[quagga-dev 7315] Re: VLANs and Timers bug ?

Ingo Flaschberger if at xip.at
Fri Oct 30 15:11:44 GMT 2009


Hi,

>> sounds like a multicast bug.
>> check if multicast (224.0.0.5 / 224.0.0.6) enter and leave the router and
>> is also seen at other routers.
>>
>> check ospf helo timers:
>> show ip ospf neighbor
>>
>> Kind regards,
>> 	ingo flaschberger
>>
>
> Hello,
>
> thanks for the answer and the hint. Multicast seems ok (for me).

Check with tcpdump if you send and receive multicast messages,
especially helo's.

> Then I tried to check command 'show ip ospf neighbor' and
> I see decrementing till zero and then jump to start value.

Counters should reset back to "standard" 40sec every 10sec, as 10sec is 
the helo interval.

if counters run down to 0, the ospfd does not receive helo's.

Kind regards,
 	Ingo Flaschberger




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