Pat,Below is a snippet of what I set up on the 2951. As for the switch module, I just made port G0/26 a trunk port with a native vlan 2. Also, G2/0 is the layer 3 interface you need to create sub-interfaces on due to G2/1 being a layer 2 interface w...

Pat,Good news - I was able to create sub-interfaces on the 2951 G2/0. After trunking G0/26 on the switch module, I could get traffic to pass. I guess I was being too IA minded by changing the native VLAN on the router interface. It appears that is t...

Pat,The way I have had a 3825 with switch module set up for the last couple of years is with sub-interfaces on the router and a trunk port on the switch module. I want to keep this same set up, if possible, for the 2951 just for the ease for my outl...

That's the way I have it configured. If anyone knows how to get the sub-interfaces on g2/0 to work, please chime in. I am at a loss as I was able to do so with my 3825. The difference I see with the 2951 is the 2 backplane interfaces to the switch mo...