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Controlling route distribution and reception > Configuring BGP route dampening

 

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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.

To configure BGP route dampening (IPv4):

Step

Command

Remarks

1. Enter system view.

system-view

N/A

2. Enter BGP view or BGP-VPN instance view.

  • Enter BGP view:bgp as-number

  • Enter BGP-VPN instance view:

    1. bgp as-number

    2. ip vpn-instance vpn-instance-name

N/A

3. Enter BGP IPv4 unicast address family view or BGP-VPN IPv4 unicast address family view.

address-family ipv4 [ unicast ]

N/A

4. 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):

Step

Command

Remarks

1. Enter system view.

system-view

N/A

2. Enter BGP view or BGP-VPN instance view.

  • Enter BGP view:bgp as-number

  • Enter BGP-VPN instance view:

    1. bgp as-number

    2. ip vpn-instance vpn-instance-name

N/A

3. Enter BGP IPv6 unicast address family view or BGP-VPN IPv6 unicast address family view.

address-family ipv6 [ unicast ]

N/A

4. 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.

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