From: Michael Snyder (msnyder@xxxxxxx)
Date: Tue Aug 28 2001 - 13:41:15 GMT-3
Question,
Are you trying to summarize OSPF routes up to classful to pass them to IGRP?
I assume you are creating the loopbacks on R1, in order to get the addresses
to R4?
If so, I have a suggestion. Do it all on R3.
I did this two days ago, unrelated to your question, but everything else is
close to what I did. R3 was a non nssa, area 0 router, but I don't think it
would effect my technique. BTW, I'm sure this old hat, but it was new to
me.
I was trying to pass a /28 address to a directly connect igrp router. Not a
easy thing to do, for me anyway. I created a Virtual-TokenRing interface
within the /24 address I wanted to use. Why Virtual-TokenRing? Because it
doesn't mess up the OSPF RID.
Then I redistributed connected into OSPF. Did a summary-address up to /24,
then redistributed it to IGRP. I worked like a charm.
The two catch-22's I can think of, is that the ospf table has to have the
correct longer match, and you have to be able to do a summary-address.
interface Dialer10
-->ip address 170.100.255.1 255.255.255.240
!
interface Virtual-TokenRing255
-->ip address 170.100.255.129 255.255.255.224
ring-speed 16
!
router ospf 100
log-adjacency-changes
-->summary-address 170.100.255.0 255.255.255.0 tag 20
-->redistribute connected metric 80 metric-type 1 subnets tag 10
network 170.100.252.0 0.0.0.255 area 0
network 170.100.255.0 0.0.0.15 area 0
-->distribute-list 51 out connected
-->access-list 51 permit 170.100.255.0 0.0.0.255
router igrp 200
-->redistribute ospf 100 metric 1000 100 255 1 1500
distance 111
----- Original Message -----
From: "Voytek Mielczarek" <Voytek.Mielczarek@nec.com.au>
To: <ccielab@groupstudy.com>
Sent: Tuesday, August 28, 2001 2:05 AM
Subject: ospf nssa backwards
> Group,
>
> How would you get routes E1 or E2 through NSSA as below:
>
>
> area1 area0 nssa IGRP
> R1----------R2----------R3----------R4----------R5
>
>
> Loopback interfaces on R1 get "redistributed connected" and appear on R3
as E2 routes, but do not appear on R4.
> They need to be propagated across nssa out to IGRP. Is this a mission
impossible?
>
> Thanks, Voytek
> **Please read:http://www.groupstudy.com/list/posting.html
**Please read:http://www.groupstudy.com/list/posting.html
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