Guessing the specific module you used on the 3945 was this one zrob_12
-- »
www.cisco.com/en/US/prod ··· 808.html ?
In which case, it states specifically in the datasheet it does layer 2 function only which we've already said the
ASR's inbuilt GE ports do not do.
If you want to do subint / dot1q encap, meta
just gave you a sample config a couple posts above already.
Regards