Reference Guide

256 | Border Gateway Protocol
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To use the closest interface, use the no neighbor {ip-address | peer-group-name} update-source
interface command.
Parameters
Defaults
Not configured.
Command Modes
ROUTER BGP
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.
Command
History
neighbor weight
s z
Assign a weight to the neighbor connection, which is used to determine the best path.
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
Defaults
0
Command Modes
ROUTER BGP
Usage
Information
In the FTOS best path selection process, the path with the highest weight value is preferred.
If the set weight command is configured in a route map applied to this neighbor, the weight set in that
command overrides the weight set in the neighbor weight command.
Related
Commands
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.
interface Enter the keyword loopback followed by a number of the loopback interface.
Range: 0 to 16383.
Version 9.0.2.0 Introduced on the S6000.
Version 8.3.11.1 Introduced on the Z9000.
Version 7.8.1.0 Introduced support on S-Series
S6000
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.
Range: 0 to 65535
Default: 0
Note: Reset the neighbor connection (clear ip bgp * command) to apply the weight to the
connection and recompute the best path.
set weight Assign a weight to all paths meeting the route map criteria.