Command Reference Guide

3Com Router 3000 Ethernet Family
Command Reference Guide
Chapter 5 BGP Configuration Commands
3Com Corporation
5-7
Use the undo confederation peer-as command to expel the specified sub-ASs from
the confederation.
By default, no sub-AS is configured as a member of the confederation.
The sub-ASs specified in this command must be inside a confederation and each
sub-AS must be a fully meshed network. The confederation id command must be
used to specify the confederation to which each sub-AS belongs; otherwise, this
configuration is invalid
Related command: confederation nonstandard and confederation id.
Example
# Configure the confederation to contain AS 2000 and 2001.
[3Com -bgp] confederation peer-as 2000 2001
5.1.8 dampening
Syntax
dampening [ half-life-reachable half-life-unreachable reuse suppress ceiling ]
[ route-policy policy-name ]
undo dampening
View
BGP view
Parameter
half-life-reachable: Specifies the half-life when the route is reachable. The range is 1 to
45 minutes. By default, the value is 15 minutes.
half-life-unreachable: Specifies the half-life when the route is unreachable. The range is
1 to 45 minutes. By default, the value is 15 minutes.
reuse: Penalty value of a route when it starts to be reused. The range is 1 to 20000. By
default, its value is 750.
suppress: Penalty threshold of a route when it starts to be suppressed. The range is 1
to 20000. By default, its value is 2000.
ceiling: Upper threshold of the penalty. The range is 1001 to 20000. By default, its value
is 16000.
policy-name: Route policy name.
Description
Use the dampening command to make BGP route dampening valid or modify various
BGP route dampening parameters.