Question regarding BGP route exchange

From: Saketh R (saketh2083@gmail.com)
Date: Sat Nov 15 2008 - 20:27:59 ARST


Hi All,
           I have a very simple scenario.

  R2--------R3-----R1-----------------------------------------------------R4
                      AS-2
AS-3
                       155.1.146.1 155.1.146.4

I see that the BGP connections are established between the two routers.

*BGP neighbor is 155.1.146.4, remote AS 3, external link
  BGP version 4, remote router ID 155.1.146.4
  BGP state = Established, up for 00:38:01
  Last read 00:00:01, last write 00:00:01, hold time is 180, keepalive
interval is 60 seconds
*
**
But there is no routes that are being adverised by either R4 or R1. I have a
couple of routers connnected behind running BGP in AS2.All the routers have
connection established but they don't advertise the routes either in ebgp
session or ibgp session.

R1#sh ip bgp neighbors 155.1.146.4 advertised-routes

Total number of prefixes 0

R4#sh ip bgp neighbors 155.1.146.1 advertised-routes

Total number of prefixes 0
R4#

I would greatly appreciate if someone can tell me if I am missing something.

Thanks in Advance for your clarification!!!

Regards

Saketh

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