3-1
3
PIM Configuration Commands
PIM Configuration Commands
bsr-policy
Syntax
bsr-policy acl-number
undo bsr-policy
View
PIM view
Parameters
acl-number
: ACL number to be used in the BSR filtering policy, in the range of 2000 to 2999.
Description
Use the
bsr-policy
command to limit the range of legal BSRs to prevent BSR spoofing.
Use the
undo
bsr-policy
command to restore the default.
By default, no range limit is configured, namely all received messages are considered legal.
The
source
keyword in the
rule
command is translated into BSR address in the
bsr-policy
command.
Examples
# Configure a BSR filtering policy on devices to allow only the multicast devices on subnet 101.1.1.1/32
to become BSR.
<Sysname> system-view
System View: return to User View with Ctrl+Z.
[Sysname] multicast routing-enable
[Sysname] pim
[Sysname-pim] bsr-policy 2000
[Sysname-pim] quit
[Sysname] acl number 2000
[Sysname-acl-basic-2000] rule 0 permit source 101.1.1.1 0
c-bsr
Syntax
c-bsr interface-type interface-number hash-mask-len
[
priority
]
undo c-bsr