I have a PIX with multiple interfaces. Obviously there is an Inside, which is 10.x.x.x and the Outside faces the Internet.  PAT is being done with a "nat (inside) 1 10.0.0.0" command and a "global 1 interface" on Outside.  There are also DMZ's on two...

I have 2 6500 running in VSS.  Connected to it is one 4500 with PAgP port-channel with 4 links(no problems)I also have a 4948 with 2 GB links in a PAgP MEC coming back to the VSS pair, machines connected to this switch are the ones having issues.When...