SatLink VSAT User Guide
Publication no. 101557
Copyright © 2009 – STM Group, Inc.
Page 3 (160)
14. HEADER COMPRESSION ........................................................................................................................ 72
14.1 ENABLING HEADER COMPRESSION ............................................................................................................. 72
14.2 DISABLE HEADER COMPRESSION ............................................................................................................... 73
15. ROUTING OF MULTICAST TRAFFIC .................................................................................................. 74
16. UPDATING THE STM SATLINK VSAT SW .......................................................................................... 75
16.1 AUTOMATIC SOFTWARE UPDATE ............................................................................................................... 75
16.2 MANUAL SOFTWARE UPDATE .................................................................................................................... 76
16.3 RESTORING THE BACKUP SOFTWARE ......................................................................................................... 77
17. STM SATLINK AND DVB-S2.................................................................................................................... 78
17.1 DVB-S2 MODULATION .............................................................................................................................. 78
17.2 DVB-S2 CODING ....................................................................................................................................... 78
17.3 DVB-S2 CODING AND MODULATION CONTROL MODES ............................................................................ 80
17.4 DVB-S2 CONFIGURATION FOR 1910 IDUS WITH THE SATLINK 100 PLUG-IN CARD ................................... 81
18. SOFTWARE OPTIONS .............................................................................................................................. 83
18.1 GENERIC ROUTING ENCAPSULATION (GRE) AND IP TUNNELLING ............................................................. 84
18.2 TCP PERFORMANCE ENHANCING PROXY (PEP) ......................................................................................... 86
18.3 HTTP ACCELERATOR (HTTPA) ................................................................................................................ 87
18.4 FOUR QOS CLASSES ................................................................................................................................... 90
18.5 RETURN LINK ACCESS CONTROL (RAC) .................................................................................................... 90
18.6 VLAN EXTENSION (802.1Q) ...................................................................................................................... 91
18.7 ETHERNET USER PRIORITY (802.1P/D) ....................................................................................................... 93
18.8 DVB-S2 16-APSK ..................................................................................................................................... 94
19. EXTENSIONS FOR MOBILE VSAT ........................................................................................................ 95
19.1 TRANSMIT INHIBIT FUNCTION .................................................................................................................... 95
19.2 GPS INTERFACE ......................................................................................................................................... 96
19.3 OPTIMISING THE MOBILE VSAT FOR RECOVERING CONTACT WITH NETWORK AFTER BLOCKINGS.............. 97
20. MESH VSATS .............................................................................................................................................. 99
21. DEFINITIONS, ACRONYMS AND ABBREVIATIONS ...................................................................... 104
22. REFERENCES ........................................................................................................................................... 106
APPENDIX A. ACCESSING THE COMMAND LINE INTERFACE VIA SERIAL CONSOLE PORT 107
APPENDIX B. TFTP SERVER ......................................................................................................................... 110
APPENDIX C. TELNET CLIENT .................................................................................................................... 111
APPENDIX D. TESTING THE CONNECTION TO THE VSAT ................................................................. 112
APPENDIX E. MANAGEMENT VIA SNMP ................................................................................................. 120
APPENDIX F. ODU INSTALLATION ............................................................................................................ 128
APPENDIX G. SATLINK 403X. INTERFACING VSAT RX/TX ANTENNAS .......................................... 134
APPENDIX H. MANUAL CONFIGURATION OF PARAMETERS NORMALLY CONFIGURED
AUTOMATICALLY FROM THE HUB .............................................................................................................. 137
APPENDIX I. IDU POWER CALIBRATION WITH BUCS OTHER THAN SATLINK 403X ............... 141
APPENDIX J. THE BOOT SW ........................................................................................................................ 144
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