-list 8.8.8.8
[sw2-ip-pool-aa]q
[sw2]ip pool bb Info:It's successful to create an IP address pool.
[sw2-ip-pool-bb] gateway-list 172.16.0.126
[sw2-ip-pool-bb] network 172.16.0.64 mask 255.255.255.192
[sw2-ip-pool-bb] dns-list 8.8.8.8
[sw2-ip-pool-bb]q
[sw2]interface Vlanif 2
[sw2-Vlanif2]dhcp select global
[sw2-Vlanif2]q
[sw2]interface Vlanif 3
[sw2-Vlanif3]dhcp select global
[sw2-Vlanif3]q
[sw2]interface Vlanif 20
[sw2-Vlanif20]ip address 172.16.0.193 26
[sw2-Vlanif20]q
[sw2]ip route-static 0.0.0.0 0 172.16.0.194
配置LSW3交换机
[sw3]stp enable
[sw3]stp mode mstp
[sw3]stp region-configuration
[sw3-mst-region] region-name aa
[sw3-mst-region] instance 1 vlan 2
[sw3-mst-region] instance 2 vlan 3
[sw3-mst-region] active region-configuration
[sw3-mst-region]q
[sw3]port-group group-member GigabitEthernet 0/0/3 to GigabitEthernet 0/0/4
[sw3-port-group]stp edged-port enable
[sw3-GigabitEthernet0/0/3]stp edged-port enable
[sw3-GigabitEthernet0/0/4]stp edged-port enable
[sw3-port-group]q
[sw3]stp bpdu-protection
配置LSW4交换机
[sw4]stp enable
[sw4]stp mode mstp
[sw4]stp region-configuration
[sw4-mst-region] region-name aa
[sw4-mst-region] instance 1 vlan 2
[sw4-mst-region] instance 2 vlan 3
[sw4-mst-region] active region-configuration
[sw4-mst-region]q
[sw4]port-group group-member GigabitEthernet 0/0/3 to g0/0/4
[sw4-port-group]stp edged-port enable
[sw4-GigabitEthernet0/0/3]stp edged-port enable
[sw4-GigabitEthernet0/0/4]stp edged-port enable
[sw4-port-group]q
[sw4]stp bpdu-protection
配置AR1路由器
[ar1]interface GigabitEthernet 0/0/1
[ar1-GigabitEthernet0/0/1]q
[ar1]interface GigabitEthernet 0/0/0
[ar1-GigabitEthernet0/0/0]ip address 172.16.0.130 26
[ar1-GigabitEthernet0/0/0]q
[ar1]interface GigabitEthernet 0/0/1
[ar1-GigabitEthernet0/0/1]ip address 172.16.0.194 26
[ar1-GigabitEthernet0/0/1]int g 0/0/2
[ar1-GigabitEthernet0/0/2]ip address 12.0.0.1 24
[ar1-GigabitEthernet0/0/2]q
[ar1]ip route-static 172.16.0.0 26 172.16.0.129
[ar1]ip route-static 172.16.0.0 26 172.16.0.19
[ar1]ip route-static 172.16.0.64 26 172.16.0.129
[ar1]ip route-static 172.16.0.64 26 172.16.0.193
[ar1]ip route-static 0.0.0.0 0 12.0.0.2
[ar1]acl 2000
[ar1-acl-basic-2000]rule permit source 172.16.0.0 0.0.0.255
[ar1-acl-basic-2000] q
[ar1]interface GigabitEthernet 0/0/2
[ar1-GigabitEthernet0/0/2]nat outbound 2000
配置ISP
[isp]interface GigabitEthernet 0/0/0
[isp-GigabitEthernet0/0/0]ip address 12.0.0.2 24
[isp-GigabitEthernet0/0/0]int l 10
[isp-LoopBack10]ip address 2.2.2.2 24
[isp-LoopBack10]q
主机
pc1
pc2
