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Re: GSR and bgp maximum-paths

  • From: Jon Allen Boone
  • Date: Thu Mar 29 19:52:06 2001

Rob Evans <rhe@noc.ten-155.net> writes:

> > Is anyone else have any problems with "maximum-paths" on a GSR and if yes,
> > what release of IOS? Any other issues I should be aware of?
> 
> It may not affect you (given you are running 12.0(10)S), but having
> maximum-paths set to something other than 1 can cause problems on
> Engine 2 linecards.  The result is that the CEF IPC Background
> process eats all available linecard CPU.  Packet forwarding is not
> directly affected, but it can mean that the CEF tables take a long
> time to converge after a routing flap.
> 
> As far as I am aware the bug was introduced around 12.0(13.6)S, and
> has not been fixed in any releases so far.

  BugTrack ID?

-tex
--------------------------------------------------
Jon 'tex' Boone                     (610) 466-0477
tex@delamancha.org           http://delamancha.org
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