下面是显示交换机端口状态的例子：2950# show interface fastEthernet0/1 switchportName: fa0/1Switchport:EnabledAdministrative mode: trunkOperational Mode: trunkAdministrative TrunkingEncapsulation: dot1qOperational TrunkingEncapsulation: dot1qNegotiation of Trunking:DisabledAccess Mode VLAN: 0 ((Inactive))Trunking Native Mode VLAN: 1 (default)Trunking VLANsEnabled:ALLTrunking VLANsActive: 1, 2Pruning VLANsEnabled: 2-1001Priority for untagged frames: 0Override vlan tag priority: FALSEVoice VLAN: none　　在以上显示的信息中，端口fa0/1的链路模式被设置为(60)，默认的VLAN为(61)。