Allied Telesis BGP4, VERSION 5.4.3-2.6 manual Show ip bgp dampening BGP, Dampened-paths

BGP and BGP4+ Commands

show ip bgp dampening (BGP)

Use this command to show dampened routes from a BGP instance within an IPv4 environment. Use the show bgp ipv6 dampening (BGP4+) command within an IPv6 environment.

For information on output options, see “Controlling “show” Command Output” on page 3.6.

Syntax show ip bgp dampening {dampened-pathsflap-statisticsparameters}

Syntax [VRF] show ip bgp [unicast] dampening {dampened-pathsflap-statistics parameters}

show ip bgp [globalvrf <vrf-name>] dampening {dampened-paths flap-statisticsparameters}

Parameter	Description
global	When VRF-Lite is configured, apply the command to the global
	routing and forwarding table.
vrf	Apply the command to the specified VRF instance.
<vrf-name>	The name of the VRF instance.
dampened-paths	Display paths suppressed due to dampening.
flap-statistics	Display flap statistics of routes.
parameters	Display details of configured dampening parameters.

Mode User Exec and Privileged Exec

Usage Enable BGP dampening to maintain dampened-path information in memory.

Examples

awplus# show ip bgp dampening dampened-paths

awplus# show ip bgp vrf red dampening dampened-paths awplus# show ip bgp global dampening flap-statistics

Output Figure 3-11: Example output from the show ip bgp dampening command

dampening 15	750 2000 60 15
Reachability Half-Life time		: 15	min
Reuse penalty		: 750
Suppress penalty		: 2000
Max suppress time		: 60	min
Un-reachability Half-Life time		: 15	min
Max penalty	(ceil)	: 11999
Min penalty	(floor)	: 375

The following example output shows that the internal route (i), has flapped 3 times and is now categorized as history (h).

	Software Reference Supplement for SwitchBlade® x8112, x908, x900 and x610 Series Switches
3.226	AlliedWare PlusTM Operating System - Software Version 5.4.3-2.6	C613-50032-01 REV D