R3303-HP HSR6800 Routers IP Multicast Configuration Guide

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• If you do not configure these parameters in the global scope zone or admin-scoped zone, the
corresponding global values will be used.
For information about how to configure C-BSR parameters for an admin-scoped zone and global scope
zone, see "Configuring C-BSRs for each admin-scoped zone and the global-scoped zone
."
Perform the following configuration on C-BSR routers.
To configure C-BSR parameters:
Ste
p
Command Remarks
1. Enter system view.
system-view N/A
2. Enter public network PIM view
or VPN instance PIM view.
pim [ vpn-instance
vpn-instance-name ]
N/A
3. Configure the hash mask
length.
c-bsr hash-length hash-length
Optional.
30 by default.
4. Configure the C-BSR priority.
c-bsr priority priority
Optional.
By default, the C-BSR priority is 64.
Configuring C-BSR timers
The BSR election winner multicasts its own IP address and RP-set information through bootstrap messages
within the entire zone it serves. The BSR floods bootstrap messages throughout the network at the interval
of BS (BSR state) period. Any C-BSR that receives a bootstrap message retains the RP-set for the length of
BS timeout timer, during which no BSR election takes place. If no bootstrap message is received from the
BSR when the BS timeout timer expires, a new BSR election process is triggered among the C-BSRs.
Perform the following configuration on C-BSR routers.
To configure C-BSR timers:
Ste
p
Command Remarks
1. Enter system view.
system-view N/A
2. Enter public network PIM view
or VPN instance PIM view.
pim [ vpn-instance
vpn-instance-name ]
N/A
3. Configure the BS period.
c-bsr interval interval
Optional.
By default, the BS period is
determined by the formula "BS
period = (BS timeout timer– 10) /
2." The default BS timeout timer is
130 seconds, so the default BS
period is (130 – 10) / 2 = 60
(seconds).
The BS period value must be
smaller than the BS timeout timer.