Billion BiPAC 7402NX(L) 802.11n 3G/ADSL2+ (VPN) Firewall Router 
 
Table of Contents 
WPS................................................................................................................................47 
Port Setting .....................................................................................................................59 
DHCP Server ..................................................................................................................60 
WAN - Wide Area Network .................................................................................................61 
WAN Interface.................................................................................................................61 
WAN Profile.....................................................................................................................63 
ADSL Mode.....................................................................................................................80 
System................................................................................................................................81 
Time Zone .......................................................................................................................81 
Remote Access ...............................................................................................................82 
Firmware Upgrade ..........................................................................................................82 
Backup / Restore.............................................................................................................83 
Restart Router.................................................................................................................84 
User Management...........................................................................................................85 
Mail Alert .........................................................................................................................87 
Firewall and Access Control ...............................................................................................88 
General Settings .............................................................................................................89 
Packet Filter ....................................................................................................................90 
Intrusion Detection ..........................................................................................................97 
URL Filter ........................................................................................................................99 
IM / P2P Blocking..........................................................................................................102 
Firewall Log...................................................................................................................103 
VPN - Virtual Private Networks (BiPAC 7402NX only)......................................................104 
PPTP (Point-to-Point Tunneling Protocol) .....................................................................104 
IPSec (IP Security Protocol).......................................................................................... 112 
L2TP (Layer Two Tunneling Protocol) ...........................................................................121 
QoS - Quality of Service...................................................................................................133 
Prioritization ..................................................................................................................133 
Outbound IP Throttling (LAN to WAN)...........................................................................135 
Inbound IP Throttling (WAN to LAN) .............................................................................136 
Virtual Server (known as Port Forwarding).......................................................................142 
Add Virtual Server .........................................................................................................143 
Edit DMZ Host...............................................................................................................144 
Edit DMZ Host...............................................................................................................145 
Edit One-to-One NAT (Network Address Translation) ...................................................146 
Wake on LAN....................................................................................................................149 
Time Schedule..................................................................................................................150 
Configuration of Time Schedule ....................................................................................151 
Advanced..........................................................................................................................152 
Static Route...................................................................................................................152 
Static ARP .....................................................................................................................152 
Dynamic DNS................................................................................................................153 
Device Management .....................................................................................................154 
IGMP.............................................................................................................................158 
MLD ..............................................................................................................................158 
VLAN Bridge .................................................................................................................159 
Logout ..................................................................................................................................159 
Chapter 5: Troubleshooting......................................................................................................160 
Problems starting up the router ............................................................................................160 
Problems with the WAN Interface.........................................................................................160 
Problems with the LAN Interface..........................................................................................160