Connectivity Guide

NOTE: To congure these settings for a non default VRF instance, you must rst enter the ROUTER-
CONFIG-VRF sub mode using the following commands:
1 Enter the ROUTER BGP mode using the router bgp as-number command.
2 From the ROUTER BGP mode, enter the ROUTER BGP VRF mode using the vrf vrf-name
command.
Example
OS10(conf-router-bgp-2)# client-to-client reflection
Supported Releases 10.2.0E or later
cluster-id
Assigns a cluster ID to a BGP cluster with multiple route reectors.
Syntax
cluster-id {number | ip-address}
Parameters
• number—Enter a route reector cluster ID as a 32-bit number, from 1 to 4294967295.
• ip-address—Enter an IP address as the route-reector cluster ID.
Default Router ID
Command Mode ROUTER-BGP
Usage Information If a cluster contains only one route reector, the cluster ID is the route reector’s router ID. For redundancy, a BGP
cluster may contain two or more route reectors. Without a cluster ID, the route reector cannot recognize route
updates from the other route reectors within the cluster. The default format to display the cluster ID is A.B.C.D
format. If you enter the cluster ID as an integer, an integer displays. The no version of this command resets the
value to the default.
NOTE: To congure these settings for a non default VRF instance, you must rst enter the ROUTER-
CONFIG-VRF sub mode using the following commands:
1 Enter the ROUTER BGP mode using the router bgp as-number command.
2 From the ROUTER BGP mode, enter the ROUTER BGP VRF mode using the vrf vrf-name
command.
Example
OS10(conf-router-bgp-10)# cluster-id 3.3.3.3
Supported Releases 10.3.0E or later
bgp dampening
Enables BGP route-ap dampening and congures the dampening parameters.
Syntax
bgp dampening [half-life | reuse-limit | suppress-limit | max-suppress-time |
route-map-name]
Parameters
• half-life — (Optional) Enter the half-life time, in minutes, after which the penalty decreases. After the
router assigns a penalty of 1024 to a route, the penalty decreases by half after the half-life period expires, from
1 to 45.
• reuse-limit — (Optional) Enter a reuse-limit value, which compares to the apping route’s penalty value. If
the penalty value is less than the reuse value, the apping route advertises again and is not suppressed, from 1
to 20000.
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