Mutual Redistribution

Wed Mar 29 08:16:49 UTC 2006

On Tue, 28 Mar 2006 16:37:48 -0500
Joe Maimon <jmaimon at 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"