August 2000
Intermediate to advanced
528 pages
12h 44m
English
Content preview from Internet Routing Architectures, Second Edition
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Route Dampening
Route dampening is a mechanism used to minimize the instability caused by route flapping and oscillation over the network. The following is the command used to control route dampening:
bgp dampening [[route-map map-name] [half-life-time reuse-value suppress-value maximum-suppress-time]]
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half-life-time is in the range of 1 to 45 minutes. The current default is 15 minutes.
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reuse-value is in the range of 1 to 20000. The default is 750.
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suppress-value is in the range of 1 to 20000. The default is 2000.
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maximum-suppress-time is the maximum duration that a route can be suppressed. The range is 1 to 255. The default is 4 × half-life-time.
A route map can be associated with BGP dampening to selectively apply the dampening ...
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