Table of Content ii
CONFIGURATION............................................................................................................................................ 30
LAN (Local Area Network) ..................................................................................................................... 30
Bridge Interface ............................................................................................................................30
Ethernet ........................................................................................................................................31
IP Alias .........................................................................................................................................31
Ethernet Client Filter.....................................................................................................................32
Port Setting...................................................................................................................................33
DHCP Server................................................................................................................................34
WAN (Wide Area Network) ....................................................................................................................35
ISP................................................................................................................................................35
DNS ..............................................................................................................................................43
ADSL ............................................................................................................................................44
System ...................................................................................................................................................... 46
Time Zone ....................................................................................................................................46
Remote Access.............................................................................................................................47
Firmware Upgrade........................................................................................................................47
Backup / Restore ..........................................................................................................................48
Restart Gateway...........................................................................................................................48
User Management ........................................................................................................................49
Firewall and Access Control ....................................................................................................................50
General Settings...........................................................................................................................51
Packet Filter..................................................................................................................................52
Intrusion Detection........................................................................................................................59
URL Filter .....................................................................................................................................61
IM / P2P Blocking .........................................................................................................................63
Firewall Log ..................................................................................................................................64
VPN (Virtual Private Networks) .............................................................................................................. 65
PPTP (Point-to-Point Tunneling Protocol) ....................................................................................65
IPSec (IP Security Protocol) .........................................................................................................73
L2TP (Layer Two Tunneling Protocol)..........................................................................................84
QoS (Quality of Service) .......................................................................................................................... 96
Prioritization..................................................................................................................................96
Outbound IP Throttling (LAN to WAN)..........................................................................................98
Inbound IP Throttling (WAN to LAN).............................................................................................99
Virtual Server (Port Forwarding) ........................................................................................................... 103
Add Virtual Server ......................................................................................................................103
Edit DMZ Host ............................................................................................................................106
Edit One-to-One NAT (Network Address Translation)................................................................107
Time Schedule ........................................................................................................................................ 110
Configuration of Time Schedule .................................................................................................111
Advanced................................................................................................................................................ 112
Static Route ................................................................................................................................112
Dynamic DNS .............................................................................................................................113
Check Email ...............................................................................................................................114
Device Management...................................................................................................................115
IGMP ..........................................................................................................................................118
VLAN Bridge...............................................................................................................................118
SAVE CONFIGURATION TO FLASH................................................................................................................123
LOGOUT....................................................................................................................................................... 123
CHAPTER 5: TROUBLESHOOTING...................................................................................................... 125
PROBLEMS STARTING UP THE GATEWAY ...................................................................................................... 125