CFG N2中组播的一个需求:the selection of R17 as the RP must adhere to open standard and must use the default priority value as per the standard. 这个需求是要求ip pim ip pim rp-candidate Loopback0 192? 还是要求ip pim bsr-candidate Loopback0 0 192 ? 9 C) R) J! L4 q" L# m& l4 L( }+ C# S5 V; g+ E