Switch 7700 Command reference Guide, v2.0

BGP Configuration Commands 193
Parameter
half_life_reachable: Specify 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: Specify the semi-dampening when the route is
unreachable. The range is 1 to 45 minutes. By default, the value is 15 minutes.
reuse: The penalty value of a route when it start to be reused. The range is 1 to
20000. By default, the value is 750.
suppress: The penalty threshold of a route when it start to be 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: Configure route policy name.
If the parameters are not set, the BGP route attenuation is valid and each
parameter is taken as the default value. The parameters are mutually dependent.
Once configure any parameter, 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.
Related commands: reset dampening, reset bgp flap-info, display bgp
routing-table dampening
, display bgp routing-table flap-info.
Example
[SW7700-bgp]dampening 15 15 1000 2000 10000
debugging bgp Syntax
debugging bgp { all | event | keepalive | open | packet |
route-refresh | update } [ receive | send ] [ verbose ]
undo debugging bgp { all | event | keepalive | open | packet |
route-refresh | update }
View
User view
Parameter
all: Indicating to enable all BGP information debugging.
event: Indicating to enable BGP event information debugging.
keepalive: Indicating to enable BGP Keepalive packet information debugging.
open: Indicating to enable BGP Open packet information debugging.