Date: Sat, 24 Jun 2006 00:53:21 +1000 From: "Christopher Martin" <outsidefactor@iinet.net.au> To: "'Claudio Jeker'" <cjeker@diehard.n-r-g.com> Cc: freebsd-net@freebsd.org Subject: RE: Multiple routes to the same destination Message-ID: <51n3a6$otinia@iinet-mail.icp-qv1-irony3.iinet.net.au> In-Reply-To: <20060623142803.GG12611@diehard.n-r-g.com>
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> -----Original Message----- > On Behalf Of 'Claudio Jeker' > Sent: Saturday, 24 June 2006 12:29 AM > > Most implementation do a per source/dst IP address hashing which should > result in a similar distribution. > > OpenOSPFD will learn to cope with multipath routes in the next few weeks > but it will only work on OpenBSD. That's good news. Maybe I should take another look at OpenBSD, especially since the SMP support's a few years old now and pretty stable. > > Multipath setups are harder to debug as packets may flow differently. > Often it is easier to use a layer 2 trunk to aggregate links. It depends > on your network layout, etc. One place I am implementing OSPF in community wireless networks. We have a few sections of network that are very stable and have diverse paths. We currently have a lot of success with failover, but at times it seems a waste to have idle paths when others running in the same direction. Not that I wasn't expecting the difference in arrival time of packets not to effect performance in that scenario, but not to the extent you suggest. I guess we could stick with OpenWRT routers, but it would have been so nice to move in more BSD! > I hope that we can get more routing stuff done in the next few weeks but > the way routing is implemented in BSD makes it harder then necessary. > I bet andre@ will start to port features to FreeBSD as soon as the > stabilised in OpenBSD. I guess I will go and try it out on OpenBSD. If nothing else it's one more install being tested and making a more compelling argument to merge it into FreeBSD. I look forward to seeing what is on its way.
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