Thanks Alexander, I should have mentioned I did wait for over 15mins and still nothing.
Also, not sure if this makes a difference but the routes are being learned by two separate RIPng processes. Cheers James On Sun, Apr 15, 2012 at 5:32 PM, Alexander Halim <[email protected]>wrote: > I think you need to wait as long as hold time before the worse route is > installed in the RIB. > > Regards, > Alexander Halim > > On Apr 15, 2012, at 2:17 PM, James Roc <[email protected]> wrote: > > > Hi All, > > > > I have a query regarding RIPng convergence (possibly same issue on RIPv2 > as > > well). A router is receiving route1 and route2 via two separate > interfaces > > and the router selects the route with the lowest metric, lets say route1. > > > > When I increase the metric of route1 to be higher than route2, the router > > does not switch over to use route2. > > > > It notes the worse metric in a syslog message but does not swith over to > > the better route: > > > > *Mar 1 01:50:10.595: IPv6RT0: rip cisco275, Route add > > 2000:1:1:1100::/64 [*worse > > metric 6,* 2] > > > > show ipv6 rip database output: > > > > 2000:1:1:1100::/64, *metric 6, installed* > > Serial1/0.1/FE80::2, expires in 167 secs > > 2000:1:1:1100::/64, *metric 3* > > Tunnel1/FE80::C008:6FF:FE89:0, expires in 169 secs > > > > The only way I can get it to switch over is to clear the route table. > > > > On the flip side, if I modify the metric of the worse route to be the > best, > > then the routing table flips over automatically. > > > > So it looks when the metric of an installed route is increased, there is > no > > preemptive switch. > > > > However, when the metric of a worse route is decreased to be the best, > then > > the routing table is updated with the new route. > > > > Is this the expected operation of RIP? > > > > Cheers > > James > > _______________________________________________ > > For more information regarding industry leading CCIE Lab training, > please visit www.ipexpert.com > > > > Are you a CCNP or CCIE and looking for a job? Check out > www.PlatinumPlacement.com > > > > http://onlinestudylist.com/mailman/listinfo/ccie_rs > _______________________________________________ For more information regarding industry leading CCIE Lab training, please visit www.ipexpert.com Are you a CCNP or CCIE and looking for a job? Check out www.PlatinumPlacement.com http://onlinestudylist.com/mailman/listinfo/ccie_rs
