HP Vectra XM5 4 Instrucciones de instalación y mantenimiento

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Setting Up the Network Connection

Network Administrator Guide

HP Vectra XM 5/xxx Series 4

Setting Up the Network Connection

2English

Notice

The information contained in this document is subject to change

without notice.

Hewlett-Packard makes no warranty of any kind with regard to this

material, including, but not limited to, the implied warranties of

merchantability and fitness for a particular purpose. Hewlett-Packard

shall not be liable for errors contained herein or for incidental or

consequential damages in connection with the furnishing, performance,

or use of this material.

Hewlett-Packard assumes no responsibility for the use or reliability of

its software on equipment that is not furnished by Hewlett-Packard.

This document contains proprietary information that is protected by

copyright. All rights are reserved. No part of this document may be

photocopied, reproduced, or translated to another language without the

prior written consent of Hewlett-Packard Company.

Magic PacketTM is a trademark of AMD Corporation.

Microsoft®, MS®and MS-DOS®are U.S. registered trademarks of

Microsoft Corporation. WindowsTM is a trademark of Microsoft

Corporation.

Novell®is a registered trademark of Novell, Inc.

OS/2TM is a trademark of International Business Machines Corporation.

Hewlett-Packard France

Grenoble Personal Computer Division

Technical Marketing

38053 Grenoble Cedex 9

France

1996 Hewlett-Packard Company

English 3

Setting Up the Network Connection

Introduction

Introduction

The primary purpose of a LAN interface is to allow your PC to take

advantage of the services that a LAN can provide. The HP Enhanced

PCI Ethernet Interface, however, is more than just a standard LAN

interface.

By integrating the LAN subsystem into its PCs, Hewlett-Packard brings

you more benefits from your LAN interface.

This section outlines the unique features of the HP Enhanced PCI

Ethernet Interface. It demonstrates how to extend the primary usage

of the LAN interface and how to better integrate your PC into your

LAN infrastructure in a more extensive way.

The configuration settings and extended functionality of your HP

Enhanced PCI Ethernet Interface require a strong expertise of the LAN

environment and of the Client/Server model. If you do not have this

level of expertise or you are not involved with the LAN infrastructure

to which your PC is to be connected, it is not recommended that you

use this guide without the help of your LAN expert.

Setting Up the Network Connection

Introduction

4English

PC BIOS and Self Testing

The HP Enhanced PCI Ethernet Interface in your Vectra PC is an

integrated part of the overall system and as such is monitored by the

system BIOS.

The Vectra PC tests the Enhanced PCI Ethernet Interface in the same

way as it tests the other system components during the power-on self

test (diagnostic) process. If any errors are found, the BIOS subsystem

will report to the user, giving suggested failure points and possible

solutions.

However, the BIOS does more than just self test the Enhanced PCI

Ethernet Interface, it allows configuration of the unique features of the

interface.

The security settings, the remote start (boot) and the power

management of the PC are all features that can be configured using the

PC SETUP program and the DMI (page 7) software.

Descriptions of these features, examples of where they can be used

and instructions for using the SETUP program to configure the

Enhanced PCI Ethernet Interface features are given in the remainder

of this document.

NOTE Refer to the User’s Guide that came with your Vectra PC for general

information about the self test error codes and using the SETUP

program.

English 5

Setting Up the Network Connection

Introduction

Remote Start

The remote start (boot) capability allows your Vectra PC to start from a

network server rather than from local devices such as the flexible drive

or hard disk.

When the remote start is enabled, the PC will use the Enhanced PCI

Ethernet interface to load the start code across the network from a

server on the LAN. The benefits of this are:

•Greater control of the PC and its start environment.

•Ability to use the PC without any local storage devices.

Starting from the network can be configured by both the PC SETUP

program and using the DMI interface. To allow you to take advantage of

this feature, several LAN environments and protocols are supported.

Examples of the

Remote Start feature ❒Virus protection: Some viruses corrupt the bootable area of diskettes

and hard disks in order to be active whenever the PC is started

(spreading mode) or to prevent the PC from starting altogether

(destructive mode). When the remote start facility is enabled, your

PC will use a bootable area located on a server where anti-virus

procedures are implemented that protect all machines booting from

that server.

❒Centralized upgrades: Software installations/upgrades are often

complex and involve difficult procedures. The remote start facility

allows a MIS (Management Information Services) manager total

control of a PC environment at each start, making it possible to

automatically update and configure software (even firmware such as

BIOS).

Setting Up the Network Connection

Introduction

6English

Security

Security in the standalone environment can be as simple as protecting

the information on your own PC. Network security means preserving

the integrity of all information accessible through the network against

misuse or corruption (whether accidental or deliberate).

When you connect a PC to a network, its security becomes a major

concern. The network based applications and data must be protected

from access by unauthorized users. Authorized users also present a

security risk if there is no way of restricting their network access.

The HP Vectra PCs can be protected by two levels of passwords - as

recommended by industry security models.

The user password protects the PC from unauthorized use by

prompting for a password at start and whenever the user locks the

machine.

The administrator password can be used to override the user

password, or to protect the PC’s configuration by restricting access to

the SETUP program.

It is highly recommended that you make use of these facilities when

your PC is connected to the network. Refer to the User’s Guide that

came with your PC for instructions on how to set passwords.

Example use of the

Security features

Controlled boot: Using the SETUP program, the administrator

configures the PC to start from the network. The administrator protects

the configuration using the administrator password and restricts access

to the networked PC using the user password.

English 7

Setting Up the Network Connection

Introduction

Power Management

The HP Enhanced PCI Ethernet interface has unique capabilities

related to the power management of your PC.

Environmental considerations make energy saving a very important

issue. New operating systems such as Windows for Workgroups 3.11,

Windows 95 and OS/2 help to save energy by reducing the power

consumption of the PC when full power is not required (often called

sleep or suspend mode).

Putting various components of the PC into low power mode when no

activity is detected can have side effects on network accessibility.

When the PC is in low power mode or switched off, it can no longer be

accessed through the network which can present problems for

administrators and shared users alike.

The HP Enhanced PCI Ethernet interface has the unique ability to

“wake-up” the PC when in low power mode, or even “power-on” the PC

when it is switched off by receiving a special sequence (known as a

Magic Packet™) from the network.

This ability to control (manage) the power functioning of a PC from a

remote location can offer significant improvements in environmental

and security factors. All users are able to switch off their machines

when not in use without the disadvantage of disrupting the network.

This guide contains instructions on using the remote power features of

your PC (page 11).

Example use of the

Remote Power feature

Remote upgrades: MIS management tasks such as firmware/software

upgrades often happen out of business hours when most users have

switched off their PCs and gone home. If the administrator wanted to

access a PC across the network that was in sleep mode or switched off,

they would have to physically go to the PC to start or “wake” it. Using

the Remote-Wake or Remote-Start command over the network, the

administrator can access machines from their desk that would

otherwise have been unavailable.

Setting Up the Network Connection

Introduction

8English

Management Services

In order to configure your PC, update its software, guarantee greater

reliability and optimize the overall network infrastructure, the network

administrator needs to access your PC. Hewlett-Packard consider this

manageability as a requirement on all their PC platforms.

The Hewlett-Packard approach to manageability is designed around

the new DMI (Desktop Management Interface) PC management

standard framework defined by the DMTF (Desktop Management Task

Force).

Your HP Vectra PC comes with a wide set of attributes and local

management applications, as well as network agents that allow remote

access to the DMI management framework1.

Manageability

Examples ❒Company asset management: Using DMI and the network agents,

asset information can be retrieved centrally rather than physically

sending someone to assess each PC.

❒Firmware upgrading: The network administrator has a BIOS

firmware upgrade and wants to upgrade the corresponding

machines. All network PCs can be interrogated for their BIOS

version remotely, and those that need to be upgraded are configured

to start from a server which has been programmed accordingly. The

upgrade can then be performed the next time the PC is started.

1. The DMI management framework is a collection of software

applications that run on top of your PC operating system.

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Setting Up the Network Connection

Setting Up the Network Connection

Setting Up the Network Connection

This section explains how to connect PCs with an Enhanced PCI

Ethernet interface to a network and configure the interface. Also, it

describes the procedure to make a LAN Disk using either the Windows-

based HP Master Diskette Creation utility or MS-DOS.

To setup the network connection:

•connect the LAN cable to the PC as described in "Connecting the

LAN Cable" in the next section.

•check the configuration of the interface as described in "Configuring

the Enhanced PCI Ethernet Interface in SETUP" later in this

document, before installing the LAN drivers.

Setting Up the Network Connection

Connecting the LAN Cable

10 English

Connecting the LAN Cable

The Enhanced PCI Ethernet interface has an 8-pin RJ-45 UTP

(unshielded twisted pair) connector jack for an unshielded “twisted-

pair” LAN cable connection.

A coaxial connection for thinLAN is available as an optional Coaxial

Adapter Board, D3979A. See the User's Guide supplied with the PC for

more information.

If you use the UTP connector, the coaxial connector is automatically

disabled.

If you use the coaxial connector, the UTP connector is automatically

disabled.

CAUTION Before installing the LAN cable, check that the building power

installation complies with IEC 364, or equivalent local code.

The LAN cable runs must not coincide with the path of lightning

conductors, and they should preferably be separated from the outside

surfaces of the building, especially roofing.

No maintenance work should be undertaken while there is a likelihood

of an outdoor section of the cable being struck by lightning.

Wherever possible, separate the LAN and power cable runs.

Attach the LAN cable as shown

Optional coaxial connector