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finding unused vlans assigned to a port

finding unused vlans assigned to a port

troy_alan
New Contributor II
Is the "show fdb port x" command a fair way to figure out what vlans don't need to be tagged on that port?
5 REPLIES 5

jeronimo
Contributor III


If the FDB does not contain an entry for a VLAN then that all devices on that VLAN on that port are currently quiet (or there are no devices). So in short no, it is not a 100% guarantee.
GTM-P2G8KFN