关于使用什么命令可以查看到trunk链路是否起来？

ccnafasttrack

IOU1配置成了802.1q，IOU2的E1/1配置成了ISL，但是在两端使用show interface trunk命令检查的时候，statu依旧为trunk，请问这是肿么回事？
IOU1#  show inter trunk

Port        Mode             Encapsulation  Status        Native vlan
Et1/1       on               802.1q         trunking      1

Port        Vlans allowed on trunk
Et1/1       1-4094

Port        Vlans allowed and active in management domain
Et1/1       1

Port        Vlans in spanning tree forwarding state and not pruned
Et1/1       1
IOU1#show interface e1/1 sw
IOU1#show interface e1/1 switchport
Name: Et1/1
Switchport: Enabled
Administrative Mode: trunk
Operational Mode: trunk
Administrative Trunking Encapsulation: dot1q
Operational Trunking Encapsulation: dot1q
Negotiation of Trunking: On
Access Mode VLAN: 1 (default)
Trunking Native Mode VLAN: 1 (default)
Administrative Native VLAN tagging: enabled
Voice VLAN: none
Administrative private-vlan host-association: none
Administrative private-vlan mapping: none
Administrative private-vlan trunk native VLAN: none
Administrative private-vlan trunk Native VLAN tagging: enabled
Administrative private-vlan trunk encapsulation: dot1q
Administrative private-vlan trunk normal VLANs: none
Administrative private-vlan trunk associations: none
Administrative private-vlan trunk mappings: none
Operational private-vlan: none
Trunking VLANs Enabled: ALL
Pruning VLANs Enabled: 2-1001
Capture Mode Disabled
Capture VLANs Allowed: ALL

Appliance trust: none
IOU1#
IOU2#show inter trunk

Port        Mode             Encapsulation  Status        Native vlan
Et1/1       on               isl            trunking      1

Port        Vlans allowed on trunk
Et1/1       1-4094

Port        Vlans allowed and active in management domain
Et1/1       1

Port        Vlans in spanning tree forwarding state and not pruned
Et1/1       none
IOU2#show interface e1/1 sw
IOU2#show interface e1/1 switchport
Name: Et1/1
Switchport: Enabled
Administrative Mode: trunk
Operational Mode: trunk
Administrative Trunking Encapsulation: isl
Operational Trunking Encapsulation: isl
Negotiation of Trunking: On
Access Mode VLAN: 1 (default)
Trunking Native Mode VLAN: 1 (default)
Administrative Native VLAN tagging: enabled
Voice VLAN: none
Administrative private-vlan host-association: none
Administrative private-vlan mapping: none
Administrative private-vlan trunk native VLAN: none
Administrative private-vlan trunk Native VLAN tagging: enabled
Administrative private-vlan trunk encapsulation: dot1q
Administrative private-vlan trunk normal VLANs: none
Administrative private-vlan trunk associations: none
Administrative private-vlan trunk mappings: none
Operational private-vlan: none
Trunking VLANs Enabled: ALL
Pruning VLANs Enabled: 2-1001
Capture Mode Disabled
Capture VLANs Allowed: ALL

Appliance trust: none
IOU2#

Stunner

你的命令已经看到trunk 是否开启了啊，就这个sh int trunk