BenutzerhandbuchInhaltsverzeichnisReference Manual for the Model DG834GT 108 Mbps Super Wireless ADSL Router1Contents5Chapter 1 About This Guide13Audience, Conventions, Scope13How to Use this Manual14How to Print this Manual15Chapter 2 Introduction17About the Router17Key Features18802.11g Wireless Networking18A Powerful, True Firewall19Easy Installation and Management19Protocol Support20Content Filtering21Auto Sensing and Auto Uplink™ LAN Ethernet Connections21What’s in the Box?22The Router’s Front Panel22The Router’s Rear Panel24Chapter 3 Connecting the Router to the Internet27What You Need Before You Begin27ADSL Microfilter Requirements27ADSL Microfilter27ADSL Microfilter with Built-In Splitter28Ethernet Cabling Requirements28Computer Hardware Requirements28LAN Configuration Requirements28Internet Configuration Requirements29Where Do I Get the Internet Configuration Parameters?29Record Your Internet Connection Information29Connecting the DG834GT to Your LAN31How to Connect the Router31Auto-Detecting Your Internet Connection Type36Wizard-Detected PPPoE Login Account Setup37Wizard-Detected PPPoA Login Account Setup38Wizard-Detected Dynamic IP Account Setup38Wizard-Detected IP Over ATM Account Setup39Wizard-Detected Fixed IP (Static) Account Setup40Testing Your Internet Connection41Manually Configuring Your Internet Connection41How to Perform Manual Configuration42Internet Connection Requires Login and Uses PPPoE43Internet Connection Requires Login and Uses PPPoA44Internet Connection Does Note Require A Login45ADSL Settings46Chapter 4 Wireless Configuration47Considerations for a Wireless Network47Observe Performance, Placement, and Range Guidelines47Implement Appropriate Wireless Security48Understanding Wireless Settings49How to Set Up and Test Basic Wireless Connectivity53How to Restricting Wireless Access to Your Network54Restricting Access to Your Network by Turning Off Wireless Connectivity55Restricting Wireless Access Based on the Wireless Network Name (SSID)55Restricting Wireless Access Based on the Wireless Station Access List55Choosing WEP Authentication and Security Encryption Methods57Authentication Type Selection57Encryption Choices58How to Configure WEP59How to Configure WPA-PSK60Chapter 5 Protecting Your Network61Protecting Access to Your DG834GT 108 Mbps Super Wireless ADSL Router61How to Change the Built-In Password61Changing the Administrator Login Timeout62Configuring Basic Firewall Services62Blocking Keywords, Sites, and Services63How to Block Keywords and Sites63Firewall Rules65Inbound Rules (Port Forwarding)66Inbound Rule Example: A Local Public Web Server66Inbound Rule Example: Allowing Videoconferencing68Considerations for Inbound Rules69Outbound Rules (Service Blocking)69Outbound Rule Example: Blocking Instant Messenger70Order of Precedence for Rules71Services72How to Define Services73Setting Times and Scheduling Firewall Services74How to Set Your Time Zone74How to Schedule Firewall Services75Chapter 6 Managing Your Network77Backing Up, Restoring, or Erasing Your Settings77How to Back Up the Configuration to a File77How to Restore the Configuration from a File78How to Erase the Configuration78Upgrading the Router’s Firmware78How to Upgrade the Router Firmware79Network Management Information80Viewing Router Status and Usage Statistics80Viewing Attached Devices85Viewing, Selecting, and Saving Logged Information85Selecting What Information to Log87Saving Log Files on a Server88Examples of Log Messages88Activation and Administration88Dropped Packets88Enabling Security Event E-mail Notification89Running Diagnostic Utilities and Rebooting the Router90Enabling Remote Management91Configuring Remote Management91Chapter 7 Advanced Configuration93Configuring Advanced Security93Setting Up A Default DMZ Server93How to Configure a Default DMZ Server94Connect Automatically, as Required95Disable Port Scan and DOS Protection95Respond to Ping on Internet WAN Port95MTU Size95Configuring LAN IP Settings95DHCP97Use Router as DHCP server97Reserved IP addresses98How to Configure LAN TCP/IP Settings99Configuring Dynamic DNS99How to Configure Dynamic DNS100Using Static Routes101Static Route Example101How to Configure Static Routes102Chapter 8 Troubleshooting105Basic Functioning105Power LED Not On106Test LED Never Turns On or Test LED Stays On106LAN or WAN Port LEDs Not On106Troubleshooting the Web Configuration Interface107Troubleshooting the ISP Connection108ADSL link108WAN LED Blinking Yellow108WAN LED Off108Obtaining a WAN IP Address109Troubleshooting PPPoE or PPPoA110Troubleshooting Internet Browsing110Troubleshooting a TCP/IP Network Using the Ping Utility111Testing the LAN Path to Your Router111Testing the Path from Your Computer to a Remote Device112Restoring the Default Configuration and Password113Using the Reset button113Problems with Date and Time113Appendix A Technical Specifications115Appendix B Network and Routing Basics117Related Publications117Basic Router Concepts117What is a Router?117Routing Information Protocol118IP Addresses and the Internet118Netmask120Subnet Addressing120Private IP Addresses123Single IP Address Operation Using NAT123MAC Addresses and Address Resolution Protocol124Related Documents125Domain Name Server125IP Configuration by DHCP125Internet Security and Firewalls126What is a Firewall?126Stateful Packet Inspection126Denial of Service Attack127Ethernet Cabling127Category 5 Cable Quality127Inside Twisted Pair Cables128Uplink Switches, Crossover Cables, and MDI/MDIX Switching129Appendix C Preparing Your Network131Preparing Your Computers for TCP/IP Networking131Configuring Windows 95, 98, and Me for TCP/IP Networking132Installing or Verifying Windows Networking Components132Enabling DHCP to Automatically Configure TCP/IP Settings in Windows 95B, 98, and Me134Selecting the Windows’ Internet Access Method136Verifying TCP/IP Properties136Configuring Windows NT4, 2000 or XP for IP Networking137Installing or Verifying Windows Networking Components137DHCP Configuration of TCP/IP in Windows XP, 2000, or NT4138DHCP Configuration of TCP/IP in Windows XP138DHCP Configuration of TCP/IP in Windows 2000140DHCP Configuration of TCP/IP in Windows NT4143Verifying TCP/IP Properties for Windows XP, 2000, and NT4145Configuring the Macintosh for TCP/IP Networking146MacOS 8.6 or 9.x146MacOS X146Verifying TCP/IP Properties for Macintosh Computers147Verifying the Readiness of Your Internet Account148Are Login Protocols Used?148What Is Your Configuration Information?148Obtaining ISP Configuration Information for Windows Computers149Obtaining ISP Configuration Information for Macintosh Computers150Restarting the Network151Appendix D Wireless Networking Basics153Wireless Networking Overview153Infrastructure Mode153Ad Hoc Mode (Peer-to-Peer Workgroup)154Network Name: Extended Service Set Identification (ESSID)154Authentication and WEP Data Encryption154802.11 Authentication155Open System Authentication155Shared Key Authentication156Overview of WEP Parameters157Key Size158WEP Configuration Options159Wireless Channels159WPA Wireless Security160How Does WPA Compare to WEP?161How Does WPA Compare to IEEE 802.11i?162What are the Key Features of WPA Security?162WPA Authentication: Enterprise-level User Authentication via 802.1x/EAP and RADIUS164WPA Data Encryption Key Management166Is WPA Perfect?168Product Support for WPA168Supporting a Mixture of WPA and WEP Wireless Clients is Discouraged168Changes to Wireless Access Points168Changes to Wireless Network Adapters169Changes to Wireless Client Programs170Glossary171Größe: 2,94 MBSeiten: 176Language: EnglishHandbuch öffnen
BenutzerhandbuchInhaltsverzeichnisReference Manual for the Model DG834GT 108 Mbps Super Wireless ADSL Router1Contents5Chapter 1 About This Guide13Audience, Conventions, Scope13How to Use this Manual14How to Print this Manual15Chapter 2 Introduction17About the Router17Key Features18802.11g Wireless Networking18A Powerful, True Firewall19Easy Installation and Management19Protocol Support20Content Filtering21Auto Sensing and Auto Uplink™ LAN Ethernet Connections21What’s in the Box?22The Router’s Front Panel22The Router’s Rear Panel24Chapter 3 Connecting the Router to the Internet27What You Need Before You Begin27ADSL Microfilter Requirements27ADSL Microfilter27ADSL Microfilter with Built-In Splitter28Ethernet Cabling Requirements28Computer Hardware Requirements28LAN Configuration Requirements28Internet Configuration Requirements29Where Do I Get the Internet Configuration Parameters?29Record Your Internet Connection Information29Connecting the DG834GT to Your LAN31How to Connect the Router31Auto-Detecting Your Internet Connection Type36Wizard-Detected PPPoE Login Account Setup37Wizard-Detected PPPoA Login Account Setup38Wizard-Detected Dynamic IP Account Setup38Wizard-Detected IP Over ATM Account Setup39Wizard-Detected Fixed IP (Static) Account Setup40Testing Your Internet Connection41Manually Configuring Your Internet Connection41How to Perform Manual Configuration42Internet Connection Requires Login and Uses PPPoE43Internet Connection Requires Login and Uses PPPoA44Internet Connection Does Note Require A Login45ADSL Settings46Chapter 4 Wireless Configuration47Considerations for a Wireless Network47Observe Performance, Placement, and Range Guidelines47Implement Appropriate Wireless Security48Understanding Wireless Settings49How to Set Up and Test Basic Wireless Connectivity53How to Restricting Wireless Access to Your Network54Restricting Access to Your Network by Turning Off Wireless Connectivity55Restricting Wireless Access Based on the Wireless Network Name (SSID)55Restricting Wireless Access Based on the Wireless Station Access List55Choosing WEP Authentication and Security Encryption Methods57Authentication Type Selection57Encryption Choices58How to Configure WEP59How to Configure WPA-PSK60Chapter 5 Protecting Your Network61Protecting Access to Your DG834GT 108 Mbps Super Wireless ADSL Router61How to Change the Built-In Password61Changing the Administrator Login Timeout62Configuring Basic Firewall Services62Blocking Keywords, Sites, and Services63How to Block Keywords and Sites63Firewall Rules65Inbound Rules (Port Forwarding)66Inbound Rule Example: A Local Public Web Server66Inbound Rule Example: Allowing Videoconferencing68Considerations for Inbound Rules69Outbound Rules (Service Blocking)69Outbound Rule Example: Blocking Instant Messenger70Order of Precedence for Rules71Services72How to Define Services73Setting Times and Scheduling Firewall Services74How to Set Your Time Zone74How to Schedule Firewall Services75Chapter 6 Managing Your Network77Backing Up, Restoring, or Erasing Your Settings77How to Back Up the Configuration to a File77How to Restore the Configuration from a File78How to Erase the Configuration78Upgrading the Router’s Firmware78How to Upgrade the Router Firmware79Network Management Information80Viewing Router Status and Usage Statistics80Viewing Attached Devices85Viewing, Selecting, and Saving Logged Information85Selecting What Information to Log87Saving Log Files on a Server88Examples of Log Messages88Activation and Administration88Dropped Packets88Enabling Security Event E-mail Notification89Running Diagnostic Utilities and Rebooting the Router90Enabling Remote Management91Configuring Remote Management91Chapter 7 Advanced Configuration93Configuring Advanced Security93Setting Up A Default DMZ Server93How to Configure a Default DMZ Server94Connect Automatically, as Required95Disable Port Scan and DOS Protection95Respond to Ping on Internet WAN Port95MTU Size95Configuring LAN IP Settings95DHCP97Use Router as DHCP server97Reserved IP addresses98How to Configure LAN TCP/IP Settings99Configuring Dynamic DNS99How to Configure Dynamic DNS100Using Static Routes101Static Route Example101How to Configure Static Routes102Chapter 8 Troubleshooting105Basic Functioning105Power LED Not On106Test LED Never Turns On or Test LED Stays On106LAN or WAN Port LEDs Not On106Troubleshooting the Web Configuration Interface107Troubleshooting the ISP Connection108ADSL link108WAN LED Blinking Yellow108WAN LED Off108Obtaining a WAN IP Address109Troubleshooting PPPoE or PPPoA110Troubleshooting Internet Browsing110Troubleshooting a TCP/IP Network Using the Ping Utility111Testing the LAN Path to Your Router111Testing the Path from Your Computer to a Remote Device112Restoring the Default Configuration and Password113Using the Reset button113Problems with Date and Time113Appendix A Technical Specifications115Appendix B Network and Routing Basics117Related Publications117Basic Router Concepts117What is a Router?117Routing Information Protocol118IP Addresses and the Internet118Netmask120Subnet Addressing120Private IP Addresses123Single IP Address Operation Using NAT123MAC Addresses and Address Resolution Protocol124Related Documents125Domain Name Server125IP Configuration by DHCP125Internet Security and Firewalls126What is a Firewall?126Stateful Packet Inspection126Denial of Service Attack127Ethernet Cabling127Category 5 Cable Quality127Inside Twisted Pair Cables128Uplink Switches, Crossover Cables, and MDI/MDIX Switching129Appendix C Preparing Your Network131Preparing Your Computers for TCP/IP Networking131Configuring Windows 95, 98, and Me for TCP/IP Networking132Installing or Verifying Windows Networking Components132Enabling DHCP to Automatically Configure TCP/IP Settings in Windows 95B, 98, and Me134Selecting the Windows’ Internet Access Method136Verifying TCP/IP Properties136Configuring Windows NT4, 2000 or XP for IP Networking137Installing or Verifying Windows Networking Components137DHCP Configuration of TCP/IP in Windows XP, 2000, or NT4138DHCP Configuration of TCP/IP in Windows XP138DHCP Configuration of TCP/IP in Windows 2000140DHCP Configuration of TCP/IP in Windows NT4143Verifying TCP/IP Properties for Windows XP, 2000, and NT4145Configuring the Macintosh for TCP/IP Networking146MacOS 8.6 or 9.x146MacOS X146Verifying TCP/IP Properties for Macintosh Computers147Verifying the Readiness of Your Internet Account148Are Login Protocols Used?148What Is Your Configuration Information?148Obtaining ISP Configuration Information for Windows Computers149Obtaining ISP Configuration Information for Macintosh Computers150Restarting the Network151Appendix D Wireless Networking Basics153Wireless Networking Overview153Infrastructure Mode153Ad Hoc Mode (Peer-to-Peer Workgroup)154Network Name: Extended Service Set Identification (ESSID)154Authentication and WEP Data Encryption154802.11 Authentication155Open System Authentication155Shared Key Authentication156Overview of WEP Parameters157Key Size158WEP Configuration Options159Wireless Channels159WPA Wireless Security160How Does WPA Compare to WEP?161How Does WPA Compare to IEEE 802.11i?162What are the Key Features of WPA Security?162WPA Authentication: Enterprise-level User Authentication via 802.1x/EAP and RADIUS164WPA Data Encryption Key Management166Is WPA Perfect?168Product Support for WPA168Supporting a Mixture of WPA and WEP Wireless Clients is Discouraged168Changes to Wireless Access Points168Changes to Wireless Network Adapters169Changes to Wireless Client Programs170Glossary171Größe: 3,05 MBSeiten: 176Language: EnglishHandbuch öffnen
