From: Curtis Phillips (cphillips@xxxxxxxxxxxx)
Date: Sun Feb 24 2002 - 22:08:11 GMT-3
router ospf #
summary-route 1.0.0.0 255.0.0.0
on router redistibuting between EIGRP and OSPF
----- Original Message -----
From: "Nicolai Gersbo Solling" <nicolai@cisco.com>
To: "CCIE Lab" <ccielab@groupstudy.com>
Sent: Sunday, February 24, 2002 2:19 PM
Subject: Tough nut to crack! Redistribution from EIGRP to OSPF and then IGRP
again!
> Hi there fellowship of the (token) ring!
>
> I have a weird problem - the one who can crack this one is up for a
virtual
> round of beer on me...
> (By virtual I mean...if we ever meet then I'll by you a beer)
>
> Here is the setup:
>
> EIGRP--->SENDING information about a summarized route of 1.1.1.1/21 via ip
> summary-address eigrp 1.1.1.1 255.255.248.0 on the connecting interface!
>
> OSPF receives this route via redistribution and sees it like 1.1.1.1/21 -
So
> far so good!
>
> OSPF redistributes into IGRP, which cannot understand the /21 mask and
> discards the route...
>
> I can see an easy solution with some static routes and then redistribute
> them into OSPF or IGRP, but is there an more elegant way of doing this,
for
> instance with something like a "summary-command" in ospf, or a range
> command...
>
>
> Any ideas greatly appreciated!
>
> Nicolai
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