Reference Guide

Border Gateway Protocol | 221
Defaults
Disabled.
Command Modes
ROUTER BGP
ROUTER BGP-address-family
Usage
Information
If you enter bgp dampening, the default values for half-life, reuse, suppress, and
max-suppress-time are applied. The parameters are position-dependent, therefore, if you configure
one parameter, you must configure the parameters in the order they appear in the CLI.
Related
Commands
Command
History
bgp default local-preference
s z
Change the default local preference value for routes exchanged between internal BGP peers.
Syntax
bgp default local-preference value
To return to the default value, enter no bgp default local-preference.
Parameters
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).
Range: 1 to 20000.
Default: 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).
Range: 1 to 20000.
Default: 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.
Range: 1 to 255.
Default: 60 minutes.
route-map map-name (OPTIONAL) Enter the keyword route-map followed by the name of a
configured route map.
Only match commands in the configured route map are supported.
show ip bgp dampened-paths View the BGP paths
Version 9.0.2.0 Introduced on the S6000.
Version 8.3.11.1 Introduced on the Z9000.
Version 7.8.1.0 Introduced support on S-Series
S6000
value
Enter a number to assign to routes as the degree of preference for those routes. When
routes are compared, the higher the degree of preference or local preference value, the
more the route is preferred.
Range: 0 to 4294967295
Default: 100