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interface Enter the keyword loopback then a number of the Loopback interface. The range
is from 0 to 16383.
Defaults Not configured.
Command Modes ROUTER BGP
Supported Modes Full–Switch
Command
History
Version Description
9.9(0.0) Introduced on the FN IOM.
9.2(0.0) Introduced on the MXL 10/40GbE Switch IO Module.
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.
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
Supported Modes Full–Switch
Command
History
Version Description
9.9(0.0) Introduced on the FN IOM.
9.2(0.0) Introduced on the MXL 10/40GbE Switch IO Module.
Usage
Information
In the system best path selection process, the path with the highest weight value is preferred.
NOTE: In the system 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.
network
Specify the networks for the BGP process and enter them in the BGP routing table.
Syntax
network ip-address mask [route-map map-name]
To remove a network, use the no network ip-address mask [route-map map-name]
command.
Parameters
ip-address Enter an IP address in dotted decimal format of the network.
298 Border Gateway Protocol IPv4 (BGPv4)