Configuring As Confederation For Bgp - D-Link xStack DGS-3610 Series Configuration Manual

DGS-3610 Series Configuration Guide
Command
Router(config-router)# bgp
dampening half-life-time reuse
suppress max-suppress-time
If it is necessary to monitor the route dampening information, execute the following
operations in the privileged mode:
Command
Router# show ip bgp dampening
flap-statistics
Router# show ip bgp dampening
dampened-paths
To clear the route dampened information or clear the dampened route, execute the following
operations in the BGP configuration mode:
Command
Router# clear ip bgp flap-statistics
Router# clear ip bgp flap-statistics
address mask
Router# clear ip bgp dampening
[address mask]
29.14 Configuring AS Confederation for
BGP
The confederation is a measure to reduce the connections of the IBGP peer within the AS.
One AS is divided into several sub ASs and one unified confederation ID (namely,
confederation AS number) is set to constitute these sub ASs into a confederation. For the
external confederation, the whole confederation is still considered as one AS, and only the
confederation AS number is visible for the external network. Within the confederation, the full
IBGP peer connection is still established among the BGP Speakers within the sub AS, and
the EBGP connection is established among the BGP Speakers within the sub AS. Although
the EBGP connection is established among BGP Speakers within the sub AS, the path
Chapter 29 BGP Configuration
Meaning
(Optional) Configure the parameters of the route
dampening.
half-life-time(1-45minutes), 15minutes by default.
reuse (1-20000), 750 by default.
suppress (1-20000), 2000 by default.
max-supress-time (1-255minutes), 4*half-life-time by
default.
Meaning
Show the flap statistics information of all routers.
Show the dampened statistics information.
Meaning
Clear the flap statistics information of all
un-dampened route.
Clear the flap statistics information of specified route
(excluding the dampened route).
Clear the flap statistics information of all routes, and
release the suppressed routes.
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