5.3.2 DDNS configuration...........................................................................................................................5-20
5.3.3 SNMP configuration (optional) .........................................................................................................5-22
5.3.4 M2M configuration ...........................................................................................................................5-24
5.3.5 Timing configuration .........................................................................................................................5-25
5.3.6 Wake up configuration......................................................................................................................5-28
5.3.7 DTU configuration (Optional)............................................................................................................5-31
5.3.8 GPS configuration (Optional) ............................................................................................................5-34
5.4 Security .......................................................................................................................................................5-35
5.4.1 Overview ...........................................................................................................................................5-35
5.4.2 configuration.....................................................................................................................................5-35
5.5 Forward configuration ................................................................................................................................5-42
5.5.1 Overview ...........................................................................................................................................5-42
5.5.2 NAT....................................................................................................................................................5-42
5.5.3 Routing ..............................................................................................................................................5-45
5.6 VPN configuration.......................................................................................................................................5-48
5.6.1 Overview ...........................................................................................................................................5-48
5.6.2 VPDN configuration...........................................................................................................................5-48
5.6.3 Tunnel configuration.........................................................................................................................5-51
5.6.4 IPSec configuration ...........................................................................................................................5-52
5.7 System configuration..................................................................................................................................5-59
5.7.1 Overview ...........................................................................................................................................5-59
5.7.2 Local Log............................................................................................................................................5-59
5.7.3 Remote Log .......................................................................................................................................5-60
5.7.4 Clock..................................................................................................................................................5-61
5.7.5 Account .............................................................................................................................................5-63
5.7.6 Network Test.....................................................................................................................................5-64
5.7.7 Files ...................................................................................................................................................5-65
5.8 Status ..........................................................................................................................................................5-68
5.8.1 Overview ...........................................................................................................................................5-68
5.8.2 Base Information...............................................................................................................................5-68
5.8.3 LAN ....................................................................................................................................................5-69
5.8.4 WAN ..................................................................................................................................................5-69
5.8.5 Modem..............................................................................................................................................5-71
5.8.6 Routing Table ....................................................................................................................................5-73
5.9 RESET button function ................................................................................................................................5-74
6 Typical application ....................................................................................................................6-1
6.1 Overview.......................................................................................................................................................6-1