4
3.1.4 Admin Access .................................................................................................................................... 10
3.1.5 System Log ........................................................................................................................................11
3.1.6 Configuration Management ..............................................................................................................12
3.1.7 Task Schedule .................................................................................................................................... 13
3.1.8 System Upgrading ............................................................................................................................. 13
3.1.9 Reboot...............................................................................................................................................13
3.1.10 Logout .............................................................................................................................................14
3. 2 Network...................................................................................................................................15
3.2.1 Dialup/Cellular Connection ...............................................................................................................15
3.2.2 WAN (Only Applicable to IR615-S Series) ..........................................................................................16
3.2.3 Link Backup .......................................................................................................................................19
3.2.4 LAN....................................................................................................................................................19
3.2.5 Switch of WLAN Mode ......................................................................................................................20
3.2.6 WLAN Client (AP Mode) ....................................................................................................................20
3.2.7 WLAN Client (STA Mode)................................................................................................................... 21
3.2.8 DNS.................................................................................................................................................... 22
3.2.9 Dynamic Domain Name.....................................................................................................................22
3.2.10 Static Route .....................................................................................................................................23
3.3 Service ......................................................................................................................................24
3.3.1 DHCP service ..................................................................................................................................... 24
3.3.2 DNS Relay ..........................................................................................................................................25
3.3.3 VRRP: Virtual Router Redundancy Protocol ......................................................................................26
3.3.4 Device Manager ................................................................................................................................ 27
3.3.5 DTU ................................................................................................................................................... 28
3.3.6 SMS ................................................................................................................................................... 29
3.4 Firewall .....................................................................................................................................29
3.4.1 Basic Setup ........................................................................................................................................30
3.4.2 Access Control (ACL)..........................................................................................................................30
3.4.3 Filtering .............................................................................................................................................31
3.4.4 Port Mapping .................................................................................................................................... 31