From: Brian McGahan (bmcgahan@internetworkexpert.com)
Date: Wed Jul 28 2004 - 15:22:37 GMT-3
As a side-note to this topic, if you are using a route-map to
specify which routes you are doing dampening to, you must specify the
dampening parameters as the defaults are not inherited.
HTH,
Brian McGahan, CCIE #8593
bmcgahan@internetworkexpert.com
Internetwork Expert, Inc.
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> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf
Of
> Edwards, Andrew M
> Sent: Wednesday, July 28, 2004 1:00 PM
> To: Tan Choh Koon; ccielab@groupstudy.com
> Subject: RE: BGP Dampening - Many Way of Configuration Scenerio
>
> To my knowledge, all these are valid options. It just depends on what
> you are asked to do in a scenario/work situation...
>
> A) Dampen all routes from all sources to default values
> B) Dampen all routes from all sources to specific values
> C) Dampen specific routes to specific dampen parameters (could use
> default parameters as well here)
> D) Dampen specific routes from specific sources to specirfic dampening
> parameters
>
>
> The best thing I've learned in my studies so far is that ALL the
options
> we learn about have to deal with what I call "granular control". As
you
> notice, there are many ways to do things in the IOS, and they tend to
> just highlight a finer degree of granularity over the function. As an
> example, you have option A - D, each getting more granular and
providing
> you (the engineer) with a finer degree of control over that function.
>
> HTH
>
> andy
>
> -----Original Message-----
> From: Tan Choh Koon [mailto:tckoon@pc.jaring.my]
> Sent: Wednesday, July 28, 2004 10:38 AM
> To: ccielab@groupstudy.com
> Subject: BGP Dampening - Many Way of Configuration Scenerio
>
>
> Hi all,
>
> We can achieve the dampening configurations in many ways.
> If we use route-map , case C) & D) , do we need to have "bgp dampening
"
> command under router bgp 1 ? How about case B) , after we set the
> dampening value, do we need "bgp dampening" command under router bgp 1
?
>
>
> Regards.
>
> A) Enable and use default value
> --------------------------------
> router bgp 1
> bgp dampening
>
>
> B) Enable and use defined value
> --------------------------------
> router bgp 1
> bgp dampening 30 1500 10000 120
>
> C) Enable and Use route-map
> -----------------------------
> route-map tag
> match as path 10
> set dampening 30 1500 10000 120
>
> router bgp 1
> bgp dampening route-map bgp-dampening
>
>
> D) Bgp neighbor and route-map
> -----------------------------
>
> route-map tag
> match as path 10
> set dampening 30 1500 10000 120
>
> router bgp 1
> neighbor 171.69.233.52 route-map tag in
>
>
> ----------------------------------------------------------------
> This e-mail has been sent via JARING webmail at http://www.jaring.my
>
>
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