From: Swaroop Potdar (swarooppotdar@hotmail.com)
Date: Sun Jul 17 2005 - 09:03:06 GMT-3
Hi,
how would be
max-supress of 3600
supress threshold of 6000
reuse threshold of 499
half-time of 900
would this serve the purpose if the interface has to be kept dampned if it
flaps 6 times in an hour.
????
>From: "ccie2be" <ccie2be@nyc.rr.com>
>Reply-To: "ccie2be" <ccie2be@nyc.rr.com>
>To: <buesink@fma.nl>, <ccielab@groupstudy.com>
>Subject: RE: Interface Dampening
>Date: Thu, 14 Jul 2005 17:35:40 -0400
>
>Hi,
>
>I'll take a crack at this.
>
>Every time the interface flaps, it incurs a penalty of 1000 points (this
>penalty amount is not configurable).
>
>However, you can specify the suppress amount which in your case is at least
>6 x 1000 or 6000 points. (This suppress amount actually has to be lower
>than
>6000 because the penalty starts to decay immediately.)
>
>But, you're not done yet. Once a penalty occurs, it starts to decay at a
>rate of 1/2 the penalty amount per half life. In other words, if the half
>life is 30 minutes, 30 minutes after the penalty occurs, the penalty is
>only
>500 points.
>
>So, now the problem is to figure out how to get to a penalty of 6000 with 6
>flaps in an hour. If there weren't this penalty decaying aspect, this
>would
>be easy. But, with this decaying aspect, the answer depends on when within
>the first hour the flaps occur.
>
>If all 6 flaps occur in the last minute of the hour than there won't be
>much
>time for the penalty to decay much so if your suppress level is should be
>something like this:
>
>total penalties - decay amount > suppress level
>
>So, in your case, total penalties is 6000. Decay amount depends on half
>life where the greater the half-life, the smaller the decay amount. So, if
>you set the suppress level to 5001 and set a very large half you should be
>OK.
>
>HTH, Tim
>
>
>-----Original Message-----
>From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
>buesink@fma.nl
>Sent: Thursday, July 14, 2005 4:49 PM
>To: ccielab@groupstudy.com
>Subject: Interface Dampening
>
>Hi there,
>
>I've a question, I'm playing with interface dampening.
>And I am always messing things up with it ;-)
>
>I want to do the following:
>
>If an interface flaps 6 times within an hour, then I want to dampen it.
>
>How can I set this up?
>
>
>Regards!
>
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Regards,
Swaroop.
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