Now, about the difference: there really isn't any from a functional stand point; but if you choose to use a NM there may be additional HW considerations when it comes to PVDM card distribution between the motherboard's PVDM slots and the NMs slots. H...
VIC3 cards can be inserted in both NMs and chassis HWICs. I don't believe you need PVDM3 cards specifically to support them but a recent IOS is required (anything in the 15T should be good). You may want to go through these two links:http://www.cisco...
Jason it sounds like you have an overlapping route/translation/dn pattern in your network. The easiest way find it would be by using the DNA (Dialed Number Analyzer). You can find it under Serviceability/Tools. (If you don't see it there you probably...