Table of Contents iii 
DHCP Server ..................................................................................................................39 
WAN - Wide Area Network .................................................................................................40 
ISP ..................................................................................................................................40 
DNS ................................................................................................................................50 
ADSL...............................................................................................................................51 
System................................................................................................................................53 
Time Zone .......................................................................................................................53 
Remote Access ...............................................................................................................54 
Firmware Upgrade ..........................................................................................................55 
Backup / Restore.............................................................................................................56 
Restart Router.................................................................................................................57 
User Management...........................................................................................................58 
Firewall and Access Control ...............................................................................................59 
General Settings .............................................................................................................60 
Packet Filter ....................................................................................................................61 
Intrusion Detection ..........................................................................................................68 
URL Filter ........................................................................................................................70 
IM / P2P Blocking............................................................................................................72 
Firewall Log.....................................................................................................................73 
VPN - Virtual Private Networks (BiPAC 7404VGO Only)....................................................74 
PPTP (Point-to-Point Tunneling Protocol) .......................................................................74 
IPSec (IP Security Protocol)............................................................................................82 
L2TP (Layer Two Tunneling Protocol) .............................................................................92 
VoIP - Voice over Internet Protocol...................................................................................104 
Wizard...........................................................................................................................105 
General Settings ...........................................................................................................107 
Phone Port .................................................................................................................... 110 
PSTN Dial Plan (Router with LINE port only) ................................................................ 112 
VoIP Dial Plan ............................................................................................................... 115 
Ring & Tone................................................................................................................... 119 
Special Dial Codes ........................................................................................................120 
QoS - Quality of Service...................................................................................................121 
Prioritization ..................................................................................................................121 
Outbound IP Throttling (LAN to WAN)...........................................................................123 
Inbound IP Throttling (WAN to LAN) .............................................................................124 
Virtual Server (known as Port Forwarding).......................................................................128 
Add Virtual Server .........................................................................................................129 
Edit DMZ Host...............................................................................................................130 
Edit One-to-One NAT (Network Address Translation) ...................................................132 
Time Schedule..................................................................................................................135 
Configuration of Time Schedule ....................................................................................136 
Advanced..........................................................................................................................137 
Static Route...................................................................................................................137 
Dynamic DNS................................................................................................................138 
Check Email ..................................................................................................................139 
Device Management .....................................................................................................140 
IGMP.............................................................................................................................143 
VLAN Bridge .................................................................................................................143 
SAVE CONFIGURATION TO FLASH...................................................................................147 
LOGOUT ..............................................................................................................................147 
CHAPTER 5: TROUBLESHOOTING ......................................................................................148 
PROBLEMS STARTING UP THE ROUTER.........................................................................148 
PROBLEMS WITH THE WAN INTERFACE.........................................................................148