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
â– There is no no version.
â– See clear bgp ipv6 dampening.
â– 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. Then use the set dampening command to specify the dampening values that
apply to routes that pass all the match clauses for that route map. Consider the
following example:
host1(config)#route-map 21 permit 5
host1(config-route-map)#match as-path 1
host1(config-route-map)#set dampening 5 1000 1500 45 15
host1(config-route-map)#exit
host1(config)#ip as-path access-list 1 permit ^300_
Access list 1 permits routes that originate in AS 300. Instance 5 of route map 21
permits routes that match access list 1 and applies the set of dampening criteria to
only those routes; in this case, routes that originate in AS 300.
You can restore the advertisement of routes suppressed as a result of policy-based
route flap dampening by issuing the neighbor unsuppress-map command. You can
unsuppress routes from a specified neighbor or peer group. You must specify a route
map; only those routes that match the route map are unsuppressed.
neighbor unsuppress-map
â– Use to unsuppress routes that have been suppressed by a set dampening clause
in a route map.
â– If you specify a BGP peer group by using the peerGroupName argument, all the
members of the peer group inherit the characteristic configured with this
command. You cannot override this inheritance for a peer group member.
104 â– Configuring BGP Routing Policy
JUNOSe 11.1.x BGP and MPLS Configuration Guide
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