Command Manual – Routing Protocol
Quidway S8500 Series Routing Switches
Chapter 5 BGP Configuration Commands
Huawei Technologies Proprietary
5-7
ASs in this command are inside the confederation and each AS uses fully meshed
network. The confederation appears as a single AS to the routers outside it.
Related command:
confederation nonstandard
,
confederation id
.
Example
# Configure the confederation contains AS 2001 and 2002.
[Quidway-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 semi-dampening when the route is reachable. The
range is 1 to 45 minutes. By default, the value is 15 minutes.
half-life-unreachable
: Specifies the semi-dampening when the route is unreachable.
The range is 1 to 45 minutes. By default, the value is 15 minutes.
reuse:
When the penalty is reduced under this value, the route is reused. The range is
1 to 20000. By default, the value is 750.
suppress:
When the penalty exceeds this value, the route is suppressed. The range is
1 to 20000. By default, the value is 2000.
ceiling
: The upper threshold of the penalty. The range is 1001 to 20000. By default, the
value is 16000.
policy-name:
Configures route policy name.
If these parameters are not set, their default values will be used.
The parameters are mutually dependent. Once one of these parameters is configured,
all other parameters should also be specified.
Description
Use the
dampening
command to make BGP route attenuation valid or modify various
BGP route attenuation parameters.
Use the
undo dampening
command to make the characteristics invalid.
By default, no route attenuation is configured.