Users Guide

bgp dampening
Enable BGP route dampening and congure the dampening parameters.
Syntax
bgp dampening [half-life reuse suppress max-suppress-time] [route-map map-name]
To disable route dampening, use the no bgp dampening [half-life reuse suppress max-
suppress-time] [route-map map-name] command.
Parameters
half-life (OPTIONAL) Enter the number of minutes after which the Penalty is decreased. After the
router assigns a Penalty of 1024 to a route, the Penalty is decreased by half after the half-
life period expires. The range is from 1 to 45. The default is 15 minutes.
reuse (OPTIONAL) Enter a number as the reuse value, which is compared to the apping
route’s Penalty value. If the Penalty value is less than the reuse value, the apping route is
once again advertised (or no longer suppressed). The range is from 1 to 20000. The
default is 750.
suppress (OPTIONAL) Enter a number as the suppress value, which is compared to the apping
route’s Penalty value. If the Penalty value is greater than the suppress value, the apping
route is no longer advertised (that is, it is suppressed). The range is from 1 to 20000. The
default is 2000.
max-suppress-time (OPTIONAL) Enter the maximum number of minutes a route can be suppressed. The
default is four times the half-life value. The range is from 1 to 255. The default is 60
minutes.
route-map map-
name
(OPTIONAL) Enter the keyword route-map then the name of a congured route map.
Only match commands in the congured route map are supported.
Defaults Disabled.
Command Modes
• ROUTER BGP
• ROUTER BGP-address-family
Command History
This guide is platform-specic. For command information about other platforms, see the relevant Dell Networking
OS Command Line Reference Guide.
Version Description
9.8(0.0P5) Introduced on the S4048-ON.
9.8(0.0P2) Introduced on the S3048-ON.
9.7(0.0) Introduced on the S6000–ON.
9.2(1.0) Introduced on the Z9500.
9.0.2.0 Introduced on the S6000.
8.3.19.0 Introduced on the S4820T.
8.3.11.1 Introduced on the Z9000.
8.3.7.0 Introduced on the S4810.
342 Border Gateway Protocol