Date: Thu, 9 Feb 2006 11:03:11 -0500 From: "Webster, Andrew" <awebster@connectalk.com> To: "Julian Elischer" <julian@elischer.org>,"Qing Li" <qingli@freebsd.org> Cc: freebsd-net@freebsd.org, freebsd-questions@freebsd.org Subject: RE: Multiple routes to same destination Message-ID: <9D61D69E3C1F7F459C5513AD830EE2192BC2AA@mtlex01.connectalk.com>
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>=20 > Qing Li wrote: >=20 > I use mpd to greate one VPN between the sites, using Multilink PPP, so > that > data is sent across both links (eitehr round-robon or split packet). > I use MPD's udp transport mode to open two UDP sockets > and send packets from R1 to R4 and from R2 to R3 (in the diagram below). > MPD will automatically detect if on e link is down and redirect > everything through the remaining link. Sounds like a good idea, but would that not cause the MTU to get smaller due to the overhead of a MPPP link? =20 Windoze hosts have a horrible time with MTU detection! >=20 > > I have a private patch that's based on radix_mpath for FreeBSD 5.4. > > I believe andre@freebsd.org is working on a solution. > > > > -- Qing > > > > > >-----Original Message----- > >From: owner-freebsd-questions@freebsd.org [mailto:owner-freebsd- > questions@freebsd.org] On Behalf Of Webster, Andrew > >Sent: Wednesday, February 08, 2006 10:51 AM > >To: danial_thom@yahoo.com; Ian Lord; freebsd-questions@freebsd.org > >Subject: RE: Multiple routes to same destination? > > > >Well, in that case, an ISP wouldn't want to use FreeBSD in their core > routers :( :( > > > >In this particular case, I have redundant links (L1 and L2) between two > locations > >(Loc 1 and Loc 2) with two FreeBSD routers at each location (R1/R2, and > R3/R4) > >which are running OSPF to redistribute routing information between > locations. > >Since FreeBSD limits the entries for a particular network to only one > active entry, > >the all the traffic for would either go on R1->L1->R4 or R2->L2->R3, but > not both. > > > >Loc 1___ /---R1--L1--R4---\___ Loc 2 > > \---R2--L2--R3---/ > > > > > >Andrew > > > >_______________________________________________ > >freebsd-net@freebsd.org mailing list > >http://lists.freebsd.org/mailman/listinfo/freebsd-net > >To unsubscribe, send any mail to "freebsd-net-unsubscribe@freebsd.org" > > > > > _______________________________________________ > freebsd-questions@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-questions > To unsubscribe, send any mail to "freebsd-questions- > unsubscribe@freebsd.org"
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