Reference Guide
Related
Commands
bgp confederation identifier — configures a confederation ID.
bgp four-octet-as-support — enables 4-byte support for the BGP process.
bgp dampening
Enable BGP route dampening and configure the dampening parameters.
Z9000
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 flapping route’s Penalty value. If the Penalty value is less than the
reuse value, the flapping 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 flapping route’s Penalty value. If the Penalty value is
greater than the suppress value, the flapping 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
configured route map.
Only match commands in the configured route map are supported.
Defaults Disabled.
Command Modes
• ROUTER BGP
• ROUTER BGP-address-family
Command History
This guide is platform-specific. For command information about other platforms, refer to the
relevant
FTOS Command Line Reference Guide
.
The following is a list of the FTOS version history for this command.
Version 8.3.19.0 Introduced on the S4820T.
Version 8.3.11.1 Introduced on the Z9000.
268