R3303-HP HSR6800 Routers IP Multicast Command Reference
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Examples
# Disable BSM semantic fragmentation on the public network.
<Sysname> system-view
[Sysname] pim
[Sysname-pim] undo bsm-fragment enable
# Disable BSM semantic fragmentation in VPN instance mvpn.
<Sysname> system-view
[Sysname] pim vpn-instance mvpn
[Sysname-pim-mvpn] undo bsm-fragment enable
bsr-policy (PIM view)
Use bsr-policy to configure a legal BSR address range to guard against BSR spoofing.
Use undo bsr-policy to remove the restriction of the BSR address range.
Syntax
bsr-policy acl-number
undo bsr-policy
Default
No restrictions exist for the BSR address range, and the bootstrap messages from any source are
regarded valid.
Views
Public network PIM view, VPN instance PIM view
Default command level
2: System level
Parameters
acl-number: Specifies a 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.
Examples
# Configure a legal BSR address range on the public network so that only devices on the segment
10 .1.1. 0 / 24 c a n b e c o m e t h e B S R .
<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
# Configure a legal BSR address range in VPN instance mvpn so that only devices on the segment
10 .1.1. 0 / 24 c a n b e c o m e t h e B S R .
<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 vpn-instance mvpn