Re: Regarding source based outbound routing (with redundancy)

[joel jaeggli <joelja () bogus com>]

On Oct 5, 2013, at 9:45 AM, Christopher Morrow <morrowc.lists () gmail com> wrote:

> you really don't want to do policy routing :(

PBR has this tendency to be brittle in the face of topology changes.

There are much better way to outbound load-balance between providers offering same or similar quality routes to the 
same destination.

multi-AS multipath will do that if the peers are on the same router. BGPaddpath can do it for you if the peers are 
spread across routers.

joel

> On Sat, Oct 5, 2013 at 12:19 PM, Anurag Bhatia <me () anuragbhatia com> wrote:
> > Hello there!
> >
> >
> > I am trying to do a source based outbound routing between multiple
> > upstreams. Usually I picked outbound via localpref but here I wish to use
> > Provider 1 for say 10.10.10.0/24 while provider 2 for small chunk of it say
> > 10.10.10.0/28. I wish to keep failover support and thus so if provider 2
> > fails, I wish to push traffic again via Provider 1.
> >
> > Is this is possible only with VRF or I can push for some specific match
> > rule in route maps?
> >
> >
> >
> > Thanks.
> >
> > --
> >
> >
> >
> > Anurag Bhatia
> > anuragbhatia.com
> >
> > Linkedin <http://in.linkedin.com/in/anuragbhatia21> |
> > Twitter<https://twitter.com/anurag_bhatia>
> > Skype: anuragbhatia.com

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