[c-nsp] 7206VXR NPE-G1 Upgrade from 12.4 to 15.0 High CPU

[Chris Gotstein]

Decided to move from IOS 12.4 to 15.0 (15.0(1)M7) on a 7206VXR with 
NPE-G1.  Since doing the upgrade, i've seen increased CPU usage in the 
IP Input process.  The configuration remained the same after the 
upgrade.  Verified CEF on all interfaces.  Followed troubleshooting docs 
on Cisco's site, as well as searching the archives of nsp.  Not able to 
find any info to help troubleshoot this issue.  This is an edge router 
connecting to our 2 upstream providers, taking full BGP routes.  As of 
4am (CST), traffic is pretty much dead, less than 20Mbs going through, 
and CPU usage is at 35%.  Normally it's around 10% for this time of 
night.  Any ideas of what could be going on?  I haven't downgraded the 
IOS just yet, hoping to see if i might have missed something easy.  Thanks,

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