From: Scott Morris (smorris@ipexpert.com)
Date: Tue Oct 09 2007 - 08:54:46 ART
That's making it possible to set different dampening values (suppress,
half-life, etc.) for different classes of routes.
No, you cannot change the penalty value of 1000.
HTH,
Scott Morris, CCIE4 (R&S/ISP-Dial/Security/Service Provider) #4713, JNCIE-M
#153, CISSP, et al.
CCSI/JNCI-M/JNCI-ER
VP - Technical Training - IPexpert, Inc.
IPexpert Sr. Technical Instructor
A Cisco Learning Partner - We Accept Learning Credits!
smorris@ipexpert.com
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-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
sheherezada@gmail.com
Sent: Tuesday, October 09, 2007 3:12 AM
To: Con Spathas
Cc: Joseph Saad; Cisco certification
Subject: Re: change default penalty value for BGP dampening
Yes it's possible. See example below.
router bgp 65535
bgp dampening route-map gradedFlapDamping !
route-map gradedFlapDamping deny 5
match ip address prefix-list <your aggregates> !
route-map gradedFlapDamping deny 10
match ip address prefix-list <dns root servers & stuff> !
route-map gradedFlapDamping permit 20
match ip address prefix-list <below /24> set dampening 15 820 3000 30 !
route-map gradedFlapDamping permit 30
match ip address prefix-list <larger networks> set dampening 15 750 3000
45 !
route-map gradedFlapDamping permit 40
set dampening 10 1500 3000 30
HTH,
Mihai Dumitru
CCIE #16616 (SP, R&S)
On 10/9/07, Con Spathas <con@spathas.net> wrote:
> Actually sorry - a little premature ejaculation there on my part.
>
> I haven't actually seen where you can adjust the "penalty" itself.
> Be interested as well now to know if it's possible to change it or not!!
>
> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf
> Of Joseph Saad
> Sent: Monday, 8 October 2007 20:24
> To: Cisco certification
> Subject: change default penalty value for BGP dampening
>
> As stated in most text books, default penalty value is 1000 per flap
> for bgp routes.
>
> Is there a way to change this default value?
>
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