[c-nsp] BGP Router process - high cpu

[Pete Lumbis]

Take a look at this
http://www.cisco.com/en/US/tech/tk365/technologies_tech_note09186a00809d16f0.shtml

This is almost always due to route churn. Take a look at your routing
table (global and/or VRF) for routes that recently updated (show ip
route | i 0:00) and that might give you some clues as to where the
churn is coming from.

-Pete

On Tue, Oct 2, 2012 at 6:00 PM, CiscoNSP_list CiscoNSP_list
<cisconsp_list at hotmail.com> wrote:
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> Hi Guys,  High cpu from BGP router process started ~48 hours ago - Happens every 30 seconds (Cisco 7200, NPE-G2...."normal" load is 45->50% cpu)  #sh processes cpu sorted
> CPU utilization for five seconds: 86%/44%; one minute: 53%; five minutes: 50%
>  PID Runtime(ms)   Invoked      uSecs   5Sec   1Min   5Min TTY Process
>  289    20754676  99918606        207 35.12%  6.76%  5.68%   0 BGP Router          All peering sessions on the 7200 have uptime of years(Or many weeks), but I think it has to be due to a re-convergence?  Have the following configured under "address-family vpnv4" (This conf has always been on the 7200(years))...but the 30 second scan time matches the CPU spikes.    bgp scan-time import 10
>   bgp scan-time 30  Any suggestions on how to track down the cause?  Cheers.
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