VI
3.5 ARP ........................................................................................................................................................................... 25
3.6 DHCP ........................................................................................................................................................................ 26
4 ADVANCED SETUP ........................................................................................................................................... 27
4.1 INTERNET SETTINGS ....................................................................................................................................................... 27
4.1.1 Setting the ATM connection ............................................................................................................................. 27
4.1.2 Setting the PTM connection ............................................................................................................................. 69
4.1.3 Setting the Ethernet connection ....................................................................................................................... 75
4.2 LAN ........................................................................................................................................................................... 81
4.2.1 Local Area Network (LAN) Setup ...................................................................................................................... 81
4.2.2 Connections limited .......................................................................................................................................... 86
4.2.3 IPv6 autoconfig ................................................................................................................................................. 87
4.3 VPN ........................................................................................................................................................................... 92
4.3.1 Overview ........................................................................................................................................................... 92
4.3.2 Configuring modem router as a L2TP client ..................................................................................................... 92
4.3.3 Configuring modem router as a PPTP client ..................................................................................................... 95
4.4 WAN 3G/4G .............................................................................................................................................................. 98
4.4.1 Overview ........................................................................................................................................................... 98
4.4.2 Configuration procedure .................................................................................................................................. 98
4.5 NAT ......................................................................................................................................................................... 100
4.5.1 Virtual server .................................................................................................................................................. 100
4.5.2 Port triggering ................................................................................................................................................ 103
4.5.3 DMZ host ........................................................................................................................................................ 105
4.5.4 Multi-NAT ....................................................................................................................................................... 106
4.6 SECURITY ................................................................................................................................................................... 108
4.6.1 DoS defence .................................................................................................................................................... 108
4.6.2 IP filtering ....................................................................................................................................................... 109
4.6.3 MAC filtering .................................................................................................................................................. 112
4.7 PARENTAL CONTROL ..................................................................................................................................................... 116
4.7.1 Time restriction .............................................................................................................................................. 116
4.7.2 URL filter ......................................................................................................................................................... 117
4.7.3 Example of configuring parental control ........................................................................................................ 118