Operation Manual – IPv4 Routing
H3C S3610&S5510 Series Ethernet Switches
Chapter 5 BGP Configuration
5-27
Follow these steps to configure BGP and IGP synchronization:
To do…
Use the command…
Remarks
Enter system view
system-view
—
Enter BGP view
bgp
as-number
—
Enable synchronization
between BGP and IGP
synchronization
Required
Not enabled by default
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…
Use the command…
Remarks
Enter system view
system-view
—
Enter BGP view
bgp
as-number
—
Configure BGP route
dampening
dampening
[
half-life-reachable
half-life-unreachable reuse
suppress ceiling
|
route-policy
route-policy-name
] *
Optional
Not configured by
default
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:
To do…
Use the command…
Remarks
Enter system view
system-view
—
Enter BGP view
bgp
as-number
—
Configure preferences for
external, internal, local
routes
preference
{
external-preference
internal-preference
local-preference
|
route-policy
route-policy-name
}
Optional
The default preferences of
external, internal, and local
routes are 255, 255, and
130 respectively.