From: Ajay Prakash (ajay.prakash@networkpeople.co.in)
Date: Thu Jun 14 2007 - 07:35:50 ART
Thanks Sadiq,
Your reply has cleared my doubt on the same.
Thanks again.
Ajay
----- Original Message -----
From: "Sadiq Yakasai" <sadiqtanko@gmail.com>
To: "Ajay Prakash" <ajay.prakash@networkpeople.co.in>
Cc: "Cisco certification" <ccielab@groupstudy.com>
Sent: Thursday, June 14, 2007 3:43 PM
Subject: Re: OSPF PollInterval vs. HelloInterval
> hey Ajay,
>
> The ospf PollInterval only kicks in when a neighbor is declared "Dead"
> on an NMBA network.
>
> On NBMA network type, the regular Hello Interval is 30secs default
> and the Dead Interval is 120secs default. If a neighbor has not
> replied a Hello paacket after the Dead Interval (120 secs), it is
> declared down isnt it? It is only then that the Poll Interval kicks
> into operation. The neighbor will now be polled every 120secs by
> default until it comes back up.
>
> HTH
>
> Sadiq
>
> On 6/14/07, Ajay Prakash <ajay.prakash@networkpeople.co.in> wrote:
>> Hello,
>>
>> After reading about OSPF behaviour in a NBMA networks, I have come to
>> understand that in case of a NBMA network the OSPF Hello packet will be
>> sent
>> every PollInterval (120 Seconds) and not the actual Hello Interval.
>>
>> Is my understanding correct in all NBMA networks or is this a behaviour
>> exhibited only when a neighbor on the NBMA network is down.
>>
>> Thanks in advance :)
>>
>> Regards,
>> Ajay
>>
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