1391c-rp holdtime (PIM view)Syntax c-rp holdtime intervalundo c-rp holdtimeView Public instance PIM view, VPN instance PIM viewParameter interval: C-RP timeout in seconds, with an effective range of 1 to 65,535.Description Use the c-rp holdtime command to configure the global C-RP timeout time,namely the length of time the BSR waits before it must receive a C-RP-Advmessage.Use the undo c-rp holdtime command to restore the default setting.By default, the C-RP timeout time is 150 seconds.Because a non-BSR router refreshes its C-RP timeout time through BSR bootstrapmessages, to prevent loss of BSR bootstrap messages, make sure that the C-RPtimeout time is not smaller than the interval at which the BSR sends bootstrapmessages. The recommended C-RP timeout setting is 2.5 times the bootstrapinterval or longer.Related command: c-rp (PIM view) and c-bsr interval (PIM view).Example # Set the global C-RP timeout time to 200 seconds in the public instance. system-view[Sysname] pim[Sysname-pim] c-rp holdtime 200crp-policy (PIM view)Syntax crp-policy acl-numberundo crp-policyView Public instance PIM view, VPN instance PIM viewParameter acl-number: Advanced ACL number, in the range of 3000 to 3999. When the ACLis defined, the source keyword in the rule command specifies the address of aC-RP and the destination keyword specifies the address range of the multicastgroups that the C-RP will serve.Description Use the crp-policy command to configure a legal C-RP address range and therange of served multicast groups, so as to guard against C-RP spoofing.