三层交换机=二层交换+三层路由转发
使用三层交换机组建网络
[Huawei]vlan batch 2 3
[Huawei]interface G0/0/2
[Huawei-GigabitEthernet0/0/2] port link-type access
[Huawei-GigabitEthernet0/0/2] port default vlan 2
[Huawei]interface G0/0/3
[Huawei-GigabitEthernet0/0/2] port link-type access
[Huawei-GigabitEthernet0/0/2] port default vlan 3 [Huawei]vlan 
