Re: BGP Multihomming issue...

for outbound traffic i am accepting default routes and then seting the
local preference for my prefered path and also useing policy base routing to
route some selected pool towards ISP2 worst ISP :)

Thanks a lot

On Wed, Oct 12, 2011 at 5:00 PM, Dufour, Andre <Andre.Dufour_at_paetec.com>wrote:

> OK....so you are using AS PATH to help dictate inbound flow....but what are
> you using to dictate outbound traffic (LP, weight)?
>
> Did you look at your routes in a public route server to see what was up
> with them (attributes, path, etc).?
>
>
> -----Original Message-----
> From: nobody_at_groupstudy.com [mailto:nobody_at_groupstudy.com] On Behalf Of
> Christian Hunter
> Sent: Wednesday, October 12, 2011 7:50 AM
> To: muhammad adnan
> Cc: ccielab_at_groupstudy.com
> Subject: Re: BGP Multihomming issue...
>
> *BGP will* look at the ages of the *routes* and use the *oldest route* to
> particular destination for stability
>
> -Christian
>
> On Wed, Oct 12, 2011 at 7:20 AM, muhammad adnan <taurusadnan19_at_gmail.com
> >wrote:
>
> > Dear Group members:-
> > I am facing a issue regarding BGP
> > Multi-homming.my scenario is, i am advertizing ip pool x.x.y.0 with ISP 2
> > and the same pool advertize to ISP1 with as path prepending.so ISP 2 is
> > preferred for this pool. the issue is when i shut it my preferred path
> > (i,e
> > ISP2) the pool x.x.y.0 routed to the ISP1 immediately and when i no sh my
> > ISP2 link the ip pool not revert back to ISP2...:)
> >
> >
> > Any one plz guide me is it a limitation in BGP
> >
> > Thanks a lot
> > Adnan
> >
> >
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Received on Wed Oct 12 2011 - 17:16:17 ART