[c-nsp] ospf route summarization on non-abr routers

Victor Cappuccio vcappuccio at desca.com
Wed Jan 3 15:15:09 EST 2007


Not sure what you mean to internal, but you can redistribute those
routes in that router, then It would become an ASBR, and you can apply
the Router(config-router)#summary-address


Just my 2 cents
Victor.-



-----Original Message-----
From: cisco-nsp-bounces at puck.nether.net
[mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of Tassos
Chatzithomaoglou
Sent: Wednesday, January 03, 2007 3:59 PM
To: cisco-nsp at puck.nether.net
Subject: [c-nsp] ospf route summarization on non-abr routers

I'm trying to configure some summarization under ospf, but i have come
into the following problem.

Inter-area route summarizations are created on an ABR using the
following command under the ospf 
process:

Router(config-router)#area 1 range 172.16.0.0 255.255.0.0


External route summarization is done on an ASBR using the following
command under the ospf process:

Router(config-router)#summary-address 172.16.0.0 255.255.0.0


When i try to summarize some routes on an "edge" (not ABR) router of an
area (don't ask me why):

1) using the "range" command doesn't do anything (is this normal?)
2) using the "summary" command makes them external-2 (this seems normal)

So is there a way i can summarize routes on non-abr routers and make
them appear as internal?



-- 
Tassos
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