Compaq T1500 User Manual

T1500 W

ETWORK INSTALLATION GUIDE

INDOWS-BASED TERMINAL

T1500 W

ETWORK INSTALLATION GUIDE

December 1999

INDOWS-BASED TERMINAL

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Notice

NoticeNotice

The information in this document is subject to change without notice.

COMPAQ COMPUTER CORPORATION SHALL NOT BE LIABLE FOR TECHNICAL OR EDITORIAL ERRORS OR OMISSIONS CONTAINED HEREIN; NOR FOR INCIDENTAL OR CONSEQUENTIAL DAMAGES RESULTING FROM THE FURNISHING, PERFORMANCE, OR USE OF THIS MATERIAL.

This document contains information protected by copyright. No part of this document may be photocopied or reproduced in any form without prior written consent from Compaq Computer Corporation.

COMPAQ and the Compaq logo are registered in the U.S. Patent and Trademark Office.

Product names mentioned herein may be trademarks and/or registered trademarks of their respective companies.

Compaq T1500 Windows-based Terminal Reference Guide

Compaq T1500 Windows-based Terminal Reference GuideCompaq T1500 Windows-based Terminal Reference Guide

First Edition December 1999

Federal Communications Commission Notice

Federal Communications Commission NoticeFederal Communications Commission Notice

This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

• Reorient or relocate the receiving antenna.

• Increase the separation between the equipment and the receiver.

• Connect the equipment to an outlet on a circuit different from that to which the receiver is connected.

• Consult the dealer or an experienced radio/TV technician for help.

Modifications

ModificationsModifications

The FCC requires the user to be notified that any changes or modifications made to this device that are not expressly approved by Compaq Computer Corporation may void the user’s authority to operate the equipment.

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Cables

CablesCables

Connections to this device must be made with shielded cables with metallic RFI/ EMI connector hoods in order to maintain compliance with FCC Rules and Regulations.

Canadian Notice

Canadian NoticeCanadian Notice

This Class B digital apparatus meets all requirements of the Canadian Interference-Causing Equipment Regulations.

Avis Canadien

Avis CanadienAvis Canadien

Cet appareil numérique de la classe B respecte toutes les exigneces du Réglement sur le matériel brouilleur du Canada.

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European Union Notice

European Union NoticeEuropean Union Notice

Products with the CE Marking comply with both the EMC Directive (89/336/EEC) and the Low Voltage Directive (73/23/EEC) issued by the Commission of the European Community.

Compliance with these directives implies conformity to the following European Norms (in brackets are the equivalent international standards):

• EN55022 (CISPR 22) - Electromagnetic Interference

• EN50082-1 (IEC801-2, IEC801-3, IEC801-4) - Electromagnetic Immunity

• EN60950 (IEC950) - Product Safety

Japanese Notice

Japanese NoticeJapanese Notice

Control No. 075C

License Agreement

License AgreementLicense Agreement

YOU SHOULD CAREFULLY READ THE FOLLOWING TERMS AND CONDITIONS BEFORE USING THIS SOFTWARE (TOGETHER WITH ANY SUPPLIED DOCUMENTATION, HEREAFTER “SOFTWARE”), WHICH IS COPYRIGHTED BY LICENSOR. USING THIS SOFTWARE INDICATES YOUR ACCEPTANCE OF THE FOLLOWING TERMS AND CONDITIONS.

Grant

GrantGrant

You may use the Software in conjunction with Your hardware (Terminal). You have the right to use this Software by loading it onto a computer containing the capability of transferring the Software (in whole or in part) to Your Terminal. You may use the Software in this fashion to as many times as is necessary, so long as such use is always in conjunction with Your Terminal. You may transfer ownership of the Terminal and equipment, including the right to use the Software to another party so long as that party agrees to accept these terms and conditions.

YOU MAY NOT USE, COPY, MODIFY, TRANSLATE OR TRANSFER THE SOFTWARE, OR MODIFICATION THEREOF, IN WHOLE OR IN PART, EXCEPT AS EXPRESSLY PROVIDED FOR IN THIS LICENSE. YOU MAY NOT DECOMPILE, REVERSE ENGINEER OR OTHERWISE DECODE OR ALTER THE SOFTWARE.

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Disclaimer of Warranty

Disclaimer of WarrantyDisclaimer of Warranty

The software is provided, “AS IS,” and is delivered with no warranties, either express or implied.

LICENSOR MAKES AND YOU RECEIVE NO WARRANTIES ON THE SOFTWARE, EXPRESS, IMPLIED, OR STATUTORY, OR IN ANY OTHER PROVISION OF THIS AGREEMENT OR COMMUNICATION WITH YOU, AND LICENSOR DISCLAIMS ANY IMPLIED WARRANTIES OF MERCHANTABILITY, NON-INFRINGEMENT AND FITNESS FOR ANY PARTICULAR PURPOSE. LICENSOR DOES NOT WARRANT THAT THE FUNCTIONS CONTAINED IN THE PRODUCT WILL MEET YOUR REQUIREMENTS OR THAT THE OPERATION WILL BE UNINTERRUPTED OR ERROR FREE.

SOME STATES DO NOT ALLOW LIMITATIONS ON HOW LONG AN IMPLIED WARRANTY LASTS SO THE ABOVE LIMITATION MAY NOT APPLY TO YOU. THIS WARRANTY GIVES YOU SPECIFIC LEGAL RIGHTS. YOU MAY ALSO HAVE OTHER RIGHTS WHICH VARY FROM STATE TO STATE.

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Limit of liability

Limit of liabilityLimit of liability

UNDER NO CIRCUMSTANCES SHALL LICENSOR BE LIABLE FOR LOSS OF DATA, COST OF COVER, OR ANY INCIDENTAL OR CONSEQUENTIAL DAMAGES, HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY. THESE LIMITATIONS SHALL APPLY EVEN IF LICENSOR OR ITS RESELLER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES, AND NOTWITHSTANDING ANY FAILURE OF ESSENTIAL PURPOSE OF ANY LIMITED REMEDY PROVIDED HEREIN.

YOU AGREE THAT THESE ARE THE ONLY APPLICABLE TERMS OF AGREEMENT BETWEEN US COVERING SOFTWARE AND THAT THEY SUPERSEDE ANY OTHER COMMUNICATIONS (ORAL OR WRITTEN) BETWEEN US RELATING TO THE SOFTWARE.

Export Restrictions

Export RestrictionsExport Restrictions

You agree You will not export or transmit the Software to any country to which export is restricted by applicable U.S. law or regulation without the written approval of the appropriate U.S. Government organization.

U.S. Government Restricted Rights

U.S. Government Restricted RightsU.S. Government Restricted Rights

The Software is provided with RESTRICTED RIGHTS. Use, duplication or disclosure by the Government is subject to restrictions as set forth in subparagraph (c)(1)(ii) of the Rights in Technological Data and computer software clause at DFARS 252.227-7013 or in subparagraphs (c)(1) and (2) of the Commercial Computer Software-Restricted Rights at 8 C.F.R. 52-227-19 as applicable.

Contents

ContentsContents

Overview

OverviewOverview

Introduction How to Use This Guide References

DHCP/BOOTP Time Server SNMP Other RFCs

1111 Installation Overview and Planning

Installation Overview and Planning

Installation Overview and PlanningInstallation Overview and Planning

Overview of Installation Procedure Planning Your Installation

Step 1. Complete Worksheets Step 2. Configure Terminal Start-Up Resources Step 3. Configure Optional Terminal Start-Up Resources Step 4. Configure Server Application Resources Step 5. Select Location of Browser Step 6. Install CD Software onto the Server(s)

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2222 Configuring Terminal Start-Up Resources

Configuring Terminal Start-Up Resources

Configuring Terminal Start-Up ResourcesConfiguring Terminal Start-Up Resources

BOOTP DHCP

T1500-Specific Option Definitions

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Option 43 Vendor-Specific ID NETSVC NOSWAP REFLASH MF_DIR MF_CFG XFS XDMCP

BUDDY_BOOT Packet Size Option Overload Option 18 vs. Option 43 vs. Options 128+

Option 18

Option 43

Options 128+

TFTP NFS DNS Time Server

3333 Configuring Optional Terminal Start-Up Resources

Configuring Optional Terminal Start-Up Resources

Configuring Optional Terminal Start-Up ResourcesConfiguring Optional Terminal Start-Up Resources

Network Services

SNMP HTTP (Help) Serial Internet Connections

FTP HTTP (Upgrades)

NFS SMB

PPP SLIP CSLIP

17 19

4444 Configuring Server Application Resources

Configuring Server Application Resources

Configuring Server Application ResourcesConfiguring Server Application Resources

HTTP POP3/IMAP4 ICA RSH (X Manager)

5555 Selecting Browser Location

Selecting Browser Location

Selecting Browser LocationSelecting Browser Location

Browser Location Netscape Communicator Constraints

Secure Shell

6666 Installing CD Software onto the Server(s)

Installing CD Software onto the Server(s)

Installing CD Software onto the Server(s)Installing CD Software onto the Server(s)

CD Contents Running the Installation Program

Text-Mode Installation GUI-Mode Installation

Installing on Non-Supported Servers

AAAA T1500 Windows-Based Terminal Quick-Start Instructions

T1500 Windows-Based Terminal Quick-Start Instructions

T1500 Windows-Based Terminal Quick-Start InstructionsT1500 Windows-Based Terminal Quick-Start Instructions

Quick-Start Procedure “G-Key Reset” Procedure

BBBB Installation Planning Worksheets

Installation Planning Worksheets

Installation Planning WorksheetsInstallation Planning Worksheets

Terminal Start-Up Resources Worksheet Optional Terminal Start-up Resources Worksheet Server Application Resources Worksheet Browser Launch Location Resources Worksheet Other Images Location Worksheet Software Images from the CDROM Worksheet

List of Figures

List of FiguresList of Figures

2-1 Bootptab File Example

39 43 44

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List of Tables

List of TablesList of Tables

2-1 DHCP Options 2-2 Additional Vendor-Specific Options 2-3 Labels and Data for Text Format Option 5-1 Netscape Communicator Constraints

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Overview

OverviewOverview

Introduction

IntroductionIntroduction

This guide explains how to install software from the installation CD onto your server and how to configure the resources resident on the server to support Compaq T1500 Windows-Based Terminals for this software release.

How to Use This Guide

How to Use This GuideHow to Use This Guide

For full access to all the terminal resources, you will need to plan and configure your server setup as explained in Chapter 1 of this guide.

If you only want to verify basic operation of the terminal using local boot, go directly to the quick-start procedure in Appendix A. However, you will have only limited access to the terminal resources.

Terminal setup information is available from help files resident on the terminals and complete instructions are available on line after terminal-server communication is established.

References

ReferencesReferences

The following Requests for Comments (RFCs) should be reviewed:

Note

NoteNote

RFCs are freely available through the World-Wide Web. They can be accessed from sites such as:

www.cis.ohio-state.edu/hypertext/information/rfc.html

http://

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DHCP/BOOTP

DHCP/BOOTPDHCP/BOOTP

RFC 1534 - Interoperation between DHCP and BOOTP

RFC 2131 - Dynamic Host Configuration Protocol

RFC 2132 - DHCP Options and BOOTP Vendor Extensions

Time Server

Time ServerTime Server

RFC 868 - Time Protocol

SNMP

SNMPSNMP

RFC 1155 - Structure and Identification of Management Information for TCP/IP-based Internets

RFC 1157 - A Simple Network Management Protocol (SNMP)

RFC 1212 - Concise MIB Definitions

RFC 1213 - Management Information Base for Network Management of TCP/IP-based internets: MIB-II

Other RFCs

Other RFCsOther RFCs

RFC 1350 -The TFTP Protocol (Revision 2)

RFC 1094 - NFS: Network File System Protocol Specification

RFC 1034 - Domain Names - Concepts and Facilities

RFC 1035 - Domain Names - Implementation and Specification

RFC 2616 - Hypertext Transfer Protocol - HTTP/1.1

RFC 2617 - HTTP Authentication: Basic and Digest Access Authentication

RFC 1548 - The Point-to-Point Protocol (PPP)

RFC 1055 - A Nonstandard for Transmission of IP Datagrams Over Serial Lines: SLIP

RFC 1939 - Post Office Protocol - Version 3

RFC 821 - Simple Mail Transfer Protocol

Installation Overview and

Installation Overview and Installation Overview and Planning

Planning

PlanningPlanning

This document describes how to install the T1500 software on the following computer servers:

• SCO OpenServer 5.0.5

•SCO UnixWare 7

• Linux (both Slackware and Red Hat)

• Windows NT Server

•HP/UX

For technical support refer to the Compaq Technical Support telephone numbers for your area.

Note

NoteNote

If you are operating in a local-boot environment and already have a network configured, and if you will be using the default help page and time server, you might consider using the quick-start procedure in Appendix A rather than this procedure. Otherwise, use this advanced procedure.

Note

NoteNote

If prior-release terminals are running on your network, be careful to avoid overwriting the prior-release files when installing this version of software.

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Overview of Installation Procedure

Overview of Installation ProcedureOverview of Installation Procedure

Chapter 1

Server resources can be provided from platforms other than the above-listed ones, but Compaq has not certified other environments and can not be responsible for any problems related to incorrectly configured servers. If you are going to operate in a different server environment, read this entire document very carefully to determine if there are any issues that you might need to resolve.

There are two major parts to the installation:

1.1.

The first part is the configuration of the server resources necessary to use the terminal.

2.2.

The second part is the installation of software provided on the installation CD.

The installation scripts on the CD are used to perform the second part; they are not used for the first part because software tools should already exist on your server to configure the server resources.

Note

NoteNote

Because portions of the software installed from the CD depend on certain server resources, it is recommended that you configure the server resources first before installing software from the CD.

This document provides all the steps necessary to configure a complete set of server resources for use with the terminals for this software release. For most of the resources, you should refer to the instructions and manual pages that come with the server software and operating system running on your server. Where special configuration information applies specifically to the terminals, this document provides that information. Many servers provide tools to configure the various network resources required, recommended, or requested for use with the terminals.

Installation Overview and Planning

Planning Your Installation

Planning Your InstallationPlanning Your Installation

The software installation procedure is broken down into 6 basic steps, including the planning described in this chapter. The following brief descriptions of the basic steps do not by themselves provide enough information for you to fill in the planning worksheets presented in Appendix B of this document; you should also read the chapters pertaining to the individual worksheets for full information. If you fill in the worksheets and perform the procedures presented in Chapters 2 through 6 in order, the installation should go smoothly.

Step 1. Complete Worksheets

Step 1. Complete WorksheetsStep 1. Complete Worksheets

The worksheets in Appendix B will help you determine which server resources must be installed/configured for the planned installation. Each worksheet pertains to one of the categories of network resources. Steps 2 through 6 below provide brief summaries of the configuration process, and Chapters 2 through 6 provide details pertaining to each corresponding step.

Note

NoteNote

Read the instructions presented in the chapter pertaining to a worksheet before filling in the worksheet. This will enable you to proceed smoothly through the remaining steps of this procedure.

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Step 2. Configure Terminal Start-Up Resources

Step 2. Configure Terminal Start-Up ResourcesStep 2. Configure Terminal Start-Up Resources

There is a minimum set of server resources that must be configured for using a T1500 Windows-Based Terminal. Some of the resources are required in a networkboot environment, some are required in a local boot environment, and others are strongly recommended for either environment.

Fill out the worksheet for Step 2 in Appendix B and use the instructions in Chapter 2 to configure terminal start-up resources.

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Chapter 1

Step 3. Configure Optional Terminal Start-Up Resources

Step 3. Configure Optional Terminal Start-Up ResourcesStep 3. Configure Optional Terminal Start-Up Resources

A set of resources independent of the individual applications on the terminal is strongly recommended for ease of use of the system as a whole. Although these resources are optional, providing them will speed up access of certain items, provide enhanced diagnostic capabilities (for troubleshooting problems), provide for swapping in a local-boot environment, provide for print spooling in a local-boot environment, allow for remote administration of the terminal, provide for Internet (or intranet) connections via a modem, and facilitate upgrading the terminal to future revisions.

Fill out the worksheet for Step 3 in Appendix B and use the instructions in Chapter 3 to configure optional terminal start-up resources.

Step 4. Configure Server Application Resources

Step 4. Configure Server Application ResourcesStep 4. Configure Server Application Resources

Some applications on the terminal require a server to be configured with services that the applications must access to operate properly.

Fill out the worksheet for Step 4 in Appendix B and use the instructions in Chapter 4 to configure server application resources.

Step 5. Select Location of Browser

Step 5. Select Location of BrowserStep 5. Select Location of Browser

A set of resources must be configured based on your choice of browser access. The choice should be based upon performance, features required, and administrative costs. The terminal is capable of running browsers locally, from a Windows Terminal Server (via the ICA protocol), and from a UNIX server (via the X protocol).

Fill out the worksheet for Step 5 in Appendix B and use the instructions in Chapter 5 to select the location of the browser.

Step 6. Install CD Software onto the Server(s)

Step 6. Install CD Software onto the Server(s)Step 6. Install CD Software onto the Server(s)

After the server resources are configured, you must install software from the installation CD onto the server(s). You do not need to install all the software on the CD on all the servers. You need only to install the portions that correspond to server resources configured in steps 2 through 5 above, and they need to be installed on only the individual servers providing the associated server resources.

Fill out the worksheets for Step 6 in Appendix B and use the instructions in Chapter 6 to install CD software onto the server(s).

BOOTP

BOOTPBOOTP

Configuring Terminal

Configuring Terminal Configuring Terminal Start-Up Resources

Start-Up Resources

Start-Up ResourcesStart-Up Resources

Several network resources are either required or recommended for starting up the terminal initially in a network-boot environment. The resources in this category use the following 6 network protocols:

BOOTP NFS DHCP

DNS TFTP Time Server

A brief description of the resources and any special configuration requirements for each protocol are provided in this chapter. Some resources (such as NFS) may also be described in other chapters of this document.

BOOTP is a protocol used in a network-boot environment for providing all information that the terminal needs to start with minimal functionality. Either BOOTP or DHCP (described below) is required in a network-boot environment. BOOTP is not used in local-boot environments.

Note

NoteNote

Since DHCP has mostly superseded BOOTP, it is recommended that DHCP be used instead of BOOTP for network boot.

Note

NoteNote

BOOTP is not currently supported by Microsoft NT, although it is supported by Windows 2000.

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Chapter 2

When booting in a network environment, BOOTP provides the terminal with the following required information: the terminal’s IP address; the IP address of the TFTP boot server; the pathname of the operating system file to be loaded using the TFTP server; the NFS directory to use for the terminal’s root file system (including NFS server IP address and pathname on that server); and a subnet mask (typically

255.255.255.0 for Class C IP addresses and 255.255.0.0 for Class B IP addresses).

For network boot, the terminal should have the following pieces of information, but they are not necessarily required for the terminal to function (depending upon your network configuration). Recommended information includes a domain name, domain name server(s) to provide name-to-IP address resolution (for other terminals and/or computers), and gateway IP address (for allowing you to access computers outside your subnet).

Note

NoteNote

Some BOOTP server implementations allow only 64 bytes of information, including identification overhead, to be sent in a reply message. If the provided information plus overhead exceeds this limit, the server will truncate the reply message to fit within the limit, with unpredictable results. SCO Openserver contains a BOOTP server with this limitation. This has been reported to SCO and may be fixed in a release of Openserver after Release 5.0.5. Because of this restriction, the putting the terminal’s root directory off the server’s root directory (can be via a symbolic link).

T17

option (see below) may necessitate

To use BOOTP, you must typically make one entry per terminal, with an identifying tag and the terminal’s MAC address. Of the fields mentioned above, the that

must

be unique for each terminal is the IP address field. Therefore, if using a BOOTP server that stores data in the generic approach for all other fields and use the tc entry for each terminal to refer back to that generic entry, as in the following example:

/etc/bootptab

file, the file can take a

only

field

Configuring Terminal Start-Up Resources

Figure 2-1 Bootptab File Example

Figure 2-1 Bootptab File ExampleFigure 2-1 Bootptab File Example

.c_terminal:ht=1:ds=132.237.1.42:gw=132.237.20.1:sm=255.255.255.0:\ :dn=xx.com:sa=132.237.20.2:hd=/tftpboot:bf=vmlinux:\ :T17=”132.237.20.2:/nwt/root”: term1:ha=00800c123456:ip=132.237.20.5:tc=.c_terminal term2:ha=00800c123457:ip=132.237.20.4:tc=.c_terminal

Legend:

bf = TFTP boot file dn = domain name ds = domain name servers (IP) gw = gateways ha = hardware address hd = home directory ht = hardware type ip = host IP address sa = TFTP server address sm = subnet mask tc = template host (points to similar host entry) T17 = root path

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The option used here for the NFS root directory is the

IPADDR:/PATH

form

PATH

is the full pathname on that server to what will be the root directory of the network boot directory tree. (The quotation marks are required in the allow the colon in the option data to be passed as part of the data.)

Note

NoteNote

IMPORTANT!

IMPORTANT!IMPORTANT! the terminal boot process must be specified by IP address. This is because the name resolution function is not operational until the system is completely loaded and initialized.

The addresses of servers that support

. The

IPADDR

entry is the IP address of the NFS server and

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entry, which is of the

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entry to

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Chapter 2

DHCP

DHCPDHCP

For all non-Windows server platforms,

inetd

. It is recommend that terminals and a stable environment (i.e., an unchanging list of terminals), it may be faster to run via automatic start-up at server boot. Consult the manual pages for the

bootp

program on your server platform. Linux uses

in.bootpd

Openserver platforms, the entry to look for in the file

/etc/inet/inetd.conf

( and Openserver platforms, the table that describes what options to provide to what terminals is information, refer to the server manual pages that discuss

DHCP is a protocol that can be used in both local- and network-boot environments. In local-boot environments, it can be used to reduce the amount of configuring that must be done on a terminal-by-terminal basis. In network boot environments, it can be used in the same manner as BOOTP (described above). For network boot, site policy should dictate the use of BOOTP or DHCP for providing the terminal with its boot information. In the database for DHCP, the terminal’s MAC address and IP address are not normally used because all information typically will be provided for all terminals and the DHCP server manages the IP addresses for all terminals at run time.

, Openserver uses

/etc/bootptab (/etc/inet/bootptab

bootp

bootpd

on UnixWare) begins with

bootp

can be run either at boot or from

be run from

, and HP/UX uses

inetd

, although with many

bootpd

/etc/inetd.conf

, UnixWare uses

bootpd

bootps

on UnixWare). For more

bootptab

. On Linux and

. On Linux, HP/UX,

and

bootpd

Note

NoteNote

A Microsoft NT DHCP server can provide information allowing a terminal to network boot, provided the TFTP and NFS services are running on supported servers.

In a network-boot environment, all fields mentioned above for BOOTP should be entered and the same explanations apply. There are currently no other special requirements for configuring DHCP servers to provide information to the terminals. The server and path are provided to terminals by the DHCP protocol. DHCP uses options 66 and 67 defined in RFC 2132.

Configuring Terminal Start-Up Resources

In a local-boot environment, DHCP can provide a set of configuration parameters,

Select | System | Setup |

which reduces the need to configure the terminal’s Connectivity | Internet | DHCP

Connectivity | Internet | DHCP

Connectivity | Internet | DHCPConnectivity | Internet | DHCP configuration assumes DHCP provides all network configuration information. As such, the fields mentioned above for BOOTP all apply, except that the TFTP server (sa), TFTP boot file (bf), and Root directory ( a mixed (local- and network-boot) environment is acceptable, since they are ignored completely in a locally booted terminal.

Boot Server (see on-line help), otherwise known as “Buddy Boot,” uses these options to give preference to a server that provides these options, servers for use with local boot should use these options with extreme caution, since it may prevent Boot Server from working.

The terminal renegotiates address information based upon the server’s configured value for the lease time. If lease time is set for an infinite lease, the terminal will not renegotiate for a lease extension or a new IP address until the terminal is rebooted. At reboot, the terminal will once again ask for an IP address and other configuration information.

The terminal uses the DHCP options listed in Table 2-1. Future releases may increase the size of the list. Some of the listed options are sent by the server and others are sent by the client. Refer to the RFCs (listed in “ “

Overview”

chapter of this document) for usage.

dialog box. The default (out of the box)

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) are not used. Providing them in

References”

in the

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+ 51 hidden pages