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Catalyst 6500 Series Switch Command Reference—Release7.6
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Chapter2 Catalyst 6500 Series Switch and ROM Monitor Commands show trunk
Port Vlans allowed and active in management domain
-------- ---------------------------------------------------------------------
3/1 2
Port Vlans in spanning tree forwarding state and not pruned
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3/1
Console>
This example shows how to include information about extended-range VLANs:
Console> show trunk extended-range
Port Status Vlans allowed on trunk
-------- -------------- --------------------------------------
1/2 Trunking 1-1005, 2000-4094
2/2 Trunking 1-1005, 2100-4094
2/3 Non-Trunking 1-1005, 1025-2000, 3001-4094
............
Console>
Table 2 -94 describes the fields in the show trunk command outputs.
Related Commands set trunk
Table2-94 show trunk Command Output Fields
Field Description
Port Module and port numbers.
Mode Trunk administrative status of the port (on, off, auto, desirable, or
nonegotiate).
Encapsulation Trunking type configured by administration.
Status Status of whether the port is trunking or nontrunking.
Native vlan Number of the native VLAN for the trunk link (the VLAN for which
untagged traffic can be transmitted and received over the dot1q
trunk).
Vlans allowed on trunk Range of VLANs allowed to go on the trunk (default is 1 to 1000) .
Vlans allowed and active in
management domain Range of active VLANs within the allowed range.
Vlans in spanning tree
forwarding state and not
pruned
Range of VLANs that actually go on the trunk with Spanning Tree
Protocol forwarding state.
Peer-Port Peer connection information (module and port number of peer
connection, multiple, or unknown).
TrunkFramesTx Number of ISL/802.1Q frames transmitted on a port.
TrunkFramesRx Number of ISL/802.1Q frames received on a port.
WrongEncap Number of frames with the wrong encapsulation rece ived on a p ort .