Depends, if the two ISP peers were located at two different POPs and your
layer one connectivity
was diverse this would help your AS in more failure scenarios than a single
threaded design. Of course
I would also diversify the connections onto different linecards/slots as
well.

Mike



On Tue, Aug 23, 2011 at 7:58 AM, Robert Raszuk <rob...@raszuk.net> wrote:

> Hi zaidoon,
>
> Nope - I would not recommend that.
>
> Your better choice is to peer between loopbacks and use
> disable-connected-check knob or BGP multihop.
>
> Two sessions will cause you to get the same paths two times wasting a
> bit of control plane memory and CPU inbound processing - but that's
> about it. On the peer's side update generation would be the same as your
> peer would only copy at replication. But better is to have single
> session IMHO.
>
> Cheers,
> R.
>
> > Is it  recommended to terminate
> >  two bgp session on 12000 xr that  peering with the same isp on the same
> router how
> > to handle full routing table ? Any clues
> >
> > Zaid
> >
> >
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