5.2.2 WAN...................................................................................................................................24
5.2.3 Modem ............................................................................................................................... 27
5.2.4 WLAN..................................................................................................................................33
5.2.5 Parameter select (Recommend to Single module dual SIM version) ............................................. 36
5.2.6 Network type ....................................................................................................................... 39
5.2.7 Link Backup.......................................................................................................................... 40
5.2.8 DHCP Service........................................................................................................................ 43
5.3 Application Setting ........................................................................................................................ 45
Overview ..................................................................................................................................... 45
5.3.1 ICMP check.......................................................................................................................... 45
5.3.2 DDNS configuration............................................................................................................... 48
5.3.3 SNMP configuration .............................................................................................................. 49
5.3.4 M2M configuration............................................................................................................... 52
5.3.5 Schedule configuration.......................................................................................................... 54
5.3.6 SMS Settings ........................................................................................................................ 57
5.3.7 Radius settings ..................................................................................................................... 58
5.4 Security Configuration ................................................................................................................... 59
Overview ..................................................................................................................................... 59
5.4.1 IP Filter................................................................................................................................ 59
5.4.2 Domain Filter ....................................................................................................................... 62
5.4.3 MAC filter............................................................................................................................ 63
5.4.4 Remote Access..................................................................................................................... 65
5.4.5 Anti-attack........................................................................................................................... 68
5.5 Forward configuration ................................................................................................................... 69
Overview ..................................................................................................................................... 69
5.5.1 NAT.....................................................................................................................................69
5.5.2 Routing Configuration ........................................................................................................... 74
5.5.3 QoS..................................................................................................................................... 77
5.5.4 Dynamic Routing (Optional) ................................................................................................... 79
5.6 VPN configuration......................................................................................................................... 87
Overview ..................................................................................................................................... 87
5.6.1 VPDN configuration............................................................................................................... 87
5.6.2 Tunnel configuration ............................................................................................................. 91
5.6.3 IPSec configuration ............................................................................................................... 93
5.6.4 Open VPN Configuration...................................................................................................... 100
5.6.5 DMVPN Configuration......................................................................................................... 104
5.6.6 EOIP Configuration.............................................................................................................. 108
5.7 System Management Configuration............................................................................................... 109
Overview ................................................................................................................................... 109
5.7.1 Local Log............................................................................................................................ 109
5.7.2 Remote Log........................................................................................................................ 110
