H3C Technologies H3C SecPath F1000-E - Manual (Page 118)

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and advertises it to all routers in the PIM-SM domain. All the routers use the same Hash algorithm to get
the RP address corresponding to specific multicast groups.
Perform the following configuration on C-BSR routers.
Follow these steps to configure C-BSR parameters:
To do… Use the command… Remarks
Enter system view system-view —
Enter public network PIM view pim —
Configure the Hash mask length c-bsr hash-length hash-length
Optional
30 by default
Configure the C-BSR priority c-bsr priority priority
Optional
By default, the C-BSR priority is 64.
NOTE:
About the Hash mask length and C-BSR priority:
• You can configure these parameters at three levels: global configuration level, global scope zone
level, and admin-scope zone level.
• The value of these parameters configured at the global scope zone level or admin-scope zone
level have preference over the global values.
• If you do not configure these parameters at the global scope zone level or admin-scope zone
level, the corresponding global values will be used.
For configuration of C-BSR parameters for an admin-scope zone and global scope zone, see
Configuring C-BSRs for each admin-scope zone and the global-scope zone .
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, during which no BSR election takes place. If the BSR state times out and no bootstrap
message is received from the BSR, a new BSR election process is triggered among the C-BSRs.
Perform the following configuration on C-BSR routers.
Follow these steps to configure C-BSR timers:
To do… Use the command… Remarks
Enter system view system-view —
Enter public network PIM view pim —
Configure the BS period c-bsr interval interval
Optional
For the default value, see the note
below.
Configure the BS timeout c-bsr holdtime interval
Optional
For the default value, see the note
below.