Command Manual – Multicast Protocol
Quidway S3900 Series Ethernet Switches-Release 1510 Chapter 6 PIM Configuration Commands
Huawei Technologies Proprietary
6-2
cannot receive or forward BSR messages other than these two. Even legal BSRs
cannot contest with them.
Problems may still exist if a legal BSR is attacked, though these two measures can
effectively guarantee high BSR security.
The source parameter in the rule command is translated as BSR address in the
bsr-policy command.
Related command: acl and rule.
Example
# Configure BSR filtering policy on routers, only 101.1.1.1/32 can be BSR.
<Quidway>system-view
System View: return to User View with Ctrl+Z.
[Quidway] multicast routing-enable
[Quidway] pim
[Quidway-pim] bsr-policy 2000
[Quidway-pim] quit
[Quidway] acl number 2000
[Quidway-acl-basic-2000] rule 0 permit source 101.1.1.1 0
6.1.2 c-bsr
Syntax
c-bsr interface-type interface-number hash-mask-len [ priority ]
undo c-bsr
View
PIM view
Parameter
interface-type interface-number: Specifies the VLAN interface. The candidate BSR is
configured on the VLAN interface. PIM-SM must be enabled on the VLAN interface
first.
hash-mask-len: Length of the mask. The value ranges from 0 to 32.
priority: Priority of the candidate BSR. The larger the value of the priority, the higher the
priority of the BSR. The value ranges from 0 to 255. By default, the priority is 0.
Description
Use the c-bsr command to configure a candidate BSR.
Use the undo c-bsr command to remove the candidate BSR configured.
By default, no candidate BSR is set.
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