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crp-policy (IPv6 PIM view)
Syntax crp-policy acl6-number
undo crp-policy
View IPv6 PIM view
Parameter acl6-number: Advanced IPv6 ACL number, in the range of 3000 to 3999. When
the IPv6 ACL is defined, the source keyword in the rule command specifies the
IPv6 address of a C-RP and the destination keyword specifies the IPv6 address
range of the IPv6 multicast groups that the C-RP will serve.
Description Use the
crp-policy command to configure a legal C-RP address range and the
range of served IPv6 multicast groups, so as to guard against C-RP spoofing.
Use the
undo crp-policy command to remove the restrictions in C-RP address
ranges and the ranges of served IPv6 multicast groups.
By default, there are no restrictions on C-RP address ranges and the address
ranges of served groups, namely all received C-RP messages are assumed to be
legal.
Example # Configure a C-RP address range so that only routers in the address range of
2001::2/64 can be C-RPs.
<Sysname> system-view
[Sysname] acl ipv6 number 3000
[Sysname-acl6-adv-3000] rule permit ipv6 source 2001::2 64
[Sysname-acl6-adv-3000] quit
[Sysname] pim ipv6
[Sysname-pim6] crp-policy 3000
display pim ipv6 bsr-info
Syntax display pim ipv6 bsr-info
View Any view
Parameter None
Description Use the
display pim ipv6 bsr-info command to view the BSR information in the
IPv6 PIM domain and the locally configured C-RP information in effect.
Related command: c-bsr (IPv6 PIM view) and c-rp (IPv6 PIM view).
Example # View the BSR information in the IPv6 PIM-SM domain and the locally configured
C-RP information in effect.