From: A Yigit Zorlu (alec_cisco@xxxxxxxxx)
Date: Sun Feb 24 2002 - 23:32:19 GMT-3
Jeff,
I dig into archieves for a solution to this case and could not find except
this secondary address idea which was originated by Parry Chua.
Parry do you have any news about this case ? Any other solutions except
secondary address ? We are trying to redistribute /21 OSPF route into /24
connected IGRP.
What I am gonna do in March 14 , I will ask the proctor. ;-)
Yigit
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com]On Behalf Of jeff
Szeto
Sent: Monday, February 25, 2002 4:19 AM
To: ccielab@groupstudy.com
Subject: Re: RE: Tough nut to crack! Redistribution from EIGRP to OSPF and
then IGRP again!
Hi
I have tried to use secondary address and tunnel between the IGRP router and
ASBR, but this will use new subnet which is not listed in the question. Is
this permited or is this a ask the protocol question?
Thanks
Jeff
>>> "Yigit Zorlu" <alec_cisco@yahoo.com> 02/25 9:48 am >>>
why dont you give a secondary IP address to OSPF IGRP redistribution link
(the connection between ASBR and pure IGRP router) with /21 mask. So you
will be able to redistribute /21 route from OSPF to IGRP. On the router
where EIGRP OSPF redistribution occurs you should be putting
summary-address 1.1.0.0 255.255.248.0
Any other ideas ?
Yigit
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com]On Behalf Of
Curtis Phillips
Sent: Monday, February 25, 2002 3:08 AM
To: Nicolai Gersbo Solling; CCIE Lab
Subject: Re: Tough nut to crack! Redistribution from EIGRP to OSPF and
then IGRP again!
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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