Configuring PIM-SM 647
Configuring a BSR admin-scope region boundary
A BSR has its specific service scope. A number of BSR boundary interfaces divide a
network into different BSR admin-scope regions. Bootstrap messages cannot cross
the admin-scope region boundary, while other types of PIM messages can.
Follow these steps to configure a BSR admin-scope region boundary:
Configuring global C-BSR parameters
The BSR election winner advertises its own IP address and RP-set information
throughout the region it serves through bootstrap messages. The BSR floods
bootstrap messages throughout the network periodically. Any C-BSR that receives
a bootstrap message maintains the BSR state for a configurable period of time
(BSR state timeout), during which no BSR election takes place. When the BSR state
times out, a new BSR election process will be triggered among the C-BSRs.
Follow these steps to configure global C-BSR parameters:
n
About the bootstrap timeout time
Enable BSR administrative
scoping
c-bsr admin-scope Required
Disabled by default
Configure an admin-scope
C-BSR
c-bsr group group-address
{ mask | mask-length }
[ hash-length hash-length |
priority priority ] *
Optional
No admin-scope BSRs by
default
To do… Use the command… Remarks
Enter system view system-view -
Enter interface view interface interface-type
interface-number
-
Configure a BSR admin-scope
region boundary
pim bsr-boundary Required
No BSR admin-scope region
boundary by default
To do… Use the command… Remarks
Enter system view system-view -
Enter PIM view pim -
Configure the Hash mask
length for RP selection
calculation
c-bsr hash-length
hash-length
Optional
30 by default
Configure the C-BSR priority c-bsr priority priority Optional
0 by default
Configure the bootstrap
interval
c-bsr interval interval Optional
For the system default, see
“Note” below.
Configure the bootstrap
timeout time
c-bsr holdtime interval Optional
For the system default, see
“Note” below.
To do… Use the command… Remarks
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