Command Reference Guide

3Com Router 5000 Family and Router 6000 Family c-bsr ● 9
Command Reference
c-bsr
Purpose Use the c-bsr command to configure a candidate BSR.
Use the undo c-bsr command to remove the candidate BSR configuration.
Syntax c-bsr interface-type interface-number hash-mask-len [ priority ]
undo c-bsr
Parameters interface-type
interface-number
Interface type and interface number of a router. A
candidate BSR is configured on this interface. PIM-SM
must be enabled on this interface, the configuration
can take effect.
hash-mask-len
Mask length. The mask performs “And” operation
with multicast address at first and then performs the
operation of searching for RP. Valid values are 0 to 32.
priority
Priority of the candidate BSR. The larger the value is,
the higher the priority of candidate BSR is. Valid values
are 0 to 255.
If not specified, the default priority is 0.
Default By default, no candidate BSR is set.
Example Configure the IP address of the router on Ethernet1/0/0 as a candidate BSR with the
priority 2.
<3Com> system-view
[3Com] multicast routing-enable
[3Com] pim
[3Com-pim] c-bsr ethernet1/0/0 30 2
View This command can be used in the following views:
■ PIM view
Description Since BSR and other devices in PIM domain need to exchange a great deal of
information during candidate BSR configuration, a relatively large bandwidth must be
guaranteed.
Related Command pim sm