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show interface trunk

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Command

Show Interface-Trunk

Use

Displays the trunk information on the switch.

Syntax

Switch#show interface trunk

Example

Here's the output of show interface trunk for SW3.

SW3#show interface trunk

Port Mode Encapsulation Status Native vlan
Fa0/19 auto n-802.1q trunking 1
Fa0/20 auto n-802.1q trunking 1
Fa0/21 auto n-802.1q trunking 1
Fa0/22 auto n-802.1q trunking 1

Port Vlans allowed on trunk
Fa0/19 1-4094
Fa0/20 1-4094
Fa0/21 1-4094
Fa0/22 1-4094

Port Vlans allowed and active in management domain
Fa0/19 1,10-20,55,99,555
Fa0/20 1,10-20,55,99,555
Fa0/21 1,10-20,55,99,555
Fa0/22 1,10-20,55,99,555

Port Vlans in spanning tree forwarding state and not pruned
Fa0/19 none
Fa0/20 none
Fa0/21 1,10-11

Port Vlans in spanning tree forwarding state and not pruned
Fa0/22 none



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