From: Michel Gaspard (mgaspard@xxxxxxxxx)
Date: Tue Apr 10 2001 - 03:56:40 GMT-3
Oscar,
Just an idea: Virtual links are sending keep-alives (Hello), that **might** not
be suppressed by the DDR.
Check with a "deb ip dialer" to see which packet is triggering the DDR.
Regards,
Michel
fjord#sh ip os v
Virtual Link OSPF_VL0 to router 159.161.10.2 is up
Run as demand circuit
DoNotAge LSA allowed.
Transit area 2, via interface Serial0, Cost of using 3124
Transmit Delay is 1 sec, State POINT_TO_POINT,
Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5
Hello due in 00:00:07
Adjacency State FULL (Hello suppressed)
Message digest authentication enabled
Youngest key id is 1
fjord#
> From nobody@groupstudy.com Tue Apr 10 08:06:23 2001
> From: Oscar Diaz Poveda <Oscar.Diaz@azlan.com>
> To: ccielab@groupstudy.com
> Subject: OSPF Virtual Link over OSPF On Demand Circuit
> Date: Tue, 10 Apr 2001 07:00:48 +0100
> Sender: nobody@groupstudy.com
> Reply-To: Oscar Diaz Poveda <Oscar.Diaz@azlan.com>
>
> Dear colleagues,
>
> I4m having the following problem and really I don4t know if it4s something
> usual or I should filter some information:
>
> I have configured a OSPF Virtual Link over a OSPF On Demand Circuit (ISDN)
> and the ISDN is flapping continuosly. It remains down a few seconds and
> after comes up again.
>
> Is it anything normal (because the Virtual Link) or I could have anything
> misconfigured (I suppose)?
>
> Thanks once more.
>
> Best regards,
>
> Oscar.
>
>
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