From: Sean.Zimmerman@clubcorp.com
Date: Tue May 15 2007 - 16:52:27 ART
Also depends on the requirements. If you're asked to peer EBGP over a
specific link, then use the IP's of that link. Also keep in mind that the
loopbacks will cause a recursive lookup, and the traffic may flow a
direction different than you want.
Say you have two routers connected directly with serial and over Ethernet
through a multihop path, and you're asked to peer EBGP and to make sure
the traffic flows over the serial link. If you use the loopbacks, the
recursive lookup with most IGP's will cause the traffic to take the
higher-speed indirect link.
"Ricardo Lowe" <rlowe@hotmail.com>
Sent by: nobody@groupstudy.com
05/15/2007 02:44 PM
Please respond to
"Ricardo Lowe" <rlowe@hotmail.com>
To
premkumar.somasundaram@gmail.com, ccielab@groupstudy.com
cc
Subject
RE: BGP
Loopback interfaces never go down, so the entire router would have to be
down before you loose your BGP peer. If you do it by physical interface,
it
would only take the interface going down to loose the BGP peer.
----Original Message Follows----
From: "premkumar somasundaram" <premkumar.somasundaram@gmail.com>
Reply-To: "premkumar somasundaram" <premkumar.somasundaram@gmail.com>
To: ccielab@groupstudy.com
Subject: BGP
Date: Tue, 15 May 2007 14:35:37 -0500
Group,
I have seen lot of posts regarding the over configuration on the routers.
CCIE gurus have always instructed that we should configure only what is
asked. But I have seen two labs where in the question is asked to just
configure BGP peering between R1 &R2. On the solution book, it is
configured
as peering between loopbacks. Is there any reason behind it ?? I agree
that
this is too subjective. Just curious whether any has come across this
situation.
Thanks
Prem
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