From: John Neiberger (neiby@xxxxxxxxxx)
Date: Sun Mar 10 2002 - 23:05:55 GMT-3
Comments inline...
---- On Sun, 10 Mar 2002, Tarek Sabry
(tsabry@houston.sns.slb.com) wrote:
> Quick question:
>
> Do I have to have symmetrical configs on both sides? Can I
have one
> loopback
> on one AS try to peer with th serial on the other AS?
>
Yes, you can do this. There's no reason why you _have_ to peer
with loopbacks on both sides.
> Also do I have to have "ebgp-multihop" whenever I use "update-
source
> lo0"?
>
Yes, you do, assuming we're talking about eBGP peers.
If you're peering between serial interfaces your peers are one
hop away. If you move one peer to the loopback interface, your
peers are now two hops away. If you move both sides to the
loopbacks, your peers are now three hops away.
Anything over one hop requires the use of ebgp-multihop.
Regards,
John
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