RE: RIP to OSPF redistribution

From: Yigit Zorlu (yzorlu@tepum.com.tr)
Date: Sat Dec 28 2002 - 09:56:24 GMT-3


Jay,

Actually ip summary-address rip command will solve your problem if /30
net is in area 0.
if it is not in area 0 the solution is easier area range will do it for
you. Both works fine for me.

Regards,

Yigit

-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com]On Behalf Of
Dang Quang Minh
Sent: Saturday, December 28, 2002 11:29 AM
To: 'Jay Greenberg'; ccielab@groupstudy.com
Subject: RE: RIP to OSPF redistribution

Hi,

You can redistribute connected on r2 and then summary-address.

Thanks

-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
Jay Greenberg
Sent: Saturday, December 28, 2002 2:06 PM
To: ccielab@groupstudy.com
Subject: RIP to OSPF redistribution

I'm sure this question has been asked a million times, but the archives
aren't giving me the answer I'm looking for. How do you summarize OSPF
type 3 LSAs into RIP when there is no ABR to summarize on?

R1-----(ospf)-----R2------(rip)------R3

R1 - R2 is subnet 140.100.1.0/30
R2 - R3 is subnet 140.100.2.0/24

How can R3 learn about 140.100.1.0/30 without using static routes?
There is no ABR to use "area range", and there is no inbound ASBR to use
ospf "summary-address", nor are these type 5/7 LSAs.

Answers I've heard so far are:

"use the ip summary-address rip" command on R2, but I tried that in the
lab and nothing happened. Maybe I was doing something wrong?

"use a default-network" on R2, and I have used this in a practice lab,
and it worked, but I'm worried that a real lab won't allow default
routes.

Any comments would be greatly appreciated.
.
.
.



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