Ok, thanks. Got it. I think we need to reconfigure the 7600 routers to support BFD.
Thanks and regards, Xu Hu On 27 Feb, 2012, at 12:43, Mark Tinka <[email protected]> wrote: > On Monday, February 27, 2012 12:14:15 PM Xu Hu wrote: > >> Yes, i am referring the ospf hello-interval. >> In the 7609 IOS configuration, under the interface, we >> had the ospf configuration as bellow: >> >> "ip ospf dead-interval minimal hello-multiplier 3" >> if we configure this command, the ospf hello interval >> will be 333 msec. >> >> "Timer intervals configured, Hello 333 msec, Dead 1, Wait >> 1, Retransmit 5" > > So what you're talking about is the "OSPF Support for Fast > Hellos" feature from Cisco: > > http://www.cisco.com/en/US/docs/ios/12_0s/feature/guide/fasthelo.html > > > This feature combines the Hello Interval and Dead Interval, > along with some enhancements that make it behave like BFD in > a way. > > AFAICT, it's only supported in IOS (and perhaps, IOS XE). > You can tweak both the Hello and Dead Interval timers in IOS > XR, but they lack of the enhancements to enable fast > detection. > > For IOS XR, yes, BFD is your best bet. > > Mark. _______________________________________________ cisco-nsp mailing list [email protected] https://puck.nether.net/mailman/listinfo/cisco-nsp archive at http://puck.nether.net/pipermail/cisco-nsp/
