需求PC1 PC2 可以与Server 通信但PC1 PC2 之间不能通S1vlan 10vlan 20vlan 30查看 display port vlan e0/0/3 active默认混合接口是VLAN 1 也只允许VLAN 1 通过UNTAG 将标签去掉之后再发出去接口放到相应的VLANS1: int e0/0/1 port link-type hybrid port hybrid pvid vlan 10 int e0/0/2 port link-type hybrid port hybrid pvid vlan 20 int e0/0/3 port link-type hybrid port hybrid pvid vlan 30 允许相应的VLAN 经过 int e0/0/1 port hybrid untagged vlan 10 30 int e0/0/2 port hybrid untagged vlan 20 30 int e0/0/3 port hybrid untagged vlan 10 20 30测试一下满足要求两台PC 之间不通PC 与Server 之间通