From: Nathan Chessin (nchessin@cisco.com)
Date: Wed Oct 16 2002 - 17:20:02 GMT-3
EBGP multihop is for EBGP connection. You don't have to use EBGP multihop
if you are not directly connected for iBGP.
> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com]On Behalf Of
> Paglia, John (USPC.PCT.Hopewell)
> Sent: Wednesday, October 16, 2002 1:01 PM
> To: 'ccielab@groupstudy.com'
> Subject: EBGP Multihop's necessity with loopback addresses
>
>
> I recently heard that if you are establishing your BGP neighbors using
> 'update source loopback 0', you should also use the 'ebgp-mu'
> cmd, even if
> the neighbors are directly connected...the reason being that
> your loopback
> is NOT directly connected to the neighbor. However, in my
> experiments I have
> never done this for neighbors that are directly connected, yet have
> established peerings successfully.
>
> Is there validity to this statement, and if so, under which
> circumstances is
> it absolutely vital, other than the 'non-physically or nbma topology'
> scenarios??? Something tells me that this may be an older IOS issue or
> something like that.
>
> John
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