LACP协议报文协议类型值为（)A.0x8809B.0x8804C.0x8800D.0x8808

PPPOE会话阶段报文以太网帧类型是（)A.0x8861B.0x8864C.0x8863D.0x8862

LACP协议报文协议类型值为（)A.0x8808B.0x8800C.0x8804D.0x8809

PPPOE会话阶段报文以太网帧类型是（)A.0x8864B.0x8863C.0x8862D.0x8861

PPPOE会话阶段报文以太网帧类型是（)A.0x8863B.0x8864C.0x8861D.0x8862

PPPOE会话阶段报文以太网帧类型是（)A.0x8864B.0x8863C.0x8861D.0x8862

ospf路由协议报文类型有五种() () () () ()。