show interfaces trunk
SafeTrunk inspection
show interfaces trunk
Shows allowed vs actually forwarding VLANs on trunks — find the missing VLAN when one segment is dark.
Examples
show interfaces trunkCompare allowed and active VLANs
Syntax
show interfaces trunk
Before you run it
Read only.
Used when you see
VLAN misconfiguration
2
See the whole flow →Check the VLAN is allowed and forwarding on trunksA missing allow entry darkens exactly one VLAN.
Related commands
- show vlan briefVLAN assignment
- switchportConfigure port VLANs
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