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Digi 16, TS8 manual Configuring DNS

Models: 16 TS8

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Chapter 13

Configuring DNS

In This Chapter

This chapter discusses how to configure PortServer TS 8/16 to use DNS. Topics discussed include the following:

• About the Domain Name System. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-2

• Configuration Procedures. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-3

Configuring DNS

13-1

Image 67

Digi 16, TS8 manual Configuring DNS

Contents

PortServer TS 8/16 Configuration and Administration Guide Page Contents Chapter Configuring Users Page This Chapter IntroductionSetup Overview About This Guide About Entering Commands on the Command LineSupported Devices Other Documents in the Library Access Resource CD CardDownloading a Configuration File About Configuration MethodsConfiguring the PortServer TS 8/16 from a Telnet Session Configuring the PortServer TS 8/16 from the Web InterfaceAccessing the Configuration from the Web Interface Configuration PrerequisitesLogging On As Root from the Command Line Accessing the Command Line from a Telnet SessionConfiguring the IP Address Options Options for Configuring the IP Address and MaskProcedure Configuring the Ethernet Interface with DPA-RemoteStarting Point Configuring the IP Address Using Ping-ARP Manual Configuration Example Configuring the Ethernet Interface from the Command LineConfiguring an IP Address using Dhcp and Rarp Manual Configuration ProcedureConfiguring an IP Address using Dhcp and Rarp Configuring Ports for RealPort About RealPort What is RealPort?Configuring the RealPort Software Configuration OptionsConfiguring Ports Web Interface Example Configuring Ports for RealPort Command LineConfiguring Ports for Printers Configuration Considerations Related Information Configuring Ports for Printers Web InterfaceConfiguring Printer Connections Command Line Tips for telnet and rsh PrintingConfiguring Printer Connections Command Line Configuring a Port for Direct-Access Printing Configuring a Port for Direct-Access Printing Configuring Ports for Terminals Configuring Ports for Terminals Command Line Configuring Ports for Terminals Web InterfacePort Defaults About Computer Connections Configuring Typical PC ConnectionsAbout Computer Connections Configuring Ports for Modems Tips on Configuring a Modem Related Information Configuring Ports for Modems Web InterfaceBefore You Begin ExampleConfiguring PPP Configuring PPP Connections Web Interface Procedure Configuring Inbound PPP Connections Command LineConfiguring Inbound PPP Connections Example Configuring Outbound PPP Connections Command Line Set user name=name n1=telephone-number Configuring IP Routing Introduction to Routing What is RoutingTypes of Routing About RIP Routing Updates PortServer TS 8/16 Participation in RIP Updates Example Route Using the Ethernet Interface Configuring Static RoutesExample Route Using a PPP Link Example Dynamic Routes Configuring Dynamic Routes Using RIPExample Configuring Proxy ARPConfiguring Proxy ARP Configuring Autoconnection Configuring Autoconnection By Port Command Line Configuring a Port for Autoconnection Web InterfaceAbout Autoconnection Configuring a User for Autoconnection Command Line Configuring a User for Autoconnection Web InterfaceConfiguring a User for Autoconnection Command Line Configuring Console Management Configuring Console Management Command Line Configuring Console Management Web InterfaceAbout Console Management Example Alternate IP Addresses Example SSH2 and Menu Access10-4 Configuring Security Features Controlling Access to Inbound Ports Controlling Access to the PortServer TS 8/16 ConfigurationControlling Access to the PortServer TS 8/16 Command Line Controlling Access to Outbound PortsRadius Table Key Using Radius to Authenticate UsersWhat is RADIUS? Radius ComponentsRadius Accounting Attributes RFC Configuring Radius Web InterfaceHow Radius Works Radius Command Line Configuration Example Configuring Radius Command LineRelated Information Issuing User PasswordsPassword Protection Configuring SSH Version 2 for Secure CommunicationUsing a Public Key Configuring DNS About the Domain Name System Procedure for Using a Name Server Configuration ProceduresProcedure for Using a Host File 13-4 Configuring Snmp About Snmp and the PortServer TS 8/16 Agent Configuration Procedure Command Line Configuration Procedure Web InterfaceConfiguration Example 14-4 Managing the OS and Configuration Upgrading the OS Firmware Web Interface Prerequisite Task Upgrading the OS Firmware Command LineCopying the Configuration File to a Host Configuring PortServer TS 8/16 from a Remote HostWhen To Use Remote Configuration Rules for Editing a Configuration fileCpconf fromhost=199.250.121.12cnfg-fle Radius Resetting the Configuration to DefaultsConfiguring Users Common User Features About Configuring UsersConfiguration Methods Configuring a User Web Interface Configuring a User Command Line Examples Configuration Examples Illustration Terminal Server Configuration Without RealPortConfiguration Configuration NotesTerminal Server Configuration Using Autoconnection Terminal Server Configuration Using RealPort Dial-In PPP Connection Using Radius Dial-In PPP Connection Using Radius PortServer TS 8/16 Troubleshooting Introduction Symptom PortServer TS 8/16 Does Not BootAssumptions Symptom Cannot Telnet to the PortServer TS 8/16Running PortServer TS 8/16 Hardware Diagnostics Symptom Trouble Accessing a PortProcedure Running the Post from a Terminal Procedure Running the Post Using the LEDsRunning PortServer TS 8/16 Post Verifying Tftp on a Unix System Troubleshooting Tftp ProblemsCommand Line Procedure Resetting PortServer TS 8/16 Configuration to DefaultsFront Panel Procedure Verifying the PortServer TS 8/16 IP Address 17-9 Checking for Duplicate IP Addresses Pinging an IP Address Verifying the Network Cabling Linux Verifying the RealPort Process Verifying the RealPort ProcessAIX Verifying the RealPort Process HP-UX Verifying the RealPort ProcessWindows 2000 Verifying the RealPort Service Windows NT Verifying the RealPort ServiceSolaris Verifying the RealPort Process RealPort Checking and Changing Port ConfigurationDigi International Bren Road East Minnetonka, MN Digi Contact Information