Date: Wed, 8 Feb 2006 13:50:36 -0500 From: "Webster, Andrew" <awebster@connectalk.com> To: <danial_thom@yahoo.com>, "Ian Lord" <lordi@msdi.ca>, <freebsd-questions@freebsd.org> Subject: RE: Multiple routes to same destination? Message-ID: <9D61D69E3C1F7F459C5513AD830EE2192BC29E@mtlex01.connectalk.com>
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Well, in that case, an ISP wouldn't want to use FreeBSD in their core rou=
ters :( :(
In this particular case, I have redundant links (L1 and L2) between two l=
ocations (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 act=
ive entry, the all the traffic for would either go on R1->L1->R4 or R2->L=
2->R3, but not both.
Loc 1___ /---R1--L1--R4---\___ Loc 2
\---R2--L2--R3---/
Andrew=20
-----Original Message-----
From: Danial Thom [mailto:danial_thom@yahoo.com]=20
Sent: Wednesday, February 08, 2006 13:39
To: Webster, Andrew; Ian Lord; freebsd-questions@freebsd.org
Subject: RE: Multiple routes to same destination?
According to Ted this won't work anyway, since he
claims that all ISPs source filter and won't let
any source addresses other than theirs through.
So maybe that's why they've never done it?
--- "Webster, Andrew" <awebster@connectalk.com>
wrote:
> I am using Zebra, but it will only keep one
> route to the same destination in the routing
> table at any given time, even if there is more
> than one valid path :( :(
> I know that Linux has this built-in, and more
> searching of the 'Net after posting my initial
> question revealed that multipath routing is in
> fact something that many people have been
> asking for since FreeBSD 3.x. I was hoping it
> would have been built into FreeBSD 6 by now.
>=20
>=20
> Andrew Webster
> Directeur des technologies
> Director of Technology
> ConnecTalk Inc.
> 125 Gagnon, Suite 202
> Saint-Laurent, QC H4N 1T1
> Tel: 514-856-3060
> Fax: 514-856-2988
>=20
>=20
> -----Original Message-----
> From: owner-freebsd-questions@freebsd.org
> [mailto:owner-freebsd-questions@freebsd.org] On
> Behalf Of Ian Lord
> Sent: Tuesday, February 07, 2006 07:22
> To: freebsd-questions@freebsd.org
> Subject: Re: Multiple routes to same
> destination?
>=20
> Hi,
>=20
> this is not a scientific answer, but since no
> one=20
> else replied, here is what I found a while
> ago...
>=20
> When I installed Freebsd 6, i did a lot of=20
> reseach/posting and found out that there is no=20
> way freebsd will handle multiple routes to the
> same destination
> I was hoping to have two default routes for=20
> redundancy (and if possible, load balancing)
>=20
> I never heard of a kernel patch, and if there
> was=20
> one, I wouldn't feel confident with it (just my
> opinion)
>=20
> I then went with a routing package (there is=20
> zebra and quagga) which kinda did the trick. (I
>=20
> used quagga since I had some problem setting up
> zebra from the ports).
>=20
> It works fine but adds a level of routing that=20
> could have been handled by the kernel I guess.
>=20
>=20
>=20
> At 20:51 2006-02-06, Webster, Andrew wrote:
> >Hi,
> >
> >
> >
> >Does FreeBSD 5.x, or 6.0 support multiple
> routes to the same
> >destination?
> >
> >I saw some kernel patches a while back for
> this on 4.x, but I'd like to
> >run something more recent...
> >
> >
> >
> >Thanks!
> >
> >
> >
> >Andrew
> >
> >
>
>_______________________________________________
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>
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>=20
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> Ian Lord
> MSD Informatique
> 1711 Mont=E9e Major Terrebonne (Qu=E9bec) J7M 1E6
> T=E9l.: (514) 776-MSDI -> (514)
> 776-6734
> Sans Frais: 1(877) 776-MSDI -> 1(877)
> 776-6734
> http://www.msdi.ca=20
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>
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>=20
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>=20
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