Switch A(config-if)vlan static 10 Switch A(config-if)#interface ethernet 0/8 Switch A(config-if)vlan static 10 Switch A(config-if)#end Step6安排端口910,11,12到LAN20 2900 Switch A#configure termina Switch A(config)#interface fastethernet 0/9 Switch A(config-if)#switchport mode access Switch A(config-if)#switchport access vlan 20 Switch A(config-if)#interface fastethernet 0/10 Switch A(config-if)#switchport mode access Switch A(config-if)#switchport access vlan 20 Switch A(config-if)#interface fastethernet 0/1 Switch A(config-if)#switchport mode access Switch A(config-if)#switchport access vlan 20 Switch A(config-if)#interface fastetherneto/12 Switch A(config-if)#switchport mode access Switch A(config-if)#switchport access vlan 20 Switch a(conf fig-if)#end 1900: Switch A#configure terminal A (config)#interface ethernet 0/9 Switch A(config-if)vlan static 20 Switch A(config-if)#interface ethernet 0/10 Switch A(config-if)vlan static 20 Switch A(config-if)#interface ethernet 0/11 Switch A(config-if)vlan static 20 Switch A(config-if)#interface ethernet 0/12 Switch A(config-if)vlan static 20 Switch A(config-if)#end Step7显示VLAN接口信息 Switch a#show vlan Step8创建 2900: Switch A(config)#interface fastetherneto/1 Switch A(config-if)#switchport mode trunk Switch A(config-if)#switchport trunk encapsulation dotlq Switch A(config-if)#end 1900: Note the 1900 switch will only support ISL trunking, not dotle Switch A#configure terminal Switch A(config)#interface fastetherneto/26 Switch A(config-if)#trunk on Step9配置路由器Switch_A(config-if)vlan static 10 Switch_A(config-if)#interface ethernet 0/8 Switch_A(config-if)vlan static 10 Switch_A(config-if)#end Step 6 安排端口910，11，12到VLAN 20 2900： Switch_A#configure terminal Switch_A(config)#interface fastethernet 0/9 Switch_A(config-if)#switchport mode access Switch_A(config-if)#switchport access vlan 20 Switch_A(config-if)#interface fastethernet 0/10 Switch_A(config-if)#switchport mode access Switch_A(config-if)#switchport access vlan 20 Switch_A(config-if)#interface fastethernet 0/11 Switch_A(config-if)#switchport mode access Switch_A(config-if)#switchport access vlan 20 Switch_A(config-if)#interface fastethernet0/12 Switch_A(config-if)#switchport mode access Switch_A(config-if)#switchport access vlan 20 Switch_A(config-if)#end 1900: Switch_A#configure terminal Switch_A(config)#interface ethernet 0/9 Switch_A(config-if)vlan static 20 Switch_A(config-if)#interface ethernet 0/10 Switch_A(config-if)vlan static 20 Switch_A(config-if)#interface ethernet 0/11 Switch_A(config-if)vlan static 20 Switch_A(config-if)#interface ethernet 0/12 Switch_A(config-if)vlan static 20 Switch_A(config-if)#end Step 7 显示VLAN接口信息 Switch_A#show vlan Step 8 创建trunk 2900: Switch_A(config)#interface fastethernet0/1 Switch_A(config-if)#switchport mode trunk Switch_A(config-if)#switchport trunk encapsulation dot1q Switch_A(config-if)#end 1900: Note the 1900 switch will only support ISL trunking, not dot1q. Switch_A#configure terminal Switch_A(config)#interface fastethernet0/26 Switch_A(config-if)#trunk on Step 9 配置路由器