Have you checked the Cisco bugtool for your hardware/IOS? Regards Roger
On Wed, Sep 22, 2010 at 11:20 AM, Paul Stewart <[email protected]> wrote: > We did reboot the equipment and no difference - it's also older sup2 based > 6500 there....;) > > -----Original Message----- > From: [email protected] > [mailto:[email protected]] On Behalf Of Phil Mayers > Sent: September-22-10 3:40 AM > To: [email protected] > Subject: Re: [c-nsp] Weird Traceroute Issue to Specific Destination > > On 09/21/2010 08:48 PM, Paul Stewart wrote: >> Ok... so here's the latest. >> >> I put a static route at our Internet edge - we redistribute static into > OSPF >> so now this /32 destination is able to be seen in the routing table (other >> than the default originated route). This solves the issue if I statically >> assign it the next hop (which is their ISP that we peer directly with via >> LINX exchange point). I don't like this solution though because if there >> was ever an issue with the static next-hop it would never fail over ... > plus >> I don't see *why* I should have to do this in order to find the problem ;) >> >> I pulled the static out and same problem re-occurs... any thoughts? > > That smells awfully like hardware FIB corruption. Have you / can you > reload the box? Or get a TAC engineer on the line - I've had pretty good > results with that; they usually ELAM the faulty traffic, then inspect > the ELAM headers to tell them what FIB entry is really matching the > traffic, then work from there. Slow process, though... > > Actually clearing FIB corruption on the PFC3 platform seems to be > tricky; the things you think would work (clear ...) never seem to. I've > only ever managed to clear it by "shut/no shut" of the suspect SVIs, and > even then only some of the time. > > (We've seen 4-5 FIB corruption issues on sup720 w/ recent IOSes, on > different routers) > _______________________________________________ > 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/ > _______________________________________________ cisco-nsp mailing list [email protected] https://puck.nether.net/mailman/listinfo/cisco-nsp archive at http://puck.nether.net/pipermail/cisco-nsp/
