is it possible to combine two SM-ES3G-24-P: into same vlan / subnet
We have a 3925 with (2) SM-ES3G-24-P: modules that is supposed to replace an existing 1941 and 2960-S 48 port switch.
I would like to keep the VLAN, addressing, routing the same as it currently is, but I am not sure if it is possible to combine these (2) SM-ES3G-24-P: modules on the router to look like (1) 48 port switch so all the ports on both modules are on the same vlan and under the same subnet. The router shows the 2 modules under 2 separate interfaces (i.e. Gig1/0 and gig 2/0)
The router will not allow both modules to be in the same subnet... is there something I am missing or is it impossible to combine these so I have 48 ports in the same subnet?
Re: is it possible to combine two SM-ES3G-24-P: into same vlan /
Managed to figure it out... You need to create a BVI and put the IP for the subnet there. Then config encap dot1q under the gig port for the modules and specify the vlan number and then add those ports to the BVI.
For example... this will create 2 vlans (Data - 13 & VoIP - 18) that can be used across both switch modules:
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