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