[c-nsp] 7204VXR NPE G1 Upgrade from 12.4 to 15.1M Issues

[Chris Gotstein]

I have a 7204VXR with NPE-G1 that is running 12.4.25f Advanced Services. 
This router is acting as our main connection to the internet running 
full BGP routing connected to 2 providers via ethernet.  I'm wanting to 
upgrade to 15.1M Advanced Services w/ LI.  After loading the router with 
IOS 15.1M, the router comes up correctly, all BGP sessions come up 
correctly and the routing table looks correct.  I can ping the outside 
world from the router.  When i try to access the internet from another 
station, all traffic dies at this router.  I can ping all interfaces on 
the router from any workstation.  I have sanitized configs for those 
that would like to see them.  This is a pretty basic setup, not doing 
anything fancy.  Soon as I load 12.4 back on the router and reload, 
everything comes back up just fine.  Any thoughts?

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Chris Gotstein, Network Engineer, U.P. Logon/Computer Connection U.P.
http://uplogon.com | +1 906 774 4847 | chris at uplogon.com