Re: Clear ip OSPF process when cost is changed

Thank you so much!

It seems to be a bug as when I reduce the cost of a link it works like a
charm... but when I increase the cost I need to run the spf algorithm to
get it work.

Aftab

On Wed, Feb 15, 2012 at 2:40 PM, Abraham, Tharak <tharakabraham_at_gmail.com>wrote:

> Mohammed,
>
> Ideally speaking, an LSU will be triggered on changing the cost of an
> interface and you needn't clear the process
> This is also the case if you change auto-cost ref bw
> The change would be updated within seconds as we see in IOS and this
> should be the case for any standard vendor.
>
> Best Regards,
> Tharak Abraham Luke
>
>
> On Tue, Feb 14, 2012 at 12:51 PM, Mohammed Aftab Memon <
> aftabmemon12_at_gmail.com> wrote:
>
>> Hello All,
>>
>> Why do we need to clear the ip ospf process when the cost is changed ?
>>
>> I tried it on some other vendor and when I changed the cost of the link it
>> did not work and when I do a clear ip ospf process the cost changes and
>> works as expected.
>>
>> But if I just change the cost of the interface nothing happens. It works
>> only when I clear the OSPF process.
>>
>> Is it a software bug or its a normal process ?
>>
>> When I google it I found :
>>
>>
>>
>> Link state does not use SPF algorithm, but rather it relies on router
>> broadcasting downed link immediately. This is the main reason for fast
>> convergence time (distance vector uses hold time, split horizon, etc,
>> while
>> link state does not).
>>
>>
>> Blogs and organic groups at http://www.ccie.net
>>
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Received on Thu Feb 16 2012 - 12:44:52 ART