Re: ospfv2 router-id

There might be few reasons why you'd want to be certain about your OSPF
router IDs. An interesting one is described here.

http://blog.ioshints.info/2008/08/ospf-in-vrf-requires-box-unique-router.html

HTH
A.

sameer khan wrote:
> hey
>
> divin thanks for the reply. The addition to the question is this behavior i.e.
> router id not changing when loopback address present and resetting the ospf
> process. Because i don't see any point in using loopback as told to
> administrate the router id, if there is a command for it. Can some one please
> shed some light on it that router id will not change is normal behaviour and
> what is point in using loopback ?
>
>
> Regards and thanks
>
>
>
>
>
>
>> From: divinjohn_at_gmail.com
>> Date: Fri, 3 Jul 2009 04:12:29 +0530
>> Subject: Re: ospfv2 router-id
>> To: khanzadap_at_hotmail.com; ccielab_at_groupstudy.com
>>
>> Router-id command under ospf process has more priority than Loopbacks. so..
>> its always advisable to assign router-id under the process. u can be sure
>> whts the router ID.. esp. with virtual links and all..u need the router id
>> to stay the same after a restart too.!
>> Thanking You
>>
>> Yours Sincerely
>>
>> Divin Mathew John
>> divinjohn_at_gmail.com
>> divin_at_dide3d.com
>> http://www.dide3d.com
>> +91 9945430983
>> +91 9846697191
>> +974 5008916
>> PGP PUBLIC KEY BLOCK @ http://www.dide3d.com/divin_Public_PGP_key.txt
>>
>>
>> On Fri, Jul 3, 2009 at 4:11 AM, Divin Mathew John
>>
> <divinjohn_at_gmail.com>wrote:
>
>>> Follow this
>>>
>>> 1) set ospf router-id with router-id command under the ospf process
>>> 2) do clear ip ospf process
>>> 3) assign loopback address desired as router-id to a loopback. make sure
>>> its Highest Ip addresses for all the loopbacks
>>> 4) give no router-id x.x.x.x under ospf process
>>> 5) clear ip ospf process
>>>
>>>
>>> this will change the router-id to the intended one.!
>>> Thanking You
>>>
>>> Yours Sincerely
>>>
>>> Divin Mathew John
>>> divinjohn_at_gmail.com
>>> divin_at_dide3d.com
>>> http://www.dide3d.com
>>> +91 9945430983
>>> +91 9846697191
>>> +974 5008916
>>> PGP PUBLIC KEY BLOCK @ http://www.dide3d.com/divin_Public_PGP_key.txt
>>>
>>>
>>>
>>> On Fri, Jul 3, 2009 at 3:32 AM, sameer khan <khanzadap_at_hotmail.com>
>>>
> wrote:
>
>>>> ack after the process it will change as well. i m using
>>>>
>> Blogs and organic groups at http://www.ccie.net
>>
>> _______________________________________________________________________
>> Subscription information may be found at:
>> http://www.groupstudy.com/list/CCIELab.html
>>
>>
>>
>>
>>
>>
>>
>>
>
> _________________________________________________________________
> With Windows Live, you can organise, edit, and share your photos.
> http://clk.atdmt.com/UKM/go/134665338/direct/01/
>
>
> Blogs and organic groups at http://www.ccie.net
>
> _______________________________________________________________________
> Subscription information may be found at:
> http://www.groupstudy.com/list/CCIELab.html

Blogs and organic groups at http://www.ccie.net
Received on Fri Jul 03 2009 - 21:07:30 ART