Re: OSPF neighbor on non-broadcast OSPF network type

Hi Joe and All,

  Tried recreating the same config and the neighbor didn't come up as
expected........Thanks for all ur help ..Next time will keep the topology
intact :) ,whenever I see the different characteristics then expected ......

Regards
Anantha Subramanian Natarajan

On Sun, May 24, 2009 at 6:17 PM, Joe Astorino <jastorino_at_ipexpert.com>wrote:

> I have not tested this scenario, but perhaps you had it non-broadcast on
> one side and broadcast on another at first, then through the course of your
> experimentation changed them both to non-broadcast and one side still had
> knowledge of the other neighbor from the previous contact or something
> weird...who knows. The important thing here is that you truly understand
> every possible network type matchup and all the possible timers as well as
> how to get them up and running.
>
>
> Regards,
>
> Joe Astorino
> CCIE #24347 (R&S)
> Sr. Support Engineer  IPexpert, Inc.
> URL: http://www.IPexpert.com <http://www.ipexpert.com/>
>
>
>
> ------------------------------
> *From:* Anantha Subramanian Natarajan [mailto:
> anantha.natarajan_at_gravitant.com]
> *Sent:* Sunday, May 24, 2009 7:14 PM
>
> *To:* Joe Astorino; Cisco certification
> *Subject:* Re: OSPF neighbor on non-broadcast OSPF network type
>
> No problem joe ...I may be fat fingered but I was sure when I saw it and
> just moved on to different topology as it was not the concern during that
> time and meantime posted the question to u all .
>
> Thanks
>
> Regards
> Anantha Subramanian Natarajan
>
> On Sun, May 24, 2009 at 6:11 PM, Joe Astorino
<jastorino_at_ipexpert.com>wrote:
>
>> I'd really have to see the configurations to believe that one : ) No
>> offense, but non-broadcast on both sides with no neighbor statement just
>> simply won't work as far as I know.
>>
>>
>> Regards,
>>
>> Joe Astorino
>> CCIE #24347 (R&S)
>> Sr. Support Engineer  IPexpert, Inc.
>> URL: http://www.IPexpert.com <http://www.ipexpert.com/>
>>
>>
>>
>> ------------------------------
>> *From:* Anantha Subramanian Natarajan [mailto:
>> anantha.natarajan_at_gravitant.com]
>> *Sent:* Sunday, May 24, 2009 7:08 PM
>> *To:* Joe Astorino; Cisco certification
>> *Subject:* Re: OSPF neighbor on non-broadcast OSPF network type
>>
>> Hi Joe,
>>
>> Both sides were non-broadcast and later me changed the topology to
>> broadcast on both sides to do some other scenario..I am trying to erase
the
>> config and try to recreate the same topology to see whether it comes back
.
>>
>> Thanks
>>
>> Regards
>> Anantha Subramanian Natarajan
>>
>> On Sun, May 24, 2009 at 6:05 PM, Joe Astorino
<jastorino_at_ipexpert.com>wrote:
>>
>>> Generally you do need it, but without further information it is really
>>> difficult for us to tell you exactly. We need to know the network type
>>> on
>>> the other side as well.
>>>
>>>
>>> Regards,
>>>
>>> Joe Astorino
>>> CCIE #24347 (R&S)
>>> Sr. Support Engineer - IPexpert, Inc.
>>> URL: http://www.IPexpert.com <http://www.ipexpert.com/>
>>>
>>> -----Original Message-----
>>> From: nobody_at_groupstudy.com [mailto:nobody_at_groupstudy.com] On Behalf Of
>>> Anantha Subramanian Natarajan
>>> Sent: Sunday, May 24, 2009 2:25 PM
>>> To: Cisco certification
>>> Subject: OSPF neighbor on non-broadcast OSPF network type
>>>
>>> Hi All,
>>>
>>> I ran OSPF on an non-broadcast OSPF network type between R1 and R2 and
>>> saw the neighbor came up without configuring explicitly "neighbor "
>>> command
>>> under the OSPF process.I was assuming the neighbor command is
>>> required.Kindly let me know on this and also if missed some basic on it.
>>>
>>> Thanks
>>>
>>> Regards
>>> Anantha Subramanian Natarajan
>>>
>>>
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>> 07:09:00
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>
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Received on Sun May 24 2009 - 18:27:26 ART