From: DAN DORTON (DHSTS68@xxxxxxxxxxxxxxx)
Date: Fri Dec 21 2001 - 14:27:31 GMT-3
I am having a very similar problem right now with a lab that is using a backup
isdn link in area 0 with a different mask than what is on the IGRP participatin
g interfaces. I have tried several scenarios to no avail.
>>> "Thomas Larus" <tlarus@mwc.edu> 12/21/01 11:10AM >>>
I am working on basic everyday OSPF to IGRP redistribution. I was able
to use area range for the routes I needed to get down to /24 to match
the IGRP domains mask. But what if the scenario had been set up
differently, and I had had routes within area 0 that had to be
summarized to /24 to be redisted into IGRP? Area range summarizes
non-backbone areas INTO area 0. Summary-address only works on routes
redistributed INTO the OSPF domain. The experts all say that there are
two way to deal with the classless to classful redist problemstatic
routes and summarization. If it is stated that I cannot use static
routes, and the routes I need to summarize are within area 0, what do I
do?
I can design the network to make sure all the routes that need to be
redistributed from OSPF to a classfull routing protocol are in an area
other than 0, but what if I am given the situation I have set out?
A route-map comes to mind, but I dont see how I can summarize using a
route-map, although I can make it so that only routes with a certain
mask get redistributed.
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