From: pankaj kumar (pankaj_mcse123@rediffmail.com)
Date: Fri Jul 28 2006 - 02:25:28 ART
Hello Victor,
How did you mark Reuse limit 1500 & suppress limit default &
Maximum suppress limit is 100. I couldnt understand. Could you explain it?
Here you are putting all values for BGP dampening but not interface event
dampening.
Thanks,
Pankaj
On Fri, 28 Jul 2006 Victor Cappuccio wrote :
>Sami,
>
>Some good links
>http://www.groupstudy.com/archives/ccielab/200603/msg00204.html
>
>http://www.cisco.com/univercd/cc/td/doc/product/software/ios120/120newft/120
>limit/120s/120s22/s_ipevdp.htm#wp1027177
>
>The answer for your question:
>dampening 30 1500 2000 100
>
>And some outputs from a Router.
>
>To resume
the output below
>1st Flap at Jul 27 00:14:58.985 penalty 1000, flap count 1
>2nd Flap at Jul 27 00:15:11.125 penalty 1755, flap count 2, Diff 1st Flap &
>2nd Flap almost 13s
>3er Flap at Jul 27 00:15:23.614 penalty 2331, now
suppressed with a reuse
>intervals of 20 12
> from a amount of 25 sec.
>
>R2(config-if)#do show run int s0/0 | in damp
>
> dampening 30 1500 2000 100
>
>R2(config-if)#s
>
>R2(config-if)#
>
>Jul 27 00:14:58.985:
IF-EvD(Serial0/0): IP Routing reports state transition
> from UP to DOWN
>============================================================================
>Jul 27 00:14:58.985: EvD(Serial0/0): charge penalty 1000, new accum. penalty
>1000, flap count 1
>============================================================================
>Jul 27 00:14:58.985: EvD(Serial0/0): accum. penalty 1000, not suppressed
>============================================================================
>Jul 27 00:14:58.985: IF-EvD(Serial0/0): update IP Routing state to DOWN,
>interface is not suppressed
>============================================================================
>
>R2(config-if)#s
>R2(config-if)#
>============================================================================
>Jul 27 00:15:11.125: IF-EvD(Serial0/0): IP Routing reports state transition
>
from UP to DOWN
>============================================================================
>Jul 27 00:15:11.125: EvD(Serial0/0): accum. penalty decayed to 757 after 12
>second(s)
>============================================================================
>Jul 27 00:15:11.125: EvD(Serial0/0): charge penalty 1000, new accum. penalty
>1757, flap count 2
>============================================================================
>Jul 27 00:15:11.125: EvD(Serial0/0): accum. penalty 1757, not suppressed
>
>============================================================================
>R2(config-if)#s
>R2(config-if)#
>============================================================================
>Jul 27 00:15:23.614: IF-EvD(Serial0/0): IP Routing reports state transition
>
from UP to DOWN
>===========================================================================
>Jul 27 00:15:23.614: EvD(Serial0/0): accum. penalty decayed to 1331 after 12
>second(s)
>===========================================================================
>Jul 27 00:15:23.614: EvD(Serial0/0): charge penalty 1000, new accum. penalty
>2331, flap count 3
>============================================================================
>Jul 27 00:15:23.614: EvD(Serial0/0): accum. penalty 2331, now suppressed
>with a reuse intervals of 20, ::::: THE INTERFACE IS SUPPRESSED::::
>============================================================================
>Jul 27 00:15:23.614: IF-EvD(Serial0/0): update IP Routing state to DOWN,
>interface is suppressed
>R2(config-if)#
> Jul 27 00:15:25.613:
%LINK-5-CHANGED: Interface Serial0/0, changed state to
>administratively down
>R2(config-if)#n
>Jul 27 00:15:25.613: IF-EvD(Serial0/0): IP Routing reports
state transition
> from DOWN to DOWN
>Jul 27 00:15:26.614:
%LINEPROTO-5-UPDOWN: Line protocol on Interface
>Serial0/0,changed state to
down
>Jul 27 00:15:26.614: IF-EvD(Serial0/0): IP Routing reports state
transition
> from DOWN to DOWN
>R2(config-if)#n
>R2(config-if)#
> Jul 27
00:15:26.815: IF-EvD(Serial0/0): IP Routing reports state transition
> from
DOWN to UP
>R2(config-if)#
> Jul 27 00:15:28.814: %LINK-3-UPDOWN: Interface
Serial0/0, changed state to
>up
>R2(config-if)#
> Jul 27 00:15:28.814:
IF-EvD(Serial0/0): IP Routing reports state transition
> from UP to UP
>Jul 27
00:15:28.814: IF-EvD(Serial0/0): IP Routing reports state transition
> from UP
to UP
>Jul 27 00:15:29.816: %LINEPROTO-5-UPDOWN: Line protocol on Interface
>Serial0/0, changed state to up
>Jul 27 00:15:29.816: IF-EvD(Serial0/0): IP
Routing reports state transition
> from UP to UP
>
>HTH
>Victor.-
>
>
>
>-----Mensaje original-----
>De: nobody@groupstudy.com
[mailto:nobody@groupstudy.com] En nombre de Sami
>Enviado el: Miircoles, 26 de
Julio de 2006 06:03 p.m.
>Para: ccielab
>Asunto: dampening
>
>Group,
>
>One of
the task say ..3 interfcae flaps in 30 second will keep interface
>participating in routing...Is this correct ?
>
>dampening 30 1000 2000 120..
>
>Thanks
>
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