Digi 16, TS8 manual Pinging an IP Address

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Pinging an IP Address

Use this procedure to deterrmine if a system can be reached from across a network.

Procedure

Attempt to ping the PortServer TS 8/16 from another system on the network. Here is the format of the command:

ping ip-address

PortServer TS 8/16 Troubleshooting

17-11

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Contents

PortServer TS 8/16 Configuration and Administration Guide Page Contents Chapter Configuring Users Page This Chapter IntroductionSetup Overview Supported Devices About Entering Commands on the Command LineAbout This Guide Other Documents in the Library Access Resource CD CardConfiguring the PortServer TS 8/16 from a Telnet Session About Configuration MethodsConfiguring the PortServer TS 8/16 from the Web Interface Downloading a Configuration FileLogging On As Root from the Command Line Configuration PrerequisitesAccessing the Command Line from a Telnet Session Accessing the Configuration from the Web InterfaceConfiguring the IP Address Options Options for Configuring the IP Address and MaskStarting Point Configuring the Ethernet Interface with DPA-RemoteProcedure Configuring the IP Address Using Ping-ARP Configuring an IP Address using Dhcp and Rarp Configuring the Ethernet Interface from the Command LineManual Configuration Procedure Manual Configuration ExampleConfiguring an IP Address using Dhcp and Rarp Configuring Ports for RealPort Configuring the RealPort Software What is RealPort?Configuration Options About RealPortConfiguring Ports Web Interface Example Configuring Ports for RealPort Command LineConfiguring Ports for Printers Configuration Considerations Configuring Printer Connections Command Line Configuring Ports for Printers Web InterfaceTips for telnet and rsh Printing Related InformationConfiguring Printer Connections Command Line Configuring a Port for Direct-Access Printing Configuring a Port for Direct-Access Printing Configuring Ports for Terminals Port Defaults Configuring Ports for Terminals Web InterfaceConfiguring Ports for Terminals Command Line About Computer Connections Configuring Typical PC ConnectionsAbout Computer Connections Configuring Ports for Modems Tips on Configuring a Modem Configuring Ports for Modems Web Interface Before You Begin Configuring PPP Configuring PPP Connections Web Interface Configuring Inbound PPP Connections Command Line Configuring Inbound PPP Connections Example Configuring Outbound PPP Connections Command Line Set user name=name n1=telephone-number Configuring IP Routing Types of Routing What is RoutingIntroduction to Routing About RIP Routing Updates PortServer TS 8/16 Participation in RIP Updates Example Route Using a PPP Link Configuring Static RoutesExample Route Using the Ethernet Interface Example Dynamic Routes Configuring Dynamic Routes Using RIPConfiguring Proxy ARP Configuring Proxy ARP Configuring Autoconnection About Autoconnection Configuring a Port for Autoconnection Web InterfaceConfiguring Autoconnection By Port Command Line Configuring a User for Autoconnection Command Line Configuring a User for Autoconnection Web InterfaceConfiguring a User for Autoconnection Command Line Configuring Console Management About Console Management Configuring Console Management Web InterfaceConfiguring Console Management Command Line 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 PortsWhat is RADIUS? Using Radius to Authenticate UsersRadius Components Radius Table KeyHow Radius Works Configuring Radius Web InterfaceRadius Accounting Attributes RFC Radius Command Line Configuration Example Configuring Radius Command LineIssuing User Passwords Using a Public Key Configuring SSH Version 2 for Secure CommunicationPassword Protection Configuring DNS About the Domain Name System Procedure for Using a Host File Configuration ProceduresProcedure for Using a Name Server 13-4 Configuring Snmp About Snmp and the PortServer TS 8/16 Agent Configuration Example Configuration Procedure Web InterfaceConfiguration Procedure Command Line 14-4 Managing the OS and Configuration Upgrading the OS Firmware Web Interface Prerequisite Task Upgrading the OS Firmware Command LineWhen To Use Remote Configuration Configuring PortServer TS 8/16 from a Remote HostRules for Editing a Configuration file Copying the Configuration File to a HostCpconf fromhost=199.250.121.12cnfg-fle Radius Resetting the Configuration to DefaultsConfiguring Users Configuration Methods About Configuring UsersCommon User Features Configuring a User Web Interface Configuring a User Command Line Examples Configuration Examples Configuration Terminal Server Configuration Without RealPortConfiguration Notes IllustrationTerminal 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 PortRunning PortServer TS 8/16 Post Procedure Running the Post Using the LEDsProcedure Running the Post from a Terminal Verifying Tftp on a Unix System Troubleshooting Tftp Problems Front Panel Procedure Resetting PortServer TS 8/16 Configuration to Defaults Command Line Procedure Verifying the PortServer TS 8/16 IP Address 17-9 Checking for Duplicate IP Addresses Pinging an IP Address Verifying the Network Cabling AIX Verifying the RealPort Process Verifying the RealPort ProcessHP-UX Verifying the RealPort Process Linux Verifying the RealPort ProcessSolaris Verifying the RealPort Process Windows NT Verifying the RealPort ServiceWindows 2000 Verifying the RealPort Service RealPort Checking and Changing Port ConfigurationDigi International Bren Road East Minnetonka, MN Digi Contact Information