RE: EIGRP-OSPF Redistribution doesn't reflect the correct next

Yes. The redistributing router has eigrp and ospf running on the same
interface.

Here is the link to the topology

http://i.imgur.com/zncWW.jpg

Regards,
Sid
Nobody's really listening, until you make a mistake...

-----Original Message-----
From: Joe Astorino [mailto:joeastorino1982_at_gmail.com]
Sent: 26 April 2012 17:28
To: Sidney D'Souza
Cc: Cisco certification
Subject: Re: EIGRP-OSPF Redistribution doesn't reflect the correct next hop

Like the other guys on the thread said, you likely have some issue with the
OSPF forwarding address getting set to a non-zero value during
redistribution. This can happen generally if your redistributing router has
OSPF configured to run on the interface facing towards your redistribution
point (in your case, the interface in the EIGRP domain would have been
configured for OSPF). There are very specific requirements to make the
forwarding address a non-zero value though. Go through this list and see if
it rings true for you:
Note that ALL of these must be true.

These conditions set the forwarding address field to a non-zero address:

- OSPF is enabled on the ASBR's next hop interface AND
- ASBR's next hop interface is non-passive under OSPF AND
- ASBR's next hop interface is not point-to-point AND
- ASBR's next hop interface is not point-to-multipoint AND
- ASBR's next hop interface address falls under the network range specified
in the router ospf command.

These rules I have references from the following documentation:
http://www.cisco.com/en/US/tech/tk365/technologies_tech_note09186a008009405a
.shtml
You can read more about the rules in the official rfc for OSPFv2 as well

HTH

--
Regards,
Joe Astorino
CCIE #24347
http://astorinonetworks.com
"He not busy being born is busy dying" - Dylan
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