Date: Sat, 18 Jun 2005 22:14:32 +0200 From: Jose M Rodriguez <josemi@freebsd.jazztel.es> To: freebsd-stable@freebsd.org Cc: Michal Vanco <vanco@satro.sk> Subject: Re: Routes not deleted after link down Message-ID: <200506182214.33279.josemi@redesjm.local> In-Reply-To: <200506190004.48066.vanco@satro.sk> References: <51688.147.175.8.5.1119105461.squirrel@webmail.satronet.sk> <42B46C9B.7000206@mac.com> <200506190004.48066.vanco@satro.sk>
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El Domingo, 19 de Junio de 2005 00:04, Michal Vanco escribi=F3: > On Saturday 18 June 2005 20:48, Chuck Swiger wrote: > > Michal Vanco wrote: > > > i discovered that routes are not deleted from routing table after > > > link on interface goes down. For example: > > > > [ ... ] > > > > > Should't all routes via bge0 be deleted after link on bge0 goes > > > down? > > > > Maybe. If the system was not going to be reconnected to that > > network anytime soon, it would be a good idea. On the other hand, > > if the link down was due to a transient failure of a wireless > > connection, which will be back up in a second or two, it's much > > better not to drop the route and kill any open connections. > > hmm ... this approach is may be appropriate for deskop instalation. > what about internet router? shouldn't "fast convergence" be better in > this case? imagine two links connected to the same router with > different metrics. if first of them goes down, the second never gets > used in this case. > > michal =46irst, this is a thread for net, not stable. Second, you may need a route daemon for this. ospf is a well known=20 canditate where convergence in case of lost link is a must. Also, you can monitor link status and do the switch from a daemon. =20 Userland ppp have more or less this. =2D- josemi
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