[c-nsp] Re: OSPF distribute problem

[Oliver Boehmer (oboehmer)]

> 
> I checked the documents. Problem is with the IOS since changing the
> IOS on the Cisco7400 the routes are inserted on the routing table of
the
> C7513. 

Ok, and did you find out if the RIB installation fails due to
"incorrect" FA?

> My configuration is simple. Just a C7513 and a C7401 connected
> via Ethernet and running OSPF between them. I am redistributing static
router to ospf
> on the C7401. The static router appear on the ospf database of the
C7513 but
> not on the routing table
> 
> sh ip ospf database | incl 192.168.1.1
> 192.168.1.1  192.168.2.1  131         0x80000023 0x00378C 0

Hmm, not enough data to tell.. We'd need to see "show ip ospf data
external 192.168.1.1" and the config on the 7401.

> sh ip route 192.168.1.1Routing entry for 192.168.1.0/24
>   Known via "static", distance 1, metric 0 (connected)
>   Advertised by bgp XXX
>   Routing Descriptor Blocks:
>   * directly connected, via Null0
>       Route metric is 0, traffic share count is 1
> 
> 
> static route to null 0 is on the C7513 for BGP purposes.

ack.
 
> In case I change the IOS of the 7401 ro 122-4(B8) (and no changes on
> C7513) everything works fine but we are faceing some other issues with
MTU
> which are solved by updading IOS. 

Does the OSPF DB entry for this LSA differ in any way when comparing the
different IOS on the 7401?

	oli

----- Original Message -----
> 
> Regards
> From: "Oliver Boehmer (oboehmer)" <oboehmer at cisco.com>
> To: "M.Palis" <security at cytanet.com.cy>; <cisco-nsp at puck.nether.net>
> Sent: Tuesday, January 18, 2005 5:58 PM
> Subject: RE: [c-nsp] OSPF distribute problem
> 
> 
> 
>> 
>> We are facing a problem  with OSPF distribute routes. We have a C7400
>> routers  where we redistribute some  routes to the OSPF and then to
>> a C7507 router. The C7507 router does not install the routes to the
>> routing table. I check the show ip ospf database  of the C7507 and
>> the routes are existing there but not on the routing table. I believe
>> that the problem is on the C7507 since we try various IOS on the 7400
>> and other routers can see the OSPF distribute routes that the C7400
>> redistributes.
> 
> Issues like this usually involve problems with the forwarding address
> in 
> your Type-5 LSAs. Without knowing more about the topology, router
> configs, OSPF database and routing table outputs, it will be difficult
> to troubleshoot this further.
> Did you check the general articles in
> http://www.cisco.com/warp/public/104/10.html and
> http://www.cisco.com/warp/public/104/26.html?
> 
> oli