2009-10-23 2009-10-23 RFC Required CAN_U_REACH 0x01 Find if the station given is reachable I_CAN_REACH 0x02 Positive response to CAN_U_REACH I_CANNOT_REACH 0x03 Negative response to CAN_U_REACH START_DL 0x04 Setup session for given addresses DL_STARTED 0x05 Session Started START_DL_FAILED 0x06 Session Start failed XID_FRAME 0x07 XID Frame CONTACT_STN 0x08 Contact destination to establish SABME STN_CONTACTED 0x09 Station contacted - SABME mode set DATA_FRAME 0x0A Connectionless Data Frame for a link INFO_FRAME 0x0B Connection oriented I-Frame HALT_DL 0x0C Halt Data Link session HALT_DL_NOACK 0x0D Halt Data Link session without ack DL_HALTED 0x0E Session Halted FCM_FRAME 0x0F Data Link Session Flow Control Message DGRM_FRAME 0x11 Connectionless Datagram Frame for a circuit CAP_XCHANGE 0x12 Capabilities Exchange Message CLOSE_PEER_REQUEST 0x13 Disconnect Peer Connection Request CLOSE_PEER_RESPONSE 0x14 Disconnect Peer Connection Response Unassigned 0x15-0x1C PEER_TEST_REQ 0x1D Peer keepalive test request PEER_TEST_RSP 0x1E Peer keepalive response RFC Required 0x01 NetBIOS support 0x02 TCP Listen Mode support 0x04 Command/Response