352
View
IPv6 PIM view
Default level
2: System level
Parameters
None
Description
Use bsm-fragment enable to enable bootstrap message (BSM) semantic fragmentation.
Use undo bsm-fragment enable to disable BSM semantic fragmentation.
By default, BSM semantic fragmentation is enabled.
The BSM semantic fragmentation function should be disabled if devices not supporting this function exist
in the IPv6 PIM-SM domain.
Related commands: c-bsr admin-scope.
Examples
# Disable BSM semantic fragmentation in the public network.
<Sysname> system-view
[Sysname] pim ipv6
[Sysname-pim6] undo bsm-fragment enable
bsr-policy (IPv6 PIM view)
Syntax
bsr-policy acl6-number
undo bsr-policy
View
IPv6 PIM view
Default level
2: System level
Parameters
acl6-number: Basic IPv6 ACL number, in the range of 2000 to 2999. When an IPv6 ACL is defined, the
source keyword in the rule command specifies a legal BSR source IPv6 address range.
Description
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.
By default, no restrictions are defined for the BSR address range. Namely, the BSR messages from any
source are considered eligible.
Examples
# Configure a legal BSR address range so that only devices on the segment 2001::2/64 can become the
BSR.
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