[c-nsp] BGP default route

[Ozgur Guler]

Conditional route advertisement might help...

http://www.cisco.com/en/US/docs/ios/iproute/command/reference/irp_bgp3.html#wp1012658




--- On Wed, 11/6/08, Gary Roberton <gary.ciscomail at gmail.com> wrote:
From: Gary Roberton <gary.ciscomail at gmail.com>
Subject: [c-nsp] BGP default route
To: cisco-nsp at puck.nether.net
Date: Wednesday, 11 June, 2008, 1:44 PM

Hi

I have three routers, R1 > R2 >  R3.

R1 advertises a default route to R2 by using default-originate
R2 advertises a default route to R3 by using default-originate

However, I only want R2 to advertise to R3 if it receives the default route
from R1.  In other words if connectivity is lost between R1 and R2 I dont
want R2 adveetising the default route to R3 as the path won't be valid.

Ideas?
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