Table of Contents iii 
WAN - Wide Area Network.................................................................................................................. 41 
ISP .................................................................................................................................................. 41 
DNS................................................................................................................................................ 51 
ADSL.............................................................................................................................................. 52 
System................................................................................................................................................. 54 
Time Zone....................................................................................................................................... 54 
Remote Access................................................................................................................................ 55 
Firmware Upgrade.......................................................................................................................... 56 
Backup / Restore............................................................................................................................. 57 
Restart Router................................................................................................................................. 58 
User Management........................................................................................................................... 59 
Firewall and Access Control .............................................................................................................. 60 
General Settings.............................................................................................................................. 61 
Packet Filter.................................................................................................................................... 62 
Intrusion Detection......................................................................................................................... 70 
URL Filter....................................................................................................................................... 72 
IM / P2P Blocking.......................................................................................................................... 74 
Firewall Log ................................................................................................................................... 75 
VPN - Virtual Private Networks (BiPAC 7404VGO Only)................................................................. 76 
PPTP (Point-to-Point Tunneling Protocol)..................................................................................... 76 
IPSec (IP Security Protocol)........................................................................................................... 84 
L2TP (Layer Two Tunneling Protocol) .......................................................................................... 94 
VoIP - Voice over Internet Protocol.................................................................................................. 107 
Wizard........................................................................................................................................... 108 
General Settings.............................................................................................................................110 
Phone Port .....................................................................................................................................113 
PSTN Dial Plan (Router with LINE port only).............................................................................115 
VoIP Dial Plan ...............................................................................................................................118 
Ring & Tone ................................................................................................................................. 123 
Special Dial Codes ....................................................................................................................... 124 
QoS - Quality of Service................................................................................................................... 125 
Prioritization................................................................................................................................. 125 
Outbound IP Throttling (LAN to WAN)....................................................................................... 127 
Inbound IP Throttling (WAN to LAN)......................................................................................... 128 
Virtual Server (known as Port Forwarding)..................................................................................... 132 
Add Virtual Server........................................................................................................................ 133 
Edit DMZ Host............................................................................................................................. 134 
Edit DMZ Host............................................................................................................................. 135 
Edit One-to-One NAT (Network Address Translation)................................................................ 136 
Time Schedule................................................................................................................................... 139 
Configuration of Time Schedule .................................................................................................. 140 
Advanced .......................................................................................................................................... 141 
Static Route................................................................................................................................... 141 
Dynamic DNS .............................................................................................................................. 142 
Check Email ................................................................................................................................. 143 
Device Management..................................................................................................................... 144 
IGMP............................................................................................................................................ 147 
VLAN Bridge............................................................................................................................... 147 
SAVE CONFIGURATION TO FLASH............................................................................................... 151 
LOGOUT.............................................................................................................................................. 152 
CHAPTER 5: TROUBLESHOOTING................................................................................................ 153 
PROBLEMS STARTING UP THE ROUTER..................................................................................... 153 
PROBLEMS WITH THE WAN INTERFACE .................................................................................... 153