[nsp] OSPF Adjacency Flapping

[dtodd at partners.org]

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Birsen:

Are you doing a GRE/IPSEC tunnel between these sites?  Are they both
in area 0?

This could be a problem w/the ospf database.  You can look for the
route in the database on both routers and see if they have the same
seq <sh ip os data>.

==dMT>

- ----SIG-------
Douglas M. Todd, Jr.
Network Engineering
Partners Health Care
Building 149
149 13 Street
Charlestown, MA 02129-200
Tel: 617.726.1403
Email: dtodd@partners.org
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> -----Original Message-----
> From: cisco-nsp-bounces@puck.nether.net
> [mailto:cisco-nsp-bounces@puck.nether.net]On Behalf Of Birsen
> Öztürk Sent: Saturday, December 14, 2002 8:45 AM
> To: cisco-nsp@puck.nether.net
> Subject: [nsp] OSPF Adjacency Flapping
> 
> 
> Hello
> There is an OSPF neighbor continuously changing state between 
> Down and Full. I recieve the following output from debug ip ospf
> adj: Dec 13 16:51:22: OSPF: Bad seq received from 192.168.170.2 on
> Tunnel55 Dec 13 16:51:22: OSPF: Send DBD to 192.168.0.75 on
> Tunnel55 
> seq 0x1CD0 opt 0x42 flag 0x7 len 32
> 
> Where I should look for the solution? I would appreciate any 
> suggestions. Thank you in advance.
> 
> Birsen 
> 
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