Cisco Network Assistant Manuale utente

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Getting Started with

Cisco Network Assistant

Version 5.4

Text Part Number: OL-6194-07

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Getting Started with Cisco Network Assistant

iii

Getting Started with Cisco Network Assistant

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CONTENTS

Preface v

Audience i-v

Purpose i-v

Obtaining Documentation and Submitting a Service Request i-v

CHAPTER

1What Is Network Assistant? 1-1

CHAPTER

2Network Assistant Features 2-1

Front Panel View 2-2

Topology View 2-3

Menu Bar, Toolbar, and Feature Bar 2-4

Menu Bar 2-4

Toolbar 2-5

Feature Bar 2-6

Network Assistant Modes 2-8

Wizards 2-9

Smartports 2-9

Privilege Levels 2-9

Updates for Network Assistant 2-9

Online Help 2-10

CHAPTER

3Installing Cisco Network Assistant 3-1

Installing Network Assistant 3-1

Starting Network Assistant 3-1

Connecting to Network Assistant 3-2

Event Notification 3-3

CHAPTER

4Planning and Creating Communities 4-1

Planning a Community 4-1

Candidate and Member Characteristics 4-1

Community Device Limit 4-2

Automatic Discovery of Candidates and Members 4-2

Community Names 4-2

Contents

Getting Started with Cisco Network Assistant

OL-6194-07

Hostnames 4-2

Passwords 4-3

Communication Protocols 4-3

Community Information 4-3

Creating a Community 4-3

Discovering and Adding Devices 4-3

Manually Adding Members 4-4

Converting a Cluster to a Community 4-4

Verifying a Community 4-4

APPENDIX

AConfiguring a Catalyst 4500 Series Switch for Network Assistant Management A-1

Network Assistant-Related Features and Their Defaults A-1

Configuring Your Switch for Network Assistant A-2

Minimum Configuration to Access Catalyst 4500 from Network Assistant A-2

Additional Configuration Required to Manage a Community A-3

Additional Configuration Required to Manage a Cluster A-3

NDEX

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OL-6194-07

Preface

Audience

This guide is for system administrators, network managers, and other users who want to manage standalone

network devices and device groups through a GUI. It presents Cisco Network Assistant, known as Network

Assistant, as a solution.

Purpose

The purpose of this guide is to give users information to start using Network Assistant. It consists of

these chapters:

• Introduction—What Network Assistant is and what it does.

• Network Assistant Features—How to use Network Assistant to manage devices and networks.

• Installing Network Assistant—How to install Network Assistant on your workstation, start it, and

connect it to a network device.

• Planning and Creating Communities—The concepts and procedures for planning and creating

communities by using Network Assistant. The concept of clusters is supported for backward

compatibility.

Obtaining Documentation and Submitting a Service Request

For information on obtaining documentation, submitting a service request, and gathering additional

information, see the monthly What’s New in Cisco Product Documentation, which also lists all new and

revised Cisco technical documentation, at:

http://www.cisco.com/en/US/docs/general/whatsnew/whatsnew.html

Subscribe to the What’s New in Cisco Product Documentation as a Really Simple Syndication (RSS) feed

and set content to be delivered directly to your desktop using a reader application. The RSS feeds are a free

service and Cisco currently supports RSS Vers io n 2.0.

Getting Started with Cisco Network Assistant

OL-6194-07

CHAPTER

1-1

Getting Started with Cisco Network Assistant

OL-6194-07

What Is Network Assistant?

Network Assistant is an application that you can use to manage standalone devices and device

groups—communities and clusters—from anywhere in your intranet. You can perform multiple

configuration tasks without using command-line interface (CLI) commands. You can also apply actions

to multiple devices and ports at the same time for VLAN and quality of service (QoS) settings, inventory

and statistics reports, link and device monitoring, software upgrades, and many other networking

features.

Network Assistant graphical user interface (GUI) provides these views:

• Topology view—shows devices that are in a community, a cluster, or that are eligible to join the

community or cluster, link information between devices, and other connected clusters.

• Front-panel view—allows you to monitor the real-time status of the devices and perform many

configuration tasks. The devices and port LEDs in the view look like the physical devices and the

port LEDs.

A community is a device group that can contain up to 40 connected network devices. Network Assistant

uses the Cisco Discovery Protocol (CDP) automatic discovery capability to find eligible network devices

and to add them to a community. When a network device is added to a community, it becomes a member

device. Network Assistant manages, configures, and monitors each member on an individual basis. Each

member must have an IP address assigned to it.

Most Cisco network devices that have IP addresses, such as routers, switches, and access points, can

belong to a community. For a specific list of network devices, see the release notes. For information on

community limitations, see the “Community Device Limit” section on page 4-2.

You can create a community to manage Cisco cluster-capable devices as well as noncluster-capable

devices in the same logical group, regardless of their physical locations and the software installed on the

devices.With Network Assistant you can create, modify, delete, and manage multiple communities.

A cluster is a device group that can contain up to 16 connected network devices, but they have to be

cluster-capable Catalyst devices. The devices belong exclusively to one cluster; they do not participate

in other clusters. You assign an IP address to a device that will become the command device. The IP

address of the command device is the single point of access that Network Assistant uses to configure,

manage, and monitor the command device and the member devices.

A community offers these benefits that a cluster does not:

• Communities can manage routers, access points, and switches. Clusters can only manage switches.

• The device limit for communities is 40, but the device limit for clusters is 16.

• Network Assistant can communicate securely with every member in a community. In a cluster,

Network Assistant communicates with member devices through the command device, but the

communication is secure only between Network Assistant and the command device. It is not secure

from the command device to member devices.

1-2

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Chapter 1 What Is Network Assistant?

• If a community member fails, Network Assistant can continue to manage the other members. If a

cluster command device fails, Network Assistant cannot manage the other members of the cluster

unless a cluster standby device has been configured.

• Communities have fewer restrictions than clusters about where members are located and how they

are connected to each other. For more information on cluster member restrictions, see the online

help.

• If candidate devices do not have CDP enabled, you can still create a community and manually add

the devices. Clusters cannot be created unless CDP is enabled on all the candidate devices.

Network Assistant features include front panel and topology views of device groups. See Chapter 2,

“Network Assistant Features,” for more information.

For information on setting up communities, see Chapter 4, “Planning and Creating Communities.”

For information on setting up device clusters, see Chapter 4, “Planning and Creating Clusters” of the

Getting Started with Cisco Network Assistant document, version 1.0.

CHAPTER

2-1

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Network Assistant Features

Network Assistant simplifies the management of communities or clusters by offering a GUI, alternative

modes for configuring network devices, two levels of access, and comprehensive online help. Figure 2-1

shows the main features of the GUI.

Figure 2-1 Network Assistant GUI

These sections describe the Network Assistant features:

• Front Panel View, page 2-2

• Topology View, page 2-3

1Toolbar 3Topology view

2Feature bar 4Front Panel view

200761

2-2

Getting Started with Cisco Network Assistant

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Chapter 2 Network Assistant Features

Front Panel View

• Menu Bar, Toolbar, and Feature Bar, page 2-4

• Network Assistant Modes, page 2-8

• Wizards, page 2-9

• Smartports, page 2-9

• Privilege Levels, page 2-9

• Updates for Network Assistant, page 2-9

• Online Help, page 2-10

Front Panel View

When Network Assistant connects to a community or a cluster, you can display the Front Panel view of

your device by clicking the Front Panel on the toolbar or by choosing Monitor > View > Front Panel

on the feature bar. If the device belongs to a community, you see all of the devices that were selected the

last time that the front panel view appeared for that community. If the device is a cluster, you see the

cluster members that were selected the last time that the view was displayed.

By using the Front Panel view, you can

• Drag and re-arrange the devices that appear.

• Select and configure the devices.

• Right-click a port and configure it.

• Select multiple ports, on the same device or on different devices, and configure the ports at the same

time.

Figure 2-2 shows a community with these members: Catalyst 4948, 3750, 3560, 3550, 2960, 2955, and

2950 switches and a Catalyst Express 500 switch.

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