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● 交换机命令show interfaces type 0/port_# switchport|trunk用于显示中继连接的配置情况，下面是显示例子： 2950# show interface fastEthernet0/1 switchport Name: fa0/1 Switchport: Enabled Administrative mode: trunk Operational Mode: trunk Administrative Trunking Encapsulation: dot1q Operational Trunking Encapsulation: dot1q egotiation of Trunking: Disabled Access Mode VLAN: 0 ((Inactive)) Trunking Native Mode VLAN: 1 (default) Trunking VLANs Enabled: ALL Trunking VLANs Active: 1,2 Pruning VLANs Enabled: 2-1001 Priority for untagged frames: 0 Override vlan tag priority: FALSE Voice VLAN: none 在这个例子中，端口fa0/1的链路模式被设置为 （56） 状态，默认的VLAN是 （57） 。 （56） A. Desirable B. No-Negotiate C. Auto negotiate D. trunk （57） A. VLAN0 B. VLAN1 C. VLAN2 D. VLAN3
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