多项选择题
A.Open报文 B.Hello报文 C.KeepAlive报文 D.LSU报文 E.LSR报文 F.Update报文 G.Notification报文
A.idle→Connect B.Connect→Active C.Active→OpenSend D.OpenSend→OpenConfirm E.OpenConfirm→Established F.在Established状态之后
A.idle B.Connect C.Active D.OpenSend E.OpenConfirm F.Established