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ZyXEL Communications P-660HN-T1H manual 148

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Chapter 9 Network Address Translation (NAT)

148
148	P-660HN-T1H User’s Guide

Contents

Default Login Details www.zyxel.com Page About This User's Guide Page Document Conventions Page Safety Warnings Page Contents Overview Page Table of Contents Page Page Page Page Page Page Page Page Page Introduction 1.1 Overview 1.2 Ways to Manage the ZyXEL Device 1.3Good Habits for Managing the ZyXEL Device 1.4Applications for the ZyXEL Device 1.4.1 Internet Access 1.4.2 Using the WPS/WLAN Button 1.5 LEDs (Lights) 1.6 The RESET Button 1.6.1 Using the Reset Button Page The Web Configurator 2.1 Overview 2.1.1Accessing the Web Configurator Page 2.2 The Main Screen 2.2.1Title Bar 2.2.2 Navigation Panel Page 2.2.3 Main Window 2.2.4 Status Bar Status Screens 3.1 Overview 3.2 The Status Screen Page Page Page Tutorials 4.1 Overview 4.2Setting Up a Secure Wireless Network 4.2.1 Configuring the Wireless Network Settings 4.2.2Using WPS Page Wireless Client ZyXEL Device Page Page 4.2.3 Without WPS 4.2.4 Setting Up Wireless Network Scheduling 4.3 Configuring the MAC Address Filter Page 4.4Configuring Static Route for Routing to Another Network Page Page 4.5Multiple Public and Private IP Address Mappings 4.5.1 Full Feature NAT + Many-to-ManyNo Overload Mapping 4.5.2 Full Feature NAT + One-to-OneMapping 4.6 Multiple WAN Connections Example Page Page Page Internet and Wireless Setup Wizard 5.1 Overview 5.2Internet Access Wizard Setup Page Page 5.2.1Manual Configuration Page Page Page Page Page 5.3 Wireless Connection Wizard Setup Page 5.3.1Manually Assign a WPA-PSKkey 5.3.2 Manually Assign a WEP Key Page WAN Setup 6.1 Overview 6.1.1What You Can Do in the WAN Screens 6.1.2What You Need to Know About WAN 6.1.3 Before You Begin 6.2 The Internet Access Setup Screen Page 6.2.1 Advanced Internet Access Setup Page 6.3 The More Connections Screen 6.3.1 More Connections Edit Page 6.3.2 Configuring More Connections Advanced Setup 6.4 WAN Technical Reference 6.4.1 Encapsulation 6.4.1.1 ENET ENCAP 6.4.1.2 PPP over Ethernet 6.4.1.3 PPPoA 6.4.1.4 RFC 6.4.2 Multiplexing 6.4.3 VPI and VCI 6.4.4 IP Address Assignment 6.4.5 Nailed-UpConnection (PPP) 6.4.6 NAT 6.5 Traffic Shaping 6.5.1 ATM Traffic Classes Page LAN Setup 7.1 Overview 7.1.1What You Can Do in the LAN Screens 7.1.2 What You Need To Know About LAN 7.1.3 Before You Begin 7.2 The LAN IP Screen 7.2.1 The Advanced LAN IP Setup Screen 7.3 The DHCP Setup Screen 7.4 The Client List Screen 7.5 The IP Alias Screen 7.5.1 Configuring the LAN IP Alias Screen 7.6 LAN Technical Reference 7.6.2 DHCP Setup 7.6.3 DNS Server Addresses 7.6.4LAN TCP/IP 7.6.5 RIP Setup 7.6.6 Multicast Page Wireless LAN 8.1 Overview 8.1.1What You Can Do in the Wireless LAN Screens 8.1.2 What You Need to Know About Wireless 8.1.3 Before You Start 8.2The AP Screen 8.2.1 No Security 8.2.2 WEP Encryption 8.2.3 WPA(2)-PSK 8.2.4 WPA(2) Authentication 8.2.5 Wireless LAN Advanced Setup Page 8.2.6 MAC Filter 8.3 The More AP Screen 8.3.1 More AP Edit 8.4 The WPS Screen 8.5 The WPS Station Screen 8.6 The WDS Screen Page 8.7 The Scheduling Screen 8.8 Wireless LAN Technical Reference 8.8.1 Wireless Network Overview Page 8.8.2 Additional Wireless Terms 8.8.3 Wireless Security Overview 8.8.3.1 SSID 8.8.3.2 MAC Address Filter 8.8.3.3 User Authentication 8.8.3.4 Encryption 8.8.4 Signal Problems 8.8.5 BSS 8.8.6 MBSSID 8.8.7 Wireless Distribution System (WDS) 8.8.8 WiFi Protected Setup (WPS) 8.8.8.1 Push Button Configuration 8.8.8.2 PIN Configuration Page 8.8.8.3 How WPS Works Page 8.8.8.4 Example WPS Network Setup 8.8.8.5 Limitations of WPS Page Network Address Translation (NAT) 9.1 Overview 9.1.1What You Can Do in the NAT Screens 9.1.2What You Need To Know About NAT Page 9.2 The NAT General Setup Screen 9.3 The Port Forwarding Screen 9.3.1 Configuring the Port Forwarding Screen Page 9.3.2 The Port Forwarding Rule Edit Screen 9.4 The Address Mapping Screen Page 9.4.1 The Address Mapping Rule Edit Screen 9.5 The ALG Screen 9.6 NAT Technical Reference 9.6.1 NAT Definitions 9.6.2 What NAT Does 9.6.3 How NAT Works 9.6.4 NAT Application 9.6.5 NAT Mapping Types Page Page Firewall 10.1 Overview 10.1.1 What You Can Do in the Firewall Screens 10.1.2 What You Need to Know About Firewall Page 10.2 The Firewall Screen Page Filters 11.1 Overview 11.1.1What You Can Do in the Filter Screens 11.1.2What You Need to Know About Filtering 11.2 The URL Filter Screen 11.3 The Application Filter Screen 11.4 The IP/MAC Filter Screen Page Page Static Route 12.1 Overview 12.1.1 What You Can Do in the Static Route Screens 12.2 The Static Route Screen 12.2.1 Static Route Edit Page 13.1 Overview 13.1.1What You Can Do in the 802.1Q/1P Screens 13.1.2What You Need to Know About 802.1Q/1P 13.2 The 802.1Q/1P Group Setting Screen Page 13.2.1 Editing 802.1Q/1P Group Setting 13.3 The 802.1Q/1P Port Setting Screen Page Quality of Service (QoS) 14.1 Overview 14.1.1What You Can Do in the QoS Screens 14.1.2What You Need to Know About QoS 14.2 The QoS Screen Page 14.2.1 The QoS Settings Summary Screen 14.3 QoS Technical Reference 14.3.1 IEEE 802.1p 14.3.2 IP Precedence 14.3.3 Automatic Priority Queue Assignment Page Dynamic DNS Setup 15.1 Overview 15.1.1 What You Can Do in the DDNS Screen 15.1.2 What You Need To Know About DDNS 15.2 The Dynamic DNS Screen Remote Management 16.1 Overview 16.1.1What You Can Do in the Remote Management Screens 16.1.2What You Need to Know About Remote Management 16.2 The WWW Screen 16.2.1 Configuring the WWW Screen 16.3 The Telnet Screen 16.4 The FTP Screen 16.5 The SNMP Screen 16.5.1 Configuring SNMP 16.6 The DNS Screen 16.7 The ICMP Screen Page Universal Plug-and-Play(UPnP) 17.1 Overview 17.1.1 What You Can Do in the UPnP Screen 17.1.2 What You Need to Know About UPnP Page 17.2 The UPnP Screen 17.3 Installing UPnP in Windows Example Page Page 17.4Using UPnP in Windows XP Example Page Page Page Page Page CWMP 18.1 Overview 18.2 The CWMP Setup Screen Page Page System Settings 19.1 Overview 19.1.1What You Can Do in the System Settings Screens 19.2 The General Screen 19.3 The Time and Date Screen Page Page Logs 20.1 Overview 20.1.1 What You Need To Know About Logs 20.2 The System Log Screen Page 20.3 Log Descriptions Page Page Page Page Page Page Page Tools 21.1 Overview 21.1.1What You Can Do in the Tool Screens 21.2 The Firmware Screen Page Page 21.3 The Configuration Screen Page Page 21.4 The Restart Screen Page Diagnostic 22.1 Overview 22.1.1What You Can Do in the Diagnostic Screens 22.2 The General Screen 22.3 The DSL Line Screen Page Page Troubleshooting 23.1Power, Hardware Connections, and LEDs 23.2ZyXEL Device Access and Login Page 23.3 Internet Access Page Page Product Specifications 24.1 Hardware Specifications 24.2 Firmware Specifications Page Page Page 24.3 Wireless Features Page Page 24.4 Power Adaptor Specifications Setting up Your Computer’s IP Address Windows 95/98/Me Page Page Windows 2000/NT/XP Page Page Page Windows Vista Page Page Page Page Page Page Macintosh OS 8/9 Page Macintosh OS Linux Page Page Page Page Page IP Addresses and Subnetting Introduction to IP Addresses Structure Subnet Masks Page Notation Subnetting Page Example: Four Subnets Example: Eight Subnets Subnet Planning Configuring IP Addresses Page Page Pop-upWindows, JavaScripts and Java Permissions Internet Explorer Pop-upBlockers Page Page JavaScripts Page Java Permissions Page Mozilla Firefox Page Page Wireless LANs Wireless LAN Topologies Page Channel RTS/CTS Page Fragmentation Threshold Preamble Type IEEE 802.11g Wireless LAN Wireless Security Overview IEEE RADIUS Types of EAP Authentication Page Dynamic WEP Key Exchange WPA and WPA2 Page Page Page Security Parameters Summary Antenna Overview Antenna Characteristics Types of Antennas for WLAN Positioning Antennas Services Page Page Page Legal Information Copyright Certifications Page ZyXEL Limited Warranty Page Index