rt(config)# ip multicast-routing
rt(config)# ip igmp time
rt(config)# interface type mod/num rt(config-if)# ip cgmp
sw(enable) set cgmp
rt(config)# interface type mod/num rt(config-if)# ip pim mode
rt(config)# ip pim send-rp-announce int scope ttl group-list acl-num
rt(config)# ip pim send-rp-discovery int scope ttl
rt# show ip igmp
rt# show ip igmp interface
rt# show ip mroute
rt# show ip igmp group
rt# mrinfo
rt# show ip pim interface
rt# show ip pim neighbor
rt# show ip pim rp
#pre(soft){{
rt-ma# show ip pim rp mapping