From: sheherezada@gmail.com
Date: Thu Jun 19 2008 - 09:26:38 ART
It is obsolete and not recommended because the side effects are not
worth the benefits.
See:
http://www.ripe.net/ripe/docs/ripe-378.html
HTH,
Mihai Dumitru
CCIE #16616 (SP, S&S)
On Tue, Jun 17, 2008 at 8:07 PM, Tien <tientien.wang@gmail.com> wrote:
> Hi Scott,
>
> Is it true that route dampening is consider obsolete?
> It actually not recommended to be used anymore?
>
> Tien
>
> On Tue, Jun 17, 2008 at 2:42 AM, Scott Morris <swm@emanon.com> wrote:
>
>> 15 minutes = 900 seconds.
>>
>> The decay time is a varying timer (calculated by the router) which has to
>> do
>> with how many times the route has already flapped and what the starting
>> sliding scale is. 1st decay appears to be right away, subsequent decays
>> are
>> based on sliding timer.
>>
>> Check out RFC 2439.
>>
>> HTH,
>>
>> Scott
>>
>>
>> -----Original Message-----
>> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
>> ccie
>> az
>> Sent: Tuesday, June 17, 2008 7:09 AM
>> To: Cisco certification
>> Subject: BGP Route Dampening
>>
>> Can anyone confirm if I am right here:
>>
>> Rack1R4#show ip bgp dampening parameters dampening 15 1000 3000 30
>> (route-map TASK_4.4 10)
>> Half-life time : 15 mins Decay Time : 370 secs
>> Max suppress penalty: 4000 Max suppress time: 30 mins
>> Suppress penalty : 3000 Reuse penalty : 1000
>>
>> I understand that the half-life is 15 minutes and that the penalty will
>> reduce by half every 15 minutes. But what is the decay timer seen in the
>> above output. It is exactly half of the half-life timer. My thoughts are
>> this is the time after which the penalty will start to decay.
>>
>> So after 6.5 minutes the penalty will start to decay until it reaches
>> 15 minutes when it will have reduced to half.
>>
>>
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