1467crp-policy (IPv6 PIM view)Syntax crp-policy acl6-numberundo crp-policyView IPv6 PIM viewParameter acl6-number: Advanced IPv6 ACL number, in the range of 3000 to 3999. Whenthe IPv6 ACL is defined, the source keyword in the rule command specifies theIPv6 address of a C-RP and the destination keyword specifies the IPv6 addressrange 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 therange 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 addressranges and the ranges of served IPv6 multicast groups.By default, there are no restrictions on C-RP address ranges and the addressranges of served groups, namely all received C-RP messages are assumed to belegal.Example # Configure a C-RP address range so that only routers in the address range of2001::2/64 can be C-RPs. 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 3000display pim ipv6 bsr-infoSyntax display pim ipv6 bsr-infoView Any viewParameter NoneDescription Use the display pim ipv6 bsr-info command to view the BSR information in theIPv6 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 configuredC-RP information in effect.