© Microhard Systems Inc.
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Table of Contents
4.8 Firewall ....................................................................................................................... 103
4.8.1 Status .................................................................................................................. 103
4.8.2 General ............................................................................................................... 104
4.8.3 Rules ................................................................................................................... 105
4.8.4 Port Forwarding ................................................................................................... 107
DMZ .................................................................................................................... 108
4.8.5 MAC-IP List ......................................................................................................... 109
MAC List Configuration ........................................................................................ 109
IP List Configuration............................................................................................. 110
4.8.6 Reset ................................................................................................................... 111
4.9 VPN ............................................................................................................................ 112
4.9.1 Summary ............................................................................................................. 112
4.9.2 Gateway to Gateway............................................................................................ 113
4.9.3 Client to Gateway (L2TP Client) ........................................................................... 118
4.9.4 VPN Client Access ............................................................................................... 120
4.9.5 Certificate Management ....................................................................................... 121
4.9.6 Cisco VPN Client ................................................................................................. 122
4.10 Tools ............................................................................................................................ 123
4.10.1 Discovery ........................................................................................................... 123
4.10.2 Netflow ............................................................................................................... 124
4.10.3 NMS Settings ..................................................................................................... 126
4.10.4 Event Report ...................................................................................................... 130
4.10.4.1 Configuration ....................................................................................... 130
4.10.4.2 Message Structure ............................................................................... 131
4.10.4.3 Message Payload................................................................................. 132
4.10.5 Modbus .............................................................................................................. 133
4.10.5.1 TCP Modbus ........................................................................................ 133
4.10.5.2 Serial (COM) Modbus........................................................................... 135
4.10.5.3 Modbus Data Map ................................................................................ 136
4.10.6 Websocket ......................................................................................................... 137
4.10.7 Site Survey ........................................................................................................ 139
4.10.8 Ping ................................................................................................................... 140
4.10.9 TraceRoute ........................................................................................................ 141
5.0 AT Command Line Interface........................................................................... 142
5.1 AT Command Overview .............................................................................................. 142
5.1.1 Serial Port .......................................................................................................... 142
5.1.2 Telnet................................................................................................................. 143
5.2 AT Command Syntax .................................................................................................. 144
5.3 Supported AT Commands .......................................................................................... 145
Appendices ..........................................................................................................
177
Appendix A: Serial Interface .................................................................................................. 177
Appendix B: IP-Passthrough Example ................................................................................... 178
Appendix C: Port Forwarding Example .................................................................................. 180
Appendix D: VPN (Site to Site) Example ............................................................................... 182
Appendix E: Firewall Rules Example ..................................................................................... 184
Appendix F: GRE Example ................................................................................................... 186
Appendix G: Firmware Recovery Procedure .......................................................................... 189
Appendix H: Troubleshooting ................................................................................................ 190