C613-50631-01 Rev A Command Reference for IE340 Series 1333
AlliedWare Plus™ Operating System - Version 5.5.3-0.x
BGP AND BGP4+ COMMANDS
BGP
DAMPENING
Mode [BGP4+] IPv6 Address Family Configuration
Usage notes Route dampening minimizes the instability caused by route flapping. A penalty is
added for every flap in a flapping route. As soon as the total penalty reaches the
suppress limit the advertisement of the route is suppressed. This penalty is
decayed according to the configured half time value. Once the penalty is lower
than the reuse limit, the route advertisement is un-suppressed.
The dampening information is purged from the router once the penalty becomes
less than half of the reuse limit.
Example [BGP]
awplus# configure terminal
awplus(config)# router bgp 11
awplus(config-router)# bgp dampening 20 800 2500 80 25
Example [BGP4+] awplus# configure terminal
awplus(config)# router bgp 11
awplus(config-router)# address-family ipv6
awplus(config-router-af)# bgp dampening 20 800 2500 80 25
Command
changes
Added to AlliedWare Plus prior to 5.4.6-1
Version 5.4.7-2.1: BGP support added for x510 and x550 series
Version 5.4.7-2.4: BGP support added for IE300 series
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