I have seen an interesting one as well... I had a 7606 with a sup32 out of sync once, and any input from the console port (or sometimes just on it's own) it would halt the switch processor and force a reboot... I'd suggest you make sure the SP and RP are always in sync :)
Chris On Sun, Aug 31, 2008 at 10:44 AM, Richard A Steenbergen <[EMAIL PROTECTED]>wrote: > On Sun, Aug 31, 2008 at 03:28:18PM +0200, Mikael Abrahamsson wrote: > > On Sun, 31 Aug 2008, Brett Clausenhauf wrote: > > > > >Can anybody who might know advise? It would be very much appreciated.. > > > > I had a similar issue back in SXE days (2+ years ago) where the conf-reg > > would get out of sync between modules on the Sup720-3bxl (it would show > > conf-reg 0x2102 in IOS, but rebooting would go into rommon). > > > > To fix it, I would simply do a conf-reg 0x2102 and "wr" in regular config > > mode, which seemed to set this conf-reg on all modules, making the > problem > > go away. > > I've seen a couple really cool side-effects from an out-of-sync config > register between RP and SP... For example, I was once rebooting a sup720 > to change the cef maximum-routes tcam partitioning, and as soon as it > would boot back up it would install a "reboot in 10 minutes" rule, > like what Jared mentioned here: > > http://puck.nether.net/pipermail/cisco-nsp/2006-October/035266.html > > After sitting through a lot of automatic reboots and trying everything > known to man to stop them, I finally found the problem was a desynced > config-register that you couldn't see from IOS at all (you had to start > a shell on the SP to see it), which caused the SP to not process the > RP's new tcam partition config. Apparently there was some edge condition > which might need you to reboot twice to fully update the SP, so Cisco > just wrote code to automatically reboot if the SP wasn't updated > correctly. Combine that with an out-of-sync config-register and you've > got lots of endless rebooting fun. :) > > -- > Richard A Steenbergen <[EMAIL PROTECTED]> http://www.e-gerbil.net/ras > GPG Key ID: 0xF8B12CBC (7535 7F59 8204 ED1F CC1C 53AF 4C41 5ECA F8B1 2CBC) > _______________________________________________ > 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/
