Re: VLSM and IGRP redistribution

From: Robert Dubell (bobdu11@xxxxxxxx)
Date: Wed Oct 24 2001 - 06:02:51 GMT-3


   
That is the proper way to redistribute from a OSPF into IGRP. Using the
summary-address command on the ASBR....

-----Original Message-----
From: Stephen Oliver <stevie_oliver@hotmail.com>
To: ccielab@groupstudy.com <ccielab@groupstudy.com>
Date: Wednesday, October 24, 2001 5:01 AM
Subject: VLSM and IGRP redistribution

>How many ways can you accomplish VLSM into IGRP redistribution.
>
>I have a router running OSPF on one interface and IGRP on the other. It's
>an ASBR. I have a class B address on both sides but with a /24 mask. The
>OSPF side is all area 0 and from another router in that area some /26 and
>/27 routes are being sent. When redistributing these routes into IGRP what
>are the options.
>
>Every book I read says the ospf command
>
># summary-address x.x.x.x x.x.x.x
>
>is used when summarizing external routes into OSPF however this is the only
>way I can get the routes accross to IGRP. I put the command
>
># summary-address x.x.x.x 255.255.255.0
>
>on the ASBR for each of the /26 and /27 routes and they go over to the IGRP
>router. A route to null 0 is created on the ASBR as expected but since
this
>is /24 the more specific route of /26 or /27 takes precenence.
>
>Is this the proper way to do this ? I got the problem from a well known
>testing software page and they use the Area Range command which seems
>irrelevant in this case and does not work anyway.
>
>Thanks, Stevie.
>



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