From: Bashir Dodoo Sulaiman (bashir.sulaiman@nts-uk.com)
Date: Mon Sep 23 2002 - 06:14:37 GMT-3
Young,
In OSPF, the "area xx range" command is used to summarise address within
OSPF from one area into area 0, while the "summary-address xxx" is used to
summarise addresses within ospf to other routing domains like RIP etc.
I am not aware of any other way to do it other than the way you have done.
Can anyone please confirm this.
Bashir
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com]On Behalf Of
Young Bae
Sent: 23 September 2002 09:30
To: ccielab@groupstudy.com
Subject: OSPF Summarization
Hello,
If a router is both an ABR and an ASBR, would I use the "area x range" or
the "summary-address" command to summarize a route for a classful routing
protocol for redistribution? For all other routers, I'm able to inject
the routes into RIP v1 by summarizing at the border, but for one
particular router, which is both an ABR and an ASBR that is
redistributing the OSPF routes into RIP, I'm not able to inject the route
that belongs to Area12 into the RIP, unless I use the "summary-address"
command under the OSPF process. Why is that? When I summarize it using
the "area 12 range" command, I see the /24 summary-route in the OSPF
database,but it never
makes it into the RIP domain.
Thanks in advance for the explanation.
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