Bsr-Policy (Pim View); C-Bsr (Pim View) - 3Com S7906E Command Reference Manual

bsr-policy (PIM view)

Syntax
bsr-policy acl-number
undo bsr-policy
View
Public instance PIM view, VPN instance PIM view
Default Level
2: System level
Parameters
acl-number: Basic ACL number, in the range of 2000 to 2999. When an ACL is defined, the source
keyword in the rule command specifies a legal BSR source address range.
Description
Use the bsr-policy command to configure a legal BSR address range to guard against BSR spoofing.
Use the undo bsr-policy command to remove the restriction of the BSR address range.
By default, there are no restrictions on the BSR address range, namely the bootstrap messages from
any source are regarded to be valid.
Examples
# Configure a legal BSR address range in the public instance so that only routers on the segment
10.1.1.0/24 can become the BSR.
<Sysname> system-view
[Sysname] acl number 2000
[Sysname-acl-basic-2000] rule permit source 10.1.1.0 0.0.0.255
[Sysname-acl-basic-2000] quit
[Sysname] pim
[Sysname-pim] bsr-policy 2000

c-bsr (PIM view)

Syntax
c-bsr interface-type interface-number [ hash-length [ priority ] ]
undo c-bsr
View
Public instance PIM view, VPN instance PIM view
Default Level
2: System level
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