Re: ospfv2 router-id

Another reason is explained here:
http://blog.ioshints.info/2007/10/ospf-router-id-does-not-change-when.html

In general this "hints and tricks" collection by Ivan Pepelnjak is just
excellent.

A.

Alexei Monastyrnyi wrote:
> 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 - 21:18:37 ART