Use the show command in the l2ports context to display port information for the Wireless Appliance.
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EWC.extremenetworks.com# l2ports EWC.extremenetworks.com:l2ports# show Status Enable Port MAC Untagged Vlan Tagged Vlan UP enable esa0 00:21:9B:98:B7:07 30 4,5,3,7,8,211 UP enable esa1 00:1B:21:40:58:D0 4093 UP enable esa2 00:1B:21:3B:EF:02 4089 DOWN enable lag1 00:1B:21:40:58:D0 30 4,5,3,7,8,211 UP enable admin 00:21:9B:98:B7:05
The VLAN Service field specifies the VLAN IDs set on bridged at controller topologies for the specific physical port (in this case esa0).