Configuring Bgp Route Dampening; Configuring Bgp Route Attributes - H3C S5500-EI series Operation Manual

Operation Manual – IPv4 Routing
H3C S5500-EI Series Ethernet Switches

5.4.8 Configuring BGP Route Dampening

By configuring BGP route dampening, you can suppress unstable routes from neither
adding them to the local routing table nor advertising them to BGP peers.
Follow these steps to configure BGP route dampening:
To do...
Enter system view
Enter BGP view
Configure BGP route
dampening

5.5 Configuring BGP Route Attributes

5.5.1 Prerequisites
Before configuring this task, you have configured BGP basic functions.
5.5.2 Configuration Procedure
You can configure BGP route attributes to influence BGP route selection.
Follow these steps to configure BGP route attributes:
Enter system view
Enter BGP view
Configure preferences for
external, internal, local routes
Configure the default local
preference
Use the command...
system-view
bgp as-number
dampening
[ half-life-reachable
half-life-unreachable reuse
suppress ceiling | route-policy
route-policy-name ] *
To do...
Use the
command...
system-view
bgp as-number
preference
{ external-preferenc
e
internal-preference
local-preference |
route-policy
route-policy-name }
default
local-preference
value
5-27
Chapter 5 BGP Configuration
Remarks
—
—
Optional
Not configured by default
Remarks
—
—
Optional
The default preferences of
external, internal, and local
routes are 255, 255, and
130 respectively.
Optional
100 by default