Re: OSPF Weird Issue

Can you just paste the config of those 3 routers.

Thanks,
Manny

On Mon, Jun 13, 2011 at 1:58 AM, Routing Freak <routingfreak_at_gmail.com>wrote:

> Hi all
> I got this log message when i m doing OSPF labs
>
> Consider a fully-meshed frame-relay network with three routers. The three
> routers are connected to the the frame relay cloud with the IP addresses
> 10.10.10.1, 10.10.10.2 and 10.10.10.3 respectively. However, the neighbor
> relationship on all the routers constantly keeps getting reset with
> messages
> like the following -
>
>
> *Mar 4 16:10:01.333: %OSPF-5-ADJCHG: Process 100, Nbr 10.10.10.3 on
> Serial2 from LOADING to FULL, Loading Done
> *Mar 4 16:10:05.261: %OSPF-5-ADJCHG: Process 100, Nbr 10.10.10.3 on
> Serial2 from FULL to DOWN, Neighbor Down: Adjacency forced to reset
> *Mar 4 16:10:05.521: %OSPF-4-NONEIGHBOR: Received database
> description from unknown neighbor 10.10.10.3
> *Mar 4 16:10:08.813: %OSPF-5-ADJCHG: Process 100, Nbr 10.10.10.2 on
> Serial2 from EXSTART to DOWN, Neighbor Down: Adjacency forced to reset
> *Mar 4 16:10:11.485: %OSPF-4-NONEIGHBOR: Received database
> description from unknown neighbor 10.10.10.2
> *Mar 4 16:10:12.593: %OSPF-5-ADJCHG: Process 100, Nbr 10.10.10.3 on
> Serial2 from LOADING to FULL, Loading Done
> *Mar 4 16:10:14.905: %OSPF-5-ADJCHG: Process 100, Nbr 10.10.10.3 on
> Serial2 from FULL to DOWN, Neighbor Down: Adjacency forced to reset
> *Mar 4 16:10:19.013: %OSPF-5-ADJCHG: Process 100, Nbr 10.10.10.2 on
> Serial2 from EXCHANGE to DOWN, Neighbor Down: Adjacency forced to
> reset
>
>
> Given just this information, can you determine what the problem might be
> here?
>
> What is meant by OSPF NonNeighbor and unknown neighbor?
>
>
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Received on Mon Jun 13 2011 - 02:05:24 ART