Regarding Next hop self

From: Raghav Bhargava (raghavbhargava12@gmail.com)
Date: Tue Feb 03 2009 - 05:36:43 ARST

Hi Experts,

Following is the topology:-

ISP----------p2p link-----------------------R1----------R2-------------R3

R1,R2,R3 are in the same AS.Lets say 100. Now since we don't advertise
the point to point link on R1 ( as per the best practices coz
otherwise the complete internet routes will be in the routing table of
R1 hence causing CPU hike) we will configure next hop self on R1 so
that the routers r2 and r3 knows how to go out.

My question is can we do something like this--

make the interface which is connecting ISP as passive and advertise
the point-to-point link in lets say ospf towards R2 and R3. After
that remove the next hop self from R1.

Will this thing work..

Why I am asking this is because I don wanna use Next hop self...Just a
weird question..trying to play and learn at the same time. 

-- 
Warm Regards
Raghav

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