H3C S7500 Series Ethernet Switches Command Manual

Table Of Contents
Command Manual – Multicast
H3C S7500 Series Ethernet Switches Chapter 6
PIM Configuration Commands
6-2
1.1.1.1/32 and 1.1.1.2/32 can be BSR, thus the routers 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 keyword in the rule command is translated into the BSR address in the
bsr-policy command.
Related commands: acl, rule.
Examples
# Configure BSR filtering policy on routers to specify 101.1.1.1/32 as the only legal
BSR.
<H3C> system-view
System View: return to User View with Ctrl+Z.
[H3C] multicast routing-enable
[H3C] pim
[H3C-pim] bsr-policy 2000
[H3C-pim] quit
[H3C] acl number 2000
[H3C-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
Parameters
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 operation of searching RP is performed after
performing “and” operation using the mask and the multicast address. 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.