Same VLAN on switchports and a gigabitethernet port i a router

Unanswered Question
Feb 28th, 2007


I have a 3825 with a NM-ESW-16 switch module.

Is it possible to let one of the GigabitEthernet (Gig0/0) port to be a part of a VLAN defined in the switch.


I have this problem too.
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Yongbing WU Wed, 02/28/2007 - 12:12

There is a way.

Suppose all switch ports are in vlan 1. Put switch vlan 1 and Gi0/0 into same bridge group. Configure IRB. I tested the configuration in a 1841 router and it worked.

Please be noted that 1841 only have fa0/0 and integrated switch has only 4 ports. There is no Giga port to test.

Hope this helps.


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