I have not messed with IS-IS in a while. But checked to make sure default-information originate is there or redistribute if you are using some other protocol to get your default.
Thanks, Otis Justin Shore wrote: > During maintenance last night we somehow lost the IS-IS default route on > all our access edge routers. The default is originated on 2 borders > which are connected to a pair of 7613s. The 7613s were propagating that > default route to all the other IS-IS devices and to another POP. We're > one big L2 domain on all devices. This worked perfectly until last > night. The edge devices are seeing the default (this can be seen in the > database) but it is not being installed in the RIB for some reason. Any > ideas? > > IS-IS Level-2 Link State Database: > LSPID LSP Seq Num LSP Checksum LSP Holdtime ATT/P/OL > 7206-1.clr.00-00 0x00000157 0x2DF5 59275 0/0/0 > Area Address: 49.0010 > NLPID: 0xCC > Hostname: 7206-1.clr > IP Address: 10.64.0.1 > Metric: 100 IP 10.64.0.128/31 > Metric: 100 IP 10.64.0.130/31 > Metric: 100 IS-Extended 7206-1.clr.04 > Metric: 100 IS-Extended 7206-1.clr.03 > Metric: 0 IP 0.0.0.0/0 > Metric: 10 IP 10.64.0.1/32 > Metric: 10 IP 64.71.98.59/32 > 7206-1.clr.03-00 0x0000006C 0x809E 14112 0/0/0 > Metric: 0 IS-Extended 7206-1.clr.00 > Metric: 0 IS-Extended 7613-1.clr.00 > 7206-1.clr.04-00 0x0000006E 0xB655 10927 0/0/0 > Metric: 0 IS-Extended 7206-1.clr.00 > Metric: 0 IS-Extended 7613-2.clr.00 > > I'm manually installing static defaults to work around the problem. I > also noticed that Lo0 on the 2 borders are no longer being installed in > each other's RIB. There is general flakiness all around. We're running > SRB on the Sup720-3BXLs. > > Thanks > Justin > > _______________________________________________ > 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/
