A.路由器沒(méi)有動(dòng)態(tài)路由B.路由相關(guān)接口沒(méi)有啟用PIM協(xié)議C.上游路由器丟棄收到的GRAF報(bào)文D.接收者路由器丟棄收到的IGMP REPORT
A.display ospf cumulative B.display ospf spf-statistics C.display ospf global-statics D.display ospf request-queue
A.RIP B.ISIS C.OSPF D.BGP