Brocade Multi-Service IronWare Routing Configuration Guide (Supporting R05.6.00) - Manual (Page 88)

60 Multi-Service IronWare Routing Configuration Guide
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Configuring a BGP4 peer group
The neighbor parameter has the following sub-parameters:
as number identifies neighbors with the specified AS number, 1-4294967295
A.B.C.D identifies the neighbor IP address
peer group name clears the peer group name identified using ASCII string
all clears all BGP neighbors
To clear IPv6 multicast route information with respect to IPv4 neighbor, enter the clear ip mbgp
ipv6 neighbor command.
Syntax: clear ip mgbp ipv6 [neighbor as number] | [A.B.C.D] | [peer group name] | [all]]
The neighbor parameter has the following sub-parameters:
as number identifies neighbors with the specified AS number, 1-4294967295
A.B.C.D identifies the neighbor IP address
peer group name clears the peer group name identified using ASCII string
all clears all BGP neighbors
Configuring a BGP4 peer group
A peer group is a set of BGP4 neighbors that share common parameters. The benefits of peer
groups are:
• Simplified neighbor configuration – You can configure a set of neighbor parameters and then
apply them to multiple neighbors. You do not need to configure the common parameters
individually on each neighbor.
• Flash memory conservation – Using peer groups instead of individually configuring all the
parameters for each neighbor requires fewer configuration commands in the startup
configuration file.
You can perform the following tasks on a peer-group basis:
• Reset neighbor sessions
• Perform soft-outbound resets (the device updates outgoing route information to neighbors but
does not entirely reset the sessions with those neighbors)
• Clear BGP4 message statistics
• Clear error buffers
Peer group parameters
You can set all neighbor parameters in a peer group. When you add a neighbor to the peer group,
the neighbor receives all the parameter settings you set in the group, except parameter values you
have explicitly configured for the neighbor. If you do not set a neighbor parameter in the peer group
and the parameter also is not set for the individual neighbor, the neighbor uses the default value.
Configuration rules
The following rules apply to peer group configuration:
• You must configure a peer group before you can add neighbors to the peer group.