Command Line Reference Guide

302 | Border Gateway Protocol IPv4(BGPv4)
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If you specify a BGP peer group by using the peer-group-name parameter, all the members of the peer
group will inherit the characteristic configured with this command.
If you configure a password on one neighbor, but you have not configured a password for the
neighboring router, the following message appears on the console while the routers attempt to establish
a BGP session between them:
%RPM0-P:RP1 %KERN-6-INT: No BGP MD5 from [peer's IP address]
:179 to [local router's IP address]:65524
Also, if you configure different passwords on the two routers, the following message appears on the
console:
%RPM0-P:RP1 %KERN-6-INT: BGP MD5 password mismatch from
[peer's IP address] : 11502 to [local router's IP address] :179
Command
History
neighbor peer-group (assigning peers)
c e s
Enables you to assign one peer to a existing peer group.
Syntax
neighbor ip-address peer-group peer-group-name
To delete a peer from a peer group, use the no neighbor ip-address peer-group peer-group-name
command.
Parameters
Defaults
Not configured.
Command Modes
ROUTER BGP
Usage
Information
You can assign up to 256 peers to one peer group.
When you add a peer to a peer group, it inherits all the peer group’s configured parameters. A peer
cannot become part of a peer group if any of the following commands are configured on the peer:
• neighbor advertisement-interval
• neighbor distribute-list out
• neighbor filter-list out
• neighbor next-hop-self
• neighbor route-map out
• neighbor route-reflector-client
• neighbor send-community
Version 8.3.5.0 Introduced on the S55.
Version 7.8.1.0 Introduced support on S-Series
Version 7.7.1.0 Introduced support on C-Series
ip-address Enter the IP address of the router to be included in the peer group.
peer-group-name
Enter the name of a configured peer group.