Industrial Cellular VPN Router NR500 Series User Manual
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4.7 VPN .......................................................................................................................................................... 57
4.7.1 OpenVPN .............................................................................................................................................. 57
4.7.2 IPSec ....................................................................................................................................................... 62
4.7.3 GRE .......................................................................................................................................................... 65
4.8 Maintenance ....................................................................................................................................... 66
4.8.1 Upgrade ................................................................................................................................................ 66
4.8.2 System .................................................................................................................................................... 67
4.8.3 Configuration ....................................................................................................................................... 71
4.8.4 Debug Tools .......................................................................................................................................... 71
Appendix A -Glossary ............................................................................................................................................... 73
Appendix B -Q&A ...................................................................................................................................................... 74
No Signal ...................................................................................................................................................... 74
Cannot detect SIM card ......................................................................................................................... 74
Poor Signal ................................................................................................................................................... 74
IPSec VPN established, but LAN to LAN cannot communicate ................................................... 75
Forget Router Password ........................................................................................................................... 75
Appendix C -Digital IO Scenario ........................................................................................................................... 76
Appendix D - CLI ........................................................................................................................................................ 77