[c-nsp] CEF fun in SXF

Saku Ytti saku+cisco-nsp at ytti.fi
Tue Dec 13 01:23:31 EST 2005


On (2005-12-12 21:42 +0100), Gert Doering wrote:
 
> We recently ran into another interesting effect, where an out-of-memory
> problem triggered "%FIB-2-FIBDOWN: CEF has been disabled due to a low 
> memory condition." -- the box wasn't very busy anyway, so the MSFC should
> have managed to keep up.  Instead, we saw packet loss like crazy, which
> fits your description.
> 
> So it would have been nice to say "yes, we know the box will keep up
> with the current load, and tonight we will reboot it" instead of having
> to reboot at office hours...

Perhaps by disabling MLS completely and force all packets to MSFC
processing? 'no mls switching', never tried though.

-- 
  ++ytti


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