Digi 16 - Manuals

Introduction 1-3 About This Guide Purpose This guide provides the following:• Configuration and administration procedures • Configuration examples Audience This manual is intended for the person responsible for configuring and administering PortServer TS 8/16. It assumes that this person has experie...

1-4 Other Documents in the Library Other Documents in the Library Here is a list of the other documents in the library: Access Resource CD Card This card provides information on the contents of the Access Resource CD. It includes the CD mounting instructions required to access the CD on many Unix sy...

Introduction 1-5 About Configuration Methods Use this section to learn about configuration methods. Configuring the PortServer TS 8/16 from an Attached Terminal With this method, you cable a terminal or PC running terminal emulation software to a PortServer TS 8/16 port and then use the command line...

1-6 Configuration Prerequisites Configuration Prerequisites Accessing the Command Line from a Locally-Connected Terminal Use this procedure to access the command line and the configuration from a terminal connected to one of the PortServer TS 8/16’s serial ports. 1. Connect a terminal or PC to a ser...

2-2 Options for Configuring the IP Address and Mask Options for Configuring the IP Address and Mask Options The PortServer TS 8/16 IP address can be configured using the following methods:• With Digi Port Authority-Remote, a Digi utility • By updating the ARP table on a server and then pinging the D...

Configuring the IP Address 2-3 Configuring the Ethernet Interface with DPA-Remote Use this section to configure an initial IP address, subnet mask, and default gateway using DPA-Remote. This procedure cannot be used to change the IP address, but only to assign the initial IP address. It also cannot ...

2-4 Configuring the IP Address Using Ping-ARP Configuring the IP Address Using Ping-ARP Use this section to configure an IP address by manually updating a server’s ARP table and then pinging the Digi device. Starting Point This procedure assumes the following:• That your Digi device supports this fe...

Configuring the IP Address 2-5 Configuring the Ethernet Interface from the Command Line This section discusses how use the command line to configure an IP address, mask, and default gateway for PortServer TS 8/16’s Ethernet interface. Manual Configuration Procedure 1. To configure an IP address for ...

3-2 About RealPort About RealPort This section provides a brief introduction to RealPort. What is RealPort? RealPort is a feature that allows network-based host systems to use the ports of the PortServer TS 8/16 as though they were the host system’s own ports, appearing and behaving as local ports t...

Configuring Ports for RealPort 3-3 Configuring Ports: Web Interface Use this procedure to configure a port from the web interface. 1. Access the web interface by entering the PortServer TS 8/16 IP address in a browser’s URL win- dow. 2. Log in to the PortServer TS 8/16 as root. The default password ...

3-4 Configuring Ports for RealPort: Command Line Configuring Ports for RealPort: Command Line This section describes how to configure RealPort ports from the command line. Procedure Use this procedure to use the command line to configure PortServer TS 8/16 for RealPort. This procedure assumes that y...

4-2 Configuration Considerations Configuration Considerations You should be aware of the following considerations if you intend to configure PortServer TS 8/16 to handle printers. Using RealPort RealPort, a feature that allows network-based host systems to use the ports of the PortServer TS 8/16 as ...

Configuring Ports for Printers 4-3 Tips for telnet and rsh Printing Here are some tips for handling telnet and rsh printing:• If line feed and carriage return problems occur, try supplying a set line command that specifies onlcr=on. This converts carriage returns to carriage return/line feeds. • If ...

Configuring Ports for Printers 4-5 Configuring a Port for Direct-Access Printing Direct access printing allows Telnet users on the LAN to access a port and to issue print commands directly to the printer. This section describes the two ways users can access a printer directly and explains how to con...

Configuring Ports for Terminals and Computers 6-1 Chapter 6 Configuring Ports for Terminals and Computers In This Chapter This chapter describes how to configure PortServer TS 8/16 ports for terminal and computer connections. It discusses the following topics: • Configuring Ports for Terminals: Web ...

6-2 Configuring Ports for Terminals: Web Interface Configuring Ports for Terminals: Web Interface Use this procedure to configure a port from the web interface. 1. Access the web interface by entering the PortServer TS 8/16 IP address in a browser’s URL win- dow. 2. Log in to the PortServer TS 8/16 ...

Configuring Ports for Terminals and Computers 6-3 • bps is the line speed • characters is the character size • parity is the parity scheme to use on this line • num-bits is the number of stop bits to use 3. If your terminal uses hardware flow control, supply a set flow command that specifies the fol...

5-2 Tips on Configuring A Modem Tips on Configuring A Modem Here are some tips on configuring modems to work with PortServer TS 8/16:• Configure the modem so that DCD goes high when it receives an incoming connection request. • Configure the modem to answer an incoming call only when DTR is high, an...

Configuring Ports for Modems 5-3 Configuring Ports for Modems: Web Interface Use this procedure to configure a port for a modem from the web interface. 1. Access the web interface by entering the PortServer TS 8/16 IP address in a browser’s URL win- dow. 2. Log in to the PortServer TS 8/16 as root. ...

8-2 Configuring PPP Connections: Web Interface Configuring PPP Connections: Web Interface Use this procedure to configure PPP connections from the web interface. 1. Access the web interface by placing the IP address of the Digi device in the URL window of a browser. 2. Log in as the root user. The d...

Configuring PPP 8-3 Configuring Inbound PPP Connections: Command Line Use this section to configure simple inbound PPP connections from the command line. F or information on fine-tuning PPP connections, see the set user command in the Digi One/PortServer TS Command Reference. Note: CHAP authenticati...

8-4 Configuring Inbound PPP Connections: Command Line 7. To configure an IP address for the local end of the PPP connection, enter the following com- mand: set user name=name localipaddr= ip-address where name is the user’s name and ip-address is the IP address to assign to the local end of the PPP ...

Configuring PPP 8-5 Configuring Outbound PPP Connections: Command Line This section describes how to configure outbound PPP connections. Use it to configure outbound only connections or to configure the outbound portion of bidirectional connections. Note: CHAP authentication works between two Digi d...

9-2 Introduction to Routing Introduction to Routing This section provides some introductory information on routing. What is Routing Routing is the method, employed by IP software, of choosing a path over which to send packets between systems on different physical networks. When PortServer TS 8/16 is...

Configuring IP Routing 9-3 About RIP Routing Updates Introduction RIP defines a method for propagating routing information among routers. It provides IP software with the information needed to make intelligent routing decisions. The information, passed in RIP updates packets from router-to-router, c...

9-4 About RIP Routing Updates regarded R2 as an alternate path to Net 1. The second is called “poison reverse,” which stipulates that routes are advertised as unreachable on the interface on which the route is learned. Had poison reverse been used in the preceding example, R2 would have advertised N...

Configuring IP Routing 9-5 Configuring Static Routes This section describes how to configure PortServer TS 8/16 for static routes. Related Information See the set route command in the Digi One/PortServer TS Command Reference. Procedure To configure a static route over a PPP link, enter the following...

9-6 Configuring Dynamic Routes Using RIP Configuring Dynamic Routes Using RIP This section describes how to configure PortServer TS 8/16 for dynamic routing. Related Information See the set forwarding command in the Digi One/PortServer TS Command Reference. Starting Point This procedure assumes that...

Configuring IP Routing 9-7 Configuring Proxy ARP This section describes how to configure PortServer TS 8/16 for Proxy ARP. Related Information See the set forwarding command in the Digi One/PortServer TS Command Reference. Starting Point This procedure assumes that you have signed on as root and hav...

7-2 About Autoconnection About Autoconnection The autoconnection feature allows you to configure a user to access the PortServer TS 8/16 and then be automatically connected to a host on the LAN. You can implement autoconnection in the following ways:• By port. In this case, all port users are automa...

Configuring Autoconnection 7-3 Configuring a User for Autoconnection: Web Interface 1. Access the web interface by entering the PortServer TS 8/16 IP address in a browser’s URL win- dow. 2. Log in to the PortServer TS 8/16 as root. The default password is dbps. 3. Select Configure and then Users fro...

Configuring Console Management 10-1 Chapter 10 Configuring Console Management In This Chapter • About Console Management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-2 • Configuring Console Management: Web Interface . . . . . . . . . . . . . . . . . . . . . 10-2 • C...

10-2 About Console Management About Console Management PortServer TS 8/16 can be configured to remotely manage network devices, such as routers, switches, and servers, which usually provide EIA-232 serial ports for management. Using the PortServer TS 8/16 and TCP/IP utilities like reverse Telnet and...

Configuring Console Management 10-3 • key is the name of a file that contains the DSA public key. If your host’s implementation requires a complete path to the file, specify the path here as well. Example: set user name=secure loadkey=143.191.2.34:ssh-file Example: SSH2 and Menu Access In this examp...

Configuring Security Features 12-1 Chapter 12 Configuring Security Features In This Chapter This chapter describes PortServer TS 8/16 security features and discusses how to configure them. It presents the following topics: • Controlling Access to the Digi One/PortServer TS 2/4 Configuration . . . . ...

12-2 Controlling Access to the PortServer TS 8/16 Configura- Controlling Access to the PortServer TS 8/16 Configuration PortServer TS 8/16 restricts access to the configuration by defining the following types of users:• The root user, who has unlimited access to PortServer TS 8/16 commands. He or sh...

Configuring Security Features 12-3 Controlling Access to Outbound Ports This section describes methods for controlling access to outbound serial ports. An outbound port is one defined on the dev field of the set ports command for one of the following device types:• prn (used to define printer connec...

12-4 Using RADIUS to Authenticate Users Using RADIUS to Authenticate Users This section provides a description of RADIUS and explains how to configure PortServer TS 8/16 to use RADIUS. What is RADIUS? RADIUS (remote authentication dial-in user service) is a method of maintaining a database of profil...

Configuring Security Features 12-5 RADIUS Accounting Attributes (RFC 2139) The following RADIUS accounting attributes are supported in the Digi PortServer TS 8/16. How RADIUS Works Here is how authentication works when PortServer TS 8/16 is configured for RADIUS: 1. A user logs into PortServer TS 8/...

12-6 Using RADIUS to Authenticate Users Configuring RADIUS: Command Line To configure PortServer TS 8/16 to function as a RADIUS client, supply a set radius command that specifies the following:• run=on • The IP address of the primary RADIUS server (on the primary field). The primary server is the f...

Configuring Security Features 12-7 Issuing User Passwords This section discusses how to issue user passwords. Related Information See the newpass and set user commands in the Digi One/PortServer TS Command Reference. Starting Point This procedure assumes that you have signed on as root and already c...

12-8 Configuring SSH Version 2 for Secure Communication Configuring SSH Version 2 for Secure Communication This section discusses how to configure a user to use SSH version 2 encryption. Password Protection To configure simple password authentication for an SSH user, no SSH-specific configuration is...

Configuring DNS 13-1 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 Pro...

13-2 About the Domain Name System About the Domain Name System This section discusses key concepts of the domain name system. Purpose of DNS The domain name system maps domain names to information associated with these names, such as IP addresses. DNS Components DNS components include:• A distribute...

Configuring DNS 13-3 Configuration Procedures Procedure for Using a Name Server To configure a DNS server, enter the following command: set config domain= domain myname= name dns=ip-address where• domain is the domain in which the PortServer TS 8/16 will reside • name is a DNS name for PortServer TS...

Configuring SNMP 14-1 Chapter 14 Configuring SNMP In This Chapter This chapter describes how to configure the PortServer TS 8/16 SNMP agent. It discusses the following topics: • About SNMP and the Digi One/PortServer TS 2/4 Agent. . . . . . . . . . . . . . . . 14-2 • Configuration Procedure: Web Int...

14-2 About SNMP and the PortServer TS 8/16 Agent About SNMP and the PortServer TS 8/16 Agent This section introduces SNMP and network management in TCP/IP networks, and it describes the PortServer TS 8/16 agent. It discusses the following:• Network management components • The SNMP agent • SNMP traps...

Configuring SNMP 14-3 Configuration Procedure: Web Interface 1. Access the web interface by entering the PortServer TS 8/16 IP address in a browser’s URL win- dow. 2. Log in to the PortServer TS 8/16 as root. The default password is dbps, which should be changed. See the newpass command in the Digi ...

Managing the OS and Configuration 16-1 Chapter 16 Managing the OS and Configuration In This Chapter This chapter provides information on updating the operating system (OS) and managing the configuration. Topics include the following: • Upgrading the OS (Firmware): Web Interface . . . . . . . . . . ....

16-2 Upgrading the OS (Firmware): Web Interface Upgrading the OS (Firmware): Web Interface Use this section to upgrade the firmware using the web interface. 1. Access the web interface by entering the PortServer TS 8/16 IP address in a browser’s URL win- dow. 2. Log in to the PortServer TS 8/16 as r...

Managing the OS and Configuration 16-3 Upgrading the OS (Firmware): Command Line This section describes how to upgrade the PortServer TS 8/16 operating system (OS). The OS is stored in flash ROM and can be upgraded without changing the ROM or other hardware. Related Information See the boot and set ...

16-4 Configuring PortServer TS 8/16 from a Remote Host Configuring PortServer TS 8/16 from a Remote Host This section discusses remote configuration, that is, configuring PortServer TS 8/16 from a remote host and then downloading the configuration file to PortServer TS 8/16. When To Use Remote Confi...

Managing the OS and Configuration 16-5 Copying a Configuration File from a Host to PortServer TS 8/16 This section describes how to copy the configuration file from a host to PortServer TS 8/16 after the file has been edited on the host. Related Information See the cpconf command in the Digi One/Por...

16-6 Resetting the Configuration to Defaults Resetting the Configuration to Defaults Use this section to learn how to use the revert command to reset the all or some of the configuration factory or to the latest configuration stored in NVRAM. Note: You can also use the range field on this command to...

Configuring Users 15-1 Chapter 15 Configuring Users In This Chapter This chapter discusses how to configure users. It covers the following topics: • About Configuring Users . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15-2 • Common User Features . . . . . . . . ....

15-2 About Configuring Users About Configuring Users Although it is not required, the PortServer TS 8/16 is often configured to accommodate the requirements of particular users. Typical configurable user attributes include the following:• Whether the user is required to supply a password • Autoconne...

Configuring Users 15-3 Configuring a User: Web Interface Use this section to configure users with from the web interface. 1. Access the web interface by entering the PortServer TS 8/16 IP address in a browser’s URL win- dow. 2. Log in to the PortServer TS 8/16 as root. The default password is dbps. ...

15-4 Configuring a User: Command Line Examples Configuring a User: Command Line Examples This section consists of a set of examples that tell you how to use the set user command to configure various user attributes. Configuring a User for a Password In this example, the set user command configures a...

Configuration Examples 17-1 Chapter 17 Configuration Examples This chapter provides several simple, but complete, configuration examples. If you find that the examples implement exactly the features needed for your network, simply copy them, making appropriate substitutions for site-specific informa...

17-2 Terminal Server Configuration Without RealPort Terminal Server Configuration Without RealPort In this configuration, PortServer TS 8/16 functions as a terminal server, providing Telnet and Rlogin access to hosts. This configuration enables the following:• Telnet or Rlogin access to the LAN-base...

Configuration Examples 17-3 Terminal Server Configuration Using Autoconnection This example shows a PortServer TS 8/16 functioning as a terminal server implementing autoconnection. • The terminals are connected to autoconnect ports. Consequently, when a user presses a terminal key, an automatic conn...

17-4 Terminal Server Configuration Using RealPort Terminal Server Configuration Using RealPort In this example, the PortServer TS 8/16 is simply providing ports for the LAN-based host using RealPort. The configuration is exceedingly simple because port attributes are configured on the host itself. R...

Configuration Examples 17-5 Dial-In PPP Connection Using RADIUS In this configuration, PortServer TS 8/16 uses a RADIUS server to provide a dial-in PPP connection. The attributes of the PPP connection, which can also be specified with set user commands, are specified on the RADIUS server. Related In...

PortServer TS 8/16 Troubleshooting 17-1 Chapter 17 PortServer TS 8/16 Troubleshooting In This Chapter • Symptom: PortServer TS 8/16 Does Not Boot . . . . . . . . . . . . . . . . . . . . . . . . 17-2 • Symptom: Cannot Telnet to the PortServer TS 8/16 . . . . . . . . . . . . . . . . . . . . 17-3 • Sym...

17-2 Symptom: PortServer TS 8/16 Does Not Boot Symptom: PortServer TS 8/16 Does Not Boot Introduction Use the information provided in this discussion when PortServer TS 8/16 will not complete the boot cycle. Procedures Things to Try See ... Check for hardware problems. • "Running PortServer TS 8...

PortServer TS 8/16 Troubleshooting 17-3 Symptom: Cannot Telnet to the PortServer TS 8/16 Introduction Use the information provided in this discussion to troubleshoot network problems. Assumptions This discussion assumes that the PortServer TS 8/16 itself is working, that is, that it completes the bo...

17-4 Symptom: Trouble Accessing a Port Symptom: Trouble Accessing a Port Introduction Use this procedure if you are having trouble accessing a PortServer TS 8/16 port. The specific problem might be that you cannot logon from a terminal or the printer or modem is not working properly. Assumptions Thi...

PortServer TS 8/16 Troubleshooting 17-5 Running PortServer TS 8/16 POST Use these topics to run PortServer TS 8/16 power on self test to validate the PortServer TS 8/16 hardware. Procedure: Running the POST Using the LEDs 1. Power on the PortServer TS 8/16. 2. Use the following table to interpret th...

17-6 Verifying TFTP on a UNIX System Verifying TFTP on a UNIX System Use this procedure to verify that TFTP is working correctly on your UNIX host. Note: This procedure, which uses a TFTP transfer of the Digi Device's boot image between two UNIX hosts, enables you to compare the size of the boot ima...

PortServer TS 8/16 Troubleshooting 17-7 For controlled TFTP access, make sure that the file /etc/tftpaccess.ctl exists and verify that it only allows access to public directories. If this file is not present, tftp will allow full access. A sample file is located in the directory /usr/lpp/tcpip/sampl...

17-8 Verifying the PortServer TS 8/16 IP Address Verifying the PortServer TS 8/16 IP Address Use this procedure to check the IP address on the PortServer TS 8/16. 1. Connect a terminal to a PortServer TS 8/16 port. 2. If the port is still using the default configuration, configure the terminal to us...

17-10 Checking for Duplicate IP Addresses Checking for Duplicate IP Addresses Use this procedure to ensure that the PortServer TS 8/16 and another device are not using the same IP address. Procedure 1. From another system on the network, use the ping command to determine if the IP address is in use....

PortServer TS 8/16 Troubleshooting 17-11 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

17-12 Verifying the Network Cabling Verifying the Network Cabling Use this procedure to troubleshoot network cabling problems. 1. Check the Ethernet cable. Verify the following: • The Ethernet cable is connected securely at both ends. • The Ethernet cable is pinned correctly. • The quality of the ca...

PortServer TS 8/16 Troubleshooting 17-13 Verifying the RealPort Process Use one of these procedures to verify the RealPort process: AIX: Verifying the RealPort Process Use this topic to verify that the RealPort daemon (process) is running on the AIX system. 1. Type the following: lsdev -Cc nts 2. If...

17-14 Verifying the RealPort Process Solaris: Verifying the RealPort Process Use this topic for information on verifying that the RealPort process is running on a Solaris system. 1. Type the following command: ps -ef|grep ncxd 2. If the information that appears is not correct, do the following: a. M...

PortServer TS 8/16 Troubleshooting 17-15 Checking and Changing Port Configuration Use this topic to ensure that PortServer TS 8/16 serial port configuration is correct. You can display and change port configuration from either the command line or the web interface. This topic addresses the command l...

17-16 Digi Contact Information Digi Contact Information Digi International11001 Bren Road EastMinnetonka, MN 55343U.S.A Customer Service and Support World Wide Web: http://support.digi.com email [email protected] Telephone (U.S.) 1-800-344-4273 Telephone (other locations (+011) 952-912-3444