H3C Technologies H3C SecPath F1000-E - Manual (Page 643)

618
Step Command Remarks
4. Configure the C-BSR priority. c-bsr priority priority
Optional.
By default, the C-BSR
priority is 64.
NOTE:
You can configure the hash mask length and C-BSR priority globally, in an admin-scoped zone, and in the
global-scoped zone.
• The values configured in the global-scoped zone or admin-scoped zone have preference over the
global values.
• If you do not configure these parameters in the global-scoped zone or admin-scoped zone, the
corresponding global values will be used.
For configuration of C-BSR parameters for an admin-scoped zone and global-scoped zone, see
"
Configuring C-BSRs for each admin-scoped zone and the global-scoped zone ."
4. 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.
To configure C-BSR timers:
Step Command Remarks
1. Enter system view. system-view N/A
2. Enter public network PIM view. pim N/A
3. Configure the BS period. c-bsr interval interval
Optional.
For the default value, see
the note after this table.
4. Configure the BS timeout. c-bsr holdtime interval
Optional.
For the default value, see
the note after this table.
NOTE:
About the BS period:
• By default, the BS period is determined by this formula: BS period = (BS timeout – 10) / 2. The default
BS timeout is 130 seconds, so the default BS period = (130 – 10) / 2 = 60 (seconds).
• If this parameter is manually configured, the system will use the configured value.
About the BS timeout:
• By default, the BS timeout value is determined by this formula: BS timeout = BS period × 2 + 10. The
default BS period is 60 seconds, so the default BS timeout = 60 × 2 + 10 = 130 (seconds).
• If this parameter is manually configured, the system will use the configured value.