Preface

Introducing This Guide

This guide describes how to manage a TCP/IP network and the TCPware components. It is for system managers and administrators.

What You Need to Know Beforehand

Before using TCPware, you should be familiar with:

·         The TCPware for OpenVMS products, components, features, and capabilities (see the User's Guide for more information)

·         Computer networks in general

·         The OpenVMS operating system and file system

How This Guide Is Organized

This guide has the following contents:

·         Part I, Managing Hosts - Includes chapters on the Dynamic Host Configuration Protocol (DHCP) Client, Domain Name Services, and the Dynamic Host Configuration Protocol (DHCP) and BOOTP servers.

·         Part II, Managing Networks - Includes chapters on the PPP and SLIP serial link interfaces, Cluster Alias Failover, the Simple Network Management Protocol (SNMP), and X.25 networks.

·         Part III, Managing Routing - Includes a chapter on the routing protocols (primarily GateD).

·         Part IV, Managing Time Services - Includes chapters on the Network Time Protocol (NTP) and TIMED protocol.

·         Part V, Managing Applications - Includes chapters on managing the FTP-OpenVMS Client and Server, NFS-OpenVMS Client and Server, Print Services, Berkeley R Command services, the mail services (SMTP-OpenVMS and IMAP), and TELNET-OpenVMS Server.

·         Part VI, Managing Security - Includes chapters on general TCPware security, Access Restrictions, Packet Filtering, Token Authentication, Kerberos server and applications, the IP Security Option (IPSO), and Secure Shell (SSH).

·         Part VII, Managing Additional Support - Includes chapters on PATHWORKS support, tunneling DECnet over IP, X Display Manager (XDM), and DECwindows support.

·         Part VIII, Network Testing Tools - Includes a chapter on the network testing tools, such as DISCARD, FINGER, NETCU DEBUG, NSLOOKUP, PING, QUOTED, TCPDUMP, and TRACEROUTE.

·         Appendixes, including NFS-to-OpenVMS filename mapping rules, Data Network Identification Codes for X.25 networks, and TCPware logicals.

·         Index to this guide.

Online Help

You can use help at the DCL prompt to find the following:

·         Topical help - Access TCPware help topics as follows:

$ HELP TCPWARE [topic]

The topic entry is optional. You can also enter topics and subtopics at the following prompt and its subprompts:

TCPWARE Subtopic?

Online help is also available from within certain TCPware components: FTP client and server, Network Control Utility (NETCU), TELNET client, NSLOOKUP, and TRACEROUTE. Use the HELP command from within each component:

NETCU>HELP [topic]

·         Error messages help - Access help for TCPware error messages as follows:

$ HELP TCPWARE MESSAGES

If the error message is included in the MESSAGES help, it identifies the TCPware component and provides a meaning and user action. See the Instructions under MESSAGES.

Obtaining Customer Support

You can use the following customer support services for information and help about TCPware and other Process Software products if you subscribe to our Product Support Services. (If you bought TCPware products through an authorized TCPware reseller, contact your reseller for technical support.) Contact Technical Support directly using the following methods:

Electronic Mail

E-mail relays your question to us quickly and allows us to respond as soon as we have information for you. Send e-mail to support@process.com. Be sure to include your:

·         Name

·         Telephone number

·         Company name

·         Process Software product name and version number

·         Operating system name and version number

·         Process Software support contract number

Describe the problem in as much detail as possible. You should receive an immediate automated response telling you that your call was logged.

Telephone

If calling within the continental United States or Canada, call Process Software Technical Support toll-free at (800) 394-8700. If calling from outside the continental United States or Canada, dial +1 (508) 628-5074. Please be ready to provide your name, company name, Process Software support contract number, and telephone number.

World Wide Web

There is a variety of useful technical information available on our World Wide Web home page, http://www.process.com/

License Information

TCPware for OpenVMS includes a software license that entitles you to install and use it on one machine. Please read and understand the Software License Agreement before installing the product. If you want to use TCPware on more than one machine, you need to purchase additional licenses. Contact Process Software or your distributor for details.

Maintenance Services

Process Software offers a variety of software maintenance and support services. Contact us or your distributor for details about these services.

Documentation Set

The documentation set for TCPware consists of the following:

·         Installation & Configuration Guide - For system managers and those installing the software. The guide provides installation and configuration instructions for the TCPware products.

·         Management Guide - For system managers. This guide contains information on functions not normally available to the general network end user. It also includes implementation notes and troubleshooting information.

·         Network Control Utility (NETCU) Command Reference - For users and system managers. This reference covers all the commands available with the Network Control Utility (NETCU) and contains troubleshooting information.

·         Programmer's Guide - For network application programmers. This guide gives application programmers information on the callable interfaces between TCPware and application programs.

·         Release Notes for the current version of TCPware - For all users, system managers, and application programmers. The Release Notes are available online on your TCPware media and are accessible before or after software installation.

·         User's Guide - For all users. This guide includes an introduction to TCPware products as well as a reference for the user functions arranged alphabetically by product, utility, or service.

Conventions Used

 

Convention

Meaning

host

Any computer system on the network. The local host is your computer. A remote host is any other computer.

monospaced type

System output or user input. User input is in reversed bold type.

Example: Is this configuration correct? YES

 

Monospaced type also indicates user input where the case of the entry should be preserved.

italic type

Variable value in commands and examples. For example, username indicates that you must substitute your actual username.  Italic text also identifies documentation references.

[directory]

Directory name in an OpenVMS file specification. Include the brackets in the specification.

[optional-text]

(Italicized text and square brackets) Enclosed information is optional. Do not include the brackets when entering the information.

Example:  START/IP line address [info]

This command indicates that the info parameter is optional.

{value | value}

Denotes that you should use only one of the given values. Do not include the braces or vertical bars when entering the value.

Note

Information that follows is particularly noteworthy.

Caution

Information that follows is critical in preventing a system interruption or security breach.

key

Press the specified key on your keyboard.

Ctrl+key

Press the control key and the other specified key simultaneously.

Return

Press the Return or Enter key on your keyboard.