From: Bob Chahal (bob.chahal@xxxxxxxxxxxx)
Date: Mon Aug 20 2001 - 08:08:23 GMT-3
>From a lab perspective you could be easked to configure EBGP peers using
loopbacks as the source. Because EBGP updates have ttl set to 1 these
packets will be dropped unless you configure
neighbor x.x.x.x ebgp-multihop
For more info check the command reference.
Bob
----- Original Message -----
From: "Beamish, Richard" <Richard.Beamish@GetronicsGov.com>
To: <ccielab@groupstudy.com>
Sent: Monday, August 20, 2001 11:02 AM
Subject: BGP Loopback source
> I was reading the Cisco BGP Case Study Section 1 and found this commet. I
> was wondering if this is generally the case as far as "update-source
> loopback" command goes. I am looking at this from the lab perspective.
>
> "Using a loopback interface to define neighbors is common with iBGP, but
not
> with eBGP. Normally the loopback interface is used to make sure the IP
> address of the neighbor stays up and is independent of hardware
functioning
> properly. In the case of eBGP, peer routers are frequently directly
> connected and loopback doesn't apply."
>
> thanks
> Dick Beamish
> **Please read:http://www.groupstudy.com/list/posting.html
**Please read:http://www.groupstudy.com/list/posting.html
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