• The new dampening parameters are applied in future flaps. Changing the dampening
parameters does not affect the Figure of Merit that has been calculated for routes
using the old dampening parameters. To reset the Figure-of-Merit for all routes, you
must issue the clear ip bgp dampening command.
• Use the no version to disable route flap dampening.
• See bgp dampening.
clear bgp ipv6 dampening
clear ip bgp dampening
• Use to clear the BGP route flap dampening information and unsuppress the suppressed
routes.
• You can use the flap-statistics keyword as an alternative to the dampening keyword.
Both achieve the same results.
• This command takes effect immediately.
• Examples
To clear IPv6 dampening information for all routes in all routers:
host1#clear bgp ipv6 dampening
To clear IPv6 dampening information for a specific route:
host1#clear bgp ipv6 dampening 6000::/64
To clear IPv4 dampening information for all routes in all address families in all VRFs:
host1#clear ip bgp dampening
To clear IPv4 dampening information for all routes in VRF dogwood:
host1#clear ip bgp ipv4 dogwood dampening
To clear IPv4 dampening information for all non-VRF routes in the IPv4 unicast address
family:
host1#clear ip bgp vrf unicast dampening
To clear IPv4 dampening information for a specific route:
host1#clear ip bgp dampening 192.168.5.0 255.255.255.0
To clear IPv4 dampening information for the most specific route matching an address:
host1#clear ip bgp dampening 192.168.5.0
• There is no no version.
• See clear bgp ipv6 dampening.
• See clear ip bgp dampening.
Policy-Based Route Flap Dampening
You can use policy-based route flap dampening to apply different dampening criteria to
different routes. Establish one or more match clauses for an instance of a route map.
101Copyright © 2010, Juniper Networks, Inc.
Chapter 1: Configuring BGP Routing
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