[j-nsp] OSPF route flapping

Erdem Sener erdems at gmail.com
Fri Jun 17 15:53:32 EDT 2005


Hi,

 I might be re-stating the obvious but are you sure the physical links
don't flap?
Otherwise, it might be an MTU issue, maybe.

 You can turn on ospf traceoptions with something like;

traceoptions {
flag packets detail;
    flag database-description detail;
    flag error detail;
}

 Cheers,
 Erdem
On 6/17/05, Javier Gallardo Córdova <jagc64 at yahoo.com> wrote:
> Hi,
> 
> I have the next behavior at M20 route table for several statics routes announced by a Summit48si via OSPF.
> Jun 17 12:42:33 RELEASE  13.52.120.64/30    gw 192.168.2.50    OSPF     pref 150/0 metric 7/0 fe-0/1/2.0 <Release Int Ext>
> Jun 17 12:42:33 ADD      13.52.120.64/30    gw 192.168.2.50    OSPF     pref 150/0 metric 7/0 fe-0/1/2.0 <Int Ext>
> Jun 17 12:42:43 RELEASE  13.52.120.64/30    gw 192.168.2.50    OSPF     pref 150/0 metric 7/0 fe-0/1/2.0 <Release Int Ext>
> Jun 17 12:42:43 ADD      13.52.120.64/30    gw 192.168.2.50    OSPF     pref 150/0 metric 7/0 fe-0/1/2.0 <Int Ext>
> Jun 17 12:42:53 RELEASE  13.52.120.64/30    gw 192.168.2.50    OSPF     pref 150/0 metric 7/0 fe-0/1/2.0 <Release Int Ext>
> Jun 17 12:42:53 ADD      13.52.120.64/30    gw 192.168.2.50    OSPF     pref 150/0 metric 7/0 fe-0/1/2.0 <Int Ext>
> 
> Someone know why is the route flapping with 10 seconds period?.
> 
> Thanks and regards.
> //Javier
> 
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