I've not had much chance to play with it but will Ethernet CFM not work for this?
On Wed, 2009-02-04 at 08:49 +1000, David Hughes wrote: > Yup, that's exactly the situation. STP will work around some of the > problem caused by this but if you are presenting an etherchannel over > multiple xconnects you can't pick up the link failure of part of the > etherchannel without UDLD. We did some initial proof of concepts with > 2900s running 2 second timers and it was great. Imagine the look on > my face when we found out that 6500s don't have the functionality of a > $1,000 access switch ..... > > So, is the config option on SXI still 7 seconds at best? > > > Thanks > > David > ... > > > On 03/02/2009, at 7:45 PM, Thomas Dupas wrote: > > > I assume it's a L2 link (EoMPLS), so BFD won't help much. > > > > We're in the same situation, also stuck with UDLD timers and 2 > > parallel EoMPLS xconnects. I can't get the convergence lower then 20 > > seconds with the default UDLD, so I'm also hoping for fast UDLD > > > > Best Regards, > > > > Thomas > > > > ________________________________________ > > Van: [email protected] [[email protected] > > ] namens Gert Doering [[email protected]] > > Verzonden: dinsdag 3 februari 2009 8:15 > > Aan: David Hughes > > CC: Cisco NSP ((E-mail))' > > Onderwerp: Re: [c-nsp] Fast UDLD timers in SXI? > > > > Hi, > > > > On Tue, Feb 03, 2009 at 04:30:50PM +1000, David Hughes wrote: > >> Can someone verify if 12.2(33)SXI offers fast UDLD timers (i.e. down > >> to 1 second) or if we are still stuck with the old 7 sec timers. We > >> can do 1 sec UDLD on 2900 class switches so I hope we see it in the > >> "premier switching platform" some time soon. We need some way to > >> pick > >> up a link failure at the far end of an EoMPLS xconnect in a > >> reasonable > >> time. > > > > Can you use BFD? > > > > (Yes, this is not answering your question - I don't know the answer > > - but > > it might be an alternative approach if this a layer 3 link) > > > > gert > > -- > > USENET is *not* the non-clickable part of WWW! > > > > //www.muc.de/~gert/ > > Gert Doering - Munich, Germany > > [email protected] > > fax: +49-89-35655025 > > [email protected] > > _______________________________________________ > 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/
