North American Network Operators Group
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Re: Mutual Redistribution
- From: Mark Smith
- Date: Wed Mar 29 03:19:17 2006
On Tue, 28 Mar 2006 16:37:48 -0500
Joe Maimon <jmaimon@ttec.com> wrote:
>
>
> Mark Smith wrote:
>
> > One better
> > solution is to take advantage of route tags or labels. When a route is
> > redistributed you tag it, and then when mutual redistribution occurs in
> > the other direction, you exclude routes that have that tag. You'd need
> > to do this in both redistribution directions, with different tags to
> > prevent loops in either direction. This method doesn't rely on the
> > behaviour of always increase metrics, so it would be more robust.
> >
> > HTH,
> > Mark.
> >
> I dont believe popular vendors implementations of rip propogate tags.
>
> At least the last time I tried loop prevention with that, it didnt work.
Did it happen to be RIPv1 ? Only RIPv2 supports route tags.
--
"Sheep are slow and tasty, and therefore must remain constantly
alert."
- Bruce Schneier, "Beyond Fear"
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