ISP .................................................................................................................................................. 42
ADSL.............................................................................................................................................. 53
System................................................................................................................................................. 56
Time Zone....................................................................................................................................... 56
Remote Access................................................................................................................................ 57
Firmware Upgrade.......................................................................................................................... 58
Backup / Restore............................................................................................................................. 59
Restart Router................................................................................................................................. 60
User Management........................................................................................................................... 61
Firewall and Access Control.............................................................................................................. 62
General Settings.............................................................................................................................. 63
Packet Filter.................................................................................................................................... 64
Intrusion Detection......................................................................................................................... 72
URL Filter....................................................................................................................................... 74
IM / P2P Blocking.......................................................................................................................... 76
Firewall Log ................................................................................................................................... 77
VPN (Virtual Private Networks)......................................................................................................... 78
PPTP (Point-to-Point Tunneling Protocol)..................................................................................... 78
L2TP (Layer Two Tunneling Protocol).......................................................................................... 99
QoS (Quality of Service)....................................................................................................................112
Prioritization..................................................................................................................................112
Outbound IP Throttling (LAN to WAN)........................................................................................114
Inbound IP Throttling (WAN to LAN)..........................................................................................115
Virtual Server (“Port Forwarding”).................................................................................................119
Add Virtual Server........................................................................................................................ 120
Edit DMZ Host............................................................................................................................. 121
Edit DMZ Host............................................................................................................................. 122
Edit One-to-One NAT (Network Address Translation)................................................................ 123
Time Schedule................................................................................................................................... 126
Configuration of Time Schedule.................................................................................................. 127
Advanced .......................................................................................................................................... 128
Static Route................................................................................................................................... 128
Dynamic DNS .............................................................................................................................. 129
Check Email ................................................................................................................................. 130
Device Management..................................................................................................................... 131
IGMP............................................................................................................................................ 135
VLAN Bridge............................................................................................................................... 135
SAVE CONFIGURATION TO FLASH........................................................................................................... 139
LOGOUT................................................................................................................................................. 139
CHAPTER 5: TROUBLESHOOTING................................................................................................ 140
PROBLEMS STARTING UP THE ROUTER....................................................................................................140
PROBLEMS WITH THE WAN INTERFACE.................................................................................................140
PROBLEMS WITH THE LAN INTERFACE..................................................................................................140
APPENDIX A: PRODUCT SUPPORT AND CONTACT INFORMATION....................................141
Table of Contents iii