CLI Guide

Version Description
8.3.19.0 Introduced on the S4820T.
8.3.11.1 Introduced on the Z9000.
8.3.7.0 Introduced on the S4810.
7.8.1.0 Introduced on the S-Series.
7.7.1.0 Introduced on the C-Series. Added support for the 4-byte
format.
Usage Information
All the routers in the Confederation must be 4 byte or 2 byte identified routers. You
cannot mix them.
The autonomous systems configured in this command are visible to the EBGP
neighbors. Each autonomous system is fully meshed and contains a few
connections to other autonomous systems.
After specifying autonomous systems numbers for the BGP confederation, recycle
the peers to update their configuration.
Related
Commands
• bgp confederation identifier — configure a confederation ID.
• bgp four-octet-as-support — enable 4-byte support for the BGP process.
bgp dampening
Enable BGP route dampening and configure the dampening parameters.
Syntax
bgp dampening [half-life reuse suppress max-suppress-time]
[route-map map-name]
To disable route dampening, use the no bgp dampening [half-life reuse
suppress max-suppress-time] [route-map map-name] command.
Parameters
half-life (OPTIONAL) Enter the number of minutes after which the
Penalty is decreased. After the router assigns a Penalty of
1024 to a route, the Penalty is decreased by half after the
half-life period expires. The range is from 1 to 45. The
default is 15 minutes.
reuse (OPTIONAL) Enter a number as the reuse value, which is
compared to the flapping route’s Penalty value. If the
Penalty value is less than the reuse value, the flapping route
is once again advertised (or no longer suppressed). The
range is from 1 to 20000. The default is 750.
suppress (OPTIONAL) Enter a number as the suppress value, which is
compared to the flapping route’s Penalty value. If the
Penalty value is greater than the suppress value, the flapping
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Border Gateway Protocol