以缺省的窗口大小8来进行流控; 路由器给对端回应了一个Start Control Connection Reply,接收窗口的大小是4。 MsgRecvAndDistribute : receive a SCCR_MESSAGE or STOP_CCN_MESSAGE pass to upper layer
L2TP : Receive control message
type: START_CONTROL_CONNECTION_REQUEST
L2TP : Protocol version, value: 0100
value len : 2
L2TP : Framing capability, value: 1
value len : 4
L2TP : Bearer capability, value: 0
value len : 4
L2TP : Firmware revision, value: 1280
value len : 2
L2TP : Host name, value: NONE
value len : 4
L2TP : Vendor name, value: Microsoft
value len : 9
L2TP : Assigned call number, value: 4
value len : 2
L2TP : Receive window size, value: 8
value len : 2
L2TP : Message header built for start control reply.