Reference Guide

Version 8.3.19.0 Introduced on the S4820T.
Version 8.3.11.1 Introduced on the Z9000.
Version 8.3.7.0 Introduced on the S4810.
Version 7.8.1.0 Introduced on the S-Series.
Version 7.7.1.0 Introduced on the C-Series.
Usage
Information
Loopback interfaces are up constantly and the BGP session may need one interface constantly
up to stabilize the session. The neighbor update-source command is not necessary for
directly connected internal BGP sessions.
neighbor weight
Assign a weight to the neighbor connection, which is used to determine the best path.
Z-Series
Syntax
neighbor {ip-address | peer-group-name} weight weight
To remove a weight value, use the no neighbor {ip-address | peer-group-
name} weight command.
Parameters
ip-address Enter the IP address of the peer router in dotted decimal format.
peer-group-name Enter the name of the peer group to disable all routers within the peer
group.
weight Enter a number as the weight. The range is from 0 to 65535. The
default is 0.
Defaults 0
Command Modes ROUTER BGP
Command History
This guide is platform-specific. For command information about other platforms, refer to the
relevant FTOS Command Line Reference Guide .
The following is a list of the FTOS version history for this command.
Version 8.3.19.0 Introduced on the S4820T.
Version 8.3.11.1 Introduced on the Z9000.
Version 8.3.7.0 Introduced on the S4810.
Version 7.8.1.0 Introduced on the S-Series.
Version 7.7.1.0 Introduced on the C-Series.
Usage
Information
In the FTOS best path selection process, the path with the highest weight value is preferred.
NOTE: In the FTOS best-path selection process, the path with the highest weight value is
preferred.
If you configure the set weight command in a route map applied to this neighbor, the
weight set in that command overrides the weight set in the neighbor weight command.
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