I've never tried it, but you might be able to create a MLS rate limiter/CoPP policy to drop all the FIB Miss packets from being punted and try to reset the HW CEF table and see if that works. I doubt it will, but in a pinch it could be worth a try.
On Mon, Feb 3, 2014 at 9:09 AM, "Rolf Hanßen" <[email protected]> wrote: > Hi, > > today I saw 2x Sup720-3B (default 192K IPv4 routes) that received a full > table. > After FIB was filled IOS gave a warning that it now may forward in > software (and resetted all BGP sessions because of memory issues). I don't > have the exact messages. > > The real problem occured after that. I shut the full table BGP session and > cleared the others, the system now had a few routes only again. > > But it started to drop packets, I saw no pattern, it looked nearly random. > I needed to reboot both boxes to resolve that issue. > > IOS was s72033-advipservicesk9_wan-mz.122-33.SXJ.bin > > Is there a way to avoid those issues by let it just ignoring routes not > matching into the FIB? > Is there a command to reset the routing mode/routes back to CEF without > reloading the box? > > kind regards > Rolf > > _______________________________________________ > cisco-nsp mailing list [email protected] > https://puck.nether.net/mailman/listinfo/cisco-nsp > archive at http://puck.nether.net/pipermail/cisco-nsp/ > _______________________________________________ cisco-nsp mailing list [email protected] https://puck.nether.net/mailman/listinfo/cisco-nsp archive at http://puck.nether.net/pipermail/cisco-nsp/
