Configuring BGP route dampening
Route dampening enables BGP to not select unstable routes as optimal routes. This feature applies to EBGP routes but not to IBGP routes.
If an EBGP peer goes down after you configure this feature, routes coming from the peer are not deleted and they are dampened.
To configure BGP route dampening (IPv4 unicast/multicast address family):
Step | Command | Remarks |
|---|---|---|
1. Enter system view. | system-view | N/A |
2. Enter BGP IPv4 unicast address family view, BGP-VPN IPv4 unicast address family view, or BGP IPv4 multicast address family view. |
| N/A |
3. Configure BGP route dampening. | dampening [ half-life-reachable half-life-unreachable reuse suppress ceiling | route-policy route-policy-name ] * | By default, BGP route dampening is not configured. |
To configure BGP route dampening (IPv6 unicast/multicast address family):
Step | Command | Remarks |
|---|---|---|
1. Enter system view. | system-view | N/A |
2. Enter BGP IPv6 unicast address family view, BGP-VPN IPv6 unicast address family view, or BGP IPv6 multicast address family view. |
| N/A |
3. Configure IPv6 BGP route dampening. | dampening [ half-life-reachable half-life-unreachable reuse suppress ceiling | route-policy route-policy-name ] * | By default, IPv6 BGP route dampening is not configured. |