User's Manual

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Table Of Contents

DSL-100HNU-T1 v3 User’s Guide
Contents
Introduction
- 1.1 Overview
- 1.2 Ways to Manage the Device
- 1.3 Good Habits for Managing the Device
- 1.4 Applications for the Device
  - 1.4.1 Internet Access
- 1.5 Wireless Access
  - 1.5.1 Using the WLAN/WPS Button
- 1.6 The RESET Button
  - 1.6.1 Using the Reset Button
- 1.7 LEDs (Lights)
Introducing the Web Configurator
- 2.1 Overview
  - 2.1.1 Accessing the Web Configurator
- 2.2 The Web Configurator Layout
  - 2.2.1 Title Bar
  - 2.2.2 Main Window
Quick Start
- 3.1 Overview
- 3.2 Quick Start Setup
Connection Status and System Info
- 4.1 Overview
- 4.2 The Connection Status Screen
- 4.3 The System Info Screen
WAN Setup
- 5.1 Overview
- 5.2 The Internet Connection Screen
  - 5.2.1 Advanced Internet Connection
- 5.3 The More Connections Screen
  - 5.3.1 More Connections Edit
  - 5.3.2 Configuring More Connections Advanced Setup
- 5.4 The 3G Backup Screen
- 5.5 WAN Technical Reference
Wireless
- 6.1 Overview
- 6.2 Wireless General Screen
- 6.3 More AP Screen
  - 6.3.1 Edit More AP
- 6.4 MAC Authentication Screen
- 6.5 The WPS Screen
- 6.6 The WDS Screen
- 6.7 The WMM Screen
- 6.8 Scheduling Screen
  - 6.8.1 Add or Edit Schedule
- 6.9 Advanced Screen
- 6.10 Technical Reference
Home Networking
- 7.1 Overview
  - 7.1.1 What You Can Do in this Chapter
  - 7.1.2 What You Need To Know
- 7.2 The LAN Setup Screen
- 7.3 The Static DHCP Screen
  - 7.3.1 Before You Begin
- 7.4 The IP Alias Screen
- 7.5 The UPnP Screen
- 7.6 The IPv6 LAN Setup Screen
- 7.7 The File Sharing Screen
  - 7.7.1 Before You Begin
  - 7.7.2 Edit File Sharing User
- 7.8 The Printer Server Screen
  - 7.8.1 Before You Begin
- 7.9 Technical Reference
- 7.10 Installing UPnP in Windows Example
- 7.11 Using UPnP in Windows XP Example
Static Route
- 8.1 Overview
  - 8.1.1 What You Can Do in this Chapter
- 8.2 Configuring Static Route
  - 8.2.1 Add/Edit Static Route
- 8.3 IPv6 Static Route
  - 8.3.1 IPv6 Static Route Edit
Quality of Service (QoS)
- 9.1 Overview
  - 9.1.1 What You Can Do in this Chapter
  - 9.1.2 What You Need to Know
- 9.2 The QoS General Screen
- 9.3 The Queue Setup Screen
  - 9.3.1 Edit a QoS Queue
- 9.4 The Class Setup Screen
  - 9.4.1 Add/Edit QoS Class
- 9.5 The QoS Policer Setup Screen
  - 9.5.1 Add/Edit a QoS Policer
- 9.6 The QoS Game List Screen
- 9.7 QoS Technical Reference
  - 9.7.1 DiffServ
Network Address Translation (NAT)
- 10.1 Overview
  - 10.1.1 What You Can Do in this Chapter
  - 10.1.2 What You Need To Know
- 10.2 The General Screen
- 10.3 The Port Forwarding Screen
  - 10.3.1 The Port Forwarding Screen
  - 10.3.2 The Port Forwarding Add/Edit Screen
- 10.4 The DMZ Screen
- 10.5 The ALG Screen
- 10.6 Technical Reference
Port Binding
- 11.1 Overview
- 11.2 The Port Binding Screen
  - 11.2.1 Port Binding Summary Screen
  - 11.2.2 The Any Port Any Service Edit Screen
Dynamic DNS
- 12.1 Overview
  - 12.1.1 What You Need To Know
- 12.2 The Dynamic DNS Screen
Filter
- 13.1 Overview
  - 13.1.1 What You Can Do in the Filter Screens
- 13.2 The IP/MAC Filter Screen
- 13.3 The IPv6/MAC Filter Screen
Firewall
- 14.1 Overview
  - 14.1.1 What You Can Do in the Firewall Screens
  - 14.1.2 What You Need to Know About Firewall
- 14.2 Firewall General Screen
- 14.3 Default Action Screen
- 14.4 Rules Screen
- 14.5 DoS Screen
  - 14.5.1 The DoS Advanced Screen
  - 14.5.2 Configuring Firewall Thresholds
- 14.6 Firewall Technical Reference
Parental Control
- 15.1 Overview
- 15.2 The Parental Control Screen
  - 15.2.1 Add/Edit a Parental Control Rule
Certificates
- 16.1 Overview
- 16.2 Local Certificates
- 16.3 Trusted CA
- 16.4 Trusted CA Import
- 16.5 View Certificate
System Monitor
- 17.1 Overview
  - 17.1.1 What You Can Do in this Chapter
  - 17.1.2 What You Need To Know
- 17.2 The Log Screen
- 17.3 The WAN Traffic Status Screen
- 17.4 The LAN Traffic Status Screen
- 17.5 The NAT Traffic Status Screen
User Account
- 18.1 Overview
- 18.2 The User Account Screen
TR-069 Client
- 19.1 Overview
- 19.2 The TR-069 Client Screen
System
- 20.1 Overview
- 20.2 The System Screen
Time Setting
- 21.1 Overview
- 21.2 The Time Setting Screen
Log Setting
- 22.1 Overview
- 22.2 The Log Setting Screen
Firmware Upgrade
- 23.1 Overview
- 23.2 The Firmware Upgrade Screen
Backup/Restore
- 24.1 Overview
- 24.2 The Backup/Restore Screen
- 24.3 The Reboot Screen
Remote Management
- 25.1 Overview
  - 25.1.1 What You Can Do in the Remote Management Screens
  - 25.1.2 What You Need to Know About Remote Management
- 25.2 The WWW Screen
  - 25.2.1 Configuring the WWW Screen
- 25.3 Telnet Screen
- 25.4 FTP Screen
- 25.5 SNMP Screen
  - 25.5.1 Configuring SNMP
- 25.6 DNS Screen
- 25.7 ICMP Screen
- 25.8 SSH Screen
  - 25.8.1 SSH Example
Diagnostic
- 26.1 Overview
  - 26.1.1 What You Can Do in the Diagnostic Screens
- 26.2 The Ping Screen
- 26.3 The DSL Line Screen
Troubleshooting
- 27.1 Overview
- 27.2 Power, Hardware Connections, and LEDs
- 27.3 Device Access and Login
- 27.4 Internet Access
- 27.5 Wireless Internet Access
- 27.6 USB Device Connection
- 27.7 UPnP
Legal Information

Chapter 9 Quality of Service (QoS) 126

DSCP and Per-Hop Behavior

DiffServ defines a new DS (Differentiated Services) field

to replace the Type of Service (TOS) field in

the IP header. The DS field contains a 2-bit unused field and a 6-bit DSCP field which can define up

to 64 service levels. The following figure illustrates the DS field.

DSCP is backward compatible with th

e three precedence bits in the ToS octet so that non-DiffServ

compliant, ToS-enabled network device will not conflict with the DSCP mapping.

DSCP (6 bits) Unused (2 bits)

The DSCP value determines the forwarding behavior, the PHB (Per-Hop Behavior), that each packet

gets across the DiffServ network. Based on the marking rule, different kinds of traffic can be marked

for different kinds of forwarding. Resources can then be allocated according to the DSCP values and

the configured policies.