From: femi ogunlana (femmie@hotmail.co.uk)
Date: Thu Mar 27 2008 - 09:56:09 ART
Because by default the TTL for EBGP is 1 and since you're using loopback
interface, the traffic from one router to the other would count the physical
interface as one hop and traffic would not reach the loopback interface.
Increasing the TTL would allow the traffic to travel over more than one hop
(in this case 3 hops), and hence reach the loopback interface.
> From: z.linux@hotmail.com> To: ccielab@groupstudy.com> Subject: BGP -
Question> Date: Thu, 27 Mar 2008 18:05:40 +0530> > Hi 2 all,> > I would like
to know in the solution why ebgp-multihop is 3> > > configure EBGP between R1
& R2The peering should be done using Loopback0> interface> >
R1======<FR>============R3 ( FR Frame-Relay Cloud )> > <A>> R1Router BGP 500
bgp router-id 2.2.1.1
neighbor 2.2.2.2 remote-as 1000
neighbor 2.2.2.2 update-source loopback 0
neighbor 2.2.2.2 ebgp-multihop 3
R2Router BGP 1000bgp router-id 2.2.2.2neighbor 2.2.1.1 remote-as
1000neighbor> 2.2.1.1 update-source loopback 0neighbor 2.2.1.1 ebgp-multihop
3> > > > _________________________________________________________________>
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