3Com® Network Director User Guide 3C15500 http://www.3com.com/ Part No. DUA1550-0AAA01 Published May 2004 3Com Corporation 350 Campus Drive Marlborough MA USA 01752-3064 Copyright © 2004, 3Com Technologies. All rights reserved. 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Some portions of the SUN J2RE software licensed from IBM are available at http://oss.software.ibm.com/icu4j/ AdventNet Java SNMP Package Version 1.3.2 Copyright (c) 1998-99 AdventNet, Inc. All Rights Reserved. Portions of this software were derived from the CMP SNMP 1.2U distribution and the following notice applies to the CMU software. Copyright 1989 by Carnegie Mellon University. All Rights Reserved. Permission to use, copy, modify, and distribute this CMU software and its documentation for any purpose and without fee is hereby granted, provided that the above copyright notice appear in all copies and that both that copyright notice and this permission notice appear in supporting documentation, and that the name of CMU not be used in advertising or publicity pertaining to distribution of the software without specific, written prior permission. Graphics Server 4 for Microsoft Windows Copyright (c) 1989 - 1996 Bits Per Second Ltd. PuTTY is copyright 1997-2003 Simon Tatham. 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CONTENTS ABOUT THIS GUIDE Conventions 32 Feedback about this User Guide Related Documentation 33 33 1 GETTING STARTED Introduction 35 What is 3Com Network Director 35 On the CD 35 Installation 36 Activation 36 Getting Started 37 Creating a New Network Map 38 Discovery Type Step 38 Specify Subnets Step 38 Monitor Core Devices and Links Step 38 Community Strings Step 38 NBX Voice Network Step 38 NBX Call Processors Step 38 Discovery Options Step 39 Scheduled Discovery Step 39 Summary Step 39 Upgrading from 3Com Network Supervisor 39 Coexistence with 3Com Network Director 39 Using saved Network Supervisor maps 40 Using saved 3Com Network Supervisor files 41 The Device Warranty feature 41 Main Features 42 Main Window 42 Network Discovery 42 Network Monitoring 42 The Event System 43 Reports on Historical Data 43 RMON Support 43 VLAN Support 43 Bulk Configuration 44 Backup, Restore and Setup 44 Agent Update 44 Traffic Prioritization 44 Reporting 45 Device Administration 45 Live Update 45 2 PRODUCT ACTIVATION Introduction 47 Key Concepts 48 Components 48 About Dialog 48 Activation Wizard 49 Obtaining Product Upgrades 51 US, Canada and Latin America 52 Outside US, Canada and Latin America 52 Examples 52 Activating 3Com Network Director 52 Useful Information and References 53 Where can I find the product number for 3Com Network Director? 53 Where can I find the serial number for 3Com Network Director? 53 Where can I find the license key for 3Com Network Director? 53 What product number is right for me? 54 Key Considerations 54 What if I lose my Activation Key after registration? 54 How do I move my copy of 3Com Network Director to another workstation? 54 If I re-install the product after it has been activated, do I need to activate it again? 55 My copy of 3Com Network Director no longer runs, even though it has been activated. 55 Why can't I log in to the 3Com support web site? 55 I want to install my upgrade from 3Com Network Supervisor Advanced Package v2.0 to 3Com Network Director on a different workstation. 55 I want to upgrade my copy of 3Com Network Supervisor Advanced Package v2.0 to 3Com Network Director v1.0 56 Troubleshooting 58 My license key to upgrade from 3Com Network Supervisor Advanced Package v2.0 is rejected 58 3 MAIN WINDOW Overview 61 Key Concepts 62 Map Files 62 Components 63 Map 63 Tree 63 Toolbar 63 Status Bar 63 Main Menu 64 File 64 Edit 65 View 66 Device 69 Monitoring 70 Alerts/Events 71 RMON 71 Tools 72 Help 73 File > Lock Menu Option 73 File > Exit Menu Option 74 View > Show Toolbar Menu Option 74 Tools > Scheduled Tasks Menu Option 74 Tools > Options Menu Option 76 General 77 Device Management 78 Internet 80 Discovery 81 Monitoring 81 Logging 82 VLANs 84 Retry/Timeout 84 Security 85 Help > Contents and Index Menu Option 87 Help > Launch User Guide 87 Help > About 3Com® Director Menu Option 88 Examples 88 Finding the Product Version 88 Finding the Serial Number, License Number and Activation Key Key Considerations 90 Scheduled Tasks 90 89 4 DISCOVERING THE NETWORK Overview 91 Key Concepts 92 The Discovery Process ­ Detecting Devices 92 IP Ping 93 Device Capability Detection 93 SNMP Type Detection 94 IP to MAC Resolution 94 End Station Type Recognition 94 Web Type Recognition 95 DNS Name Resolution 95 NBX Phone Detection 95 Device Sizing 96 The Discovery Process ­ Determining Topology 96 Sizing stage 97 Spanning Tree stage 98 Remote Poll Stage (broadcast ARP) 98 Initial Endstation stage 99 Device Resolution Stage 99 Remote Poll Stage (directed pings) 99 Outstanding end station stage 100 Tree Building Stage 100 Clouds ­ Unknown Topology 100 Other Clouds 103 The Discovery Process ­ Rediscovery 104 Scheduled Discoveries 106 Components 106 Launching a discovery 106 The Welcome dialog box 107 File > New 107 Tools > Network Discovery with nothing selected 108 Tools > Network Discovery with a discovered subnet selected Tools > Network Discovery with an undiscovered subnet selected 109 The Network Discovery Wizard 109 Discovery Type Pane 110 Specify Subnets Pane 111 Editing subnets in the list 114 Removing subnets from the list 114 Choosing from a list of known subnets 114 Importing subnets from a file 116 Monitor Core Devices and Links Pane 117 Community Strings Pane 118 NBX Voice Network Pane 120 NBX Call Processors Pane 120 Discovery Options Pane 122 Scheduled Discovery Pane 124 Summary Pane 126 The Network Discovery Progress Dialog Box 128 Network Discovery Summary dialog box 130 The Discovery Report 131 Discovery 132 Topology 132 The Misconfigurations and Optimizations Report 132 The Changes Report 133 The Displayed Map 133 Initial Map Creation 133 Subsequent Map Updates 134 Examples 134 How do I discover my network every day at midnight? 134 Directly From the Options dialog box 134 108 I have four separate subnets - how do I specify them? 137 One of my subnets is over a slow WAN link - can I discover it, and if so, what settings should I use? 138 I am using different SNMP community strings for different devices on my network - how do I specify this? 139 Useful Information and References 140 Why the discovered map may not exactly reflect the network 140 Some devices haven't appeared 140 Some devices are the wrong type 141 There are clouds in my map 141 Support for 3Com devices 142 Support for third party devices 142 Key Considerations 143 Discovering over slow/expensive links 143 Discovery Report Errors and Warnings 144 Discovery Section 144 Topology Section 146 5 WORKING WITH THE MAP Overview 151 Key Concepts 152 The Map 152 The Tree 154 Components 156 Map Structure 156 The Grouped Network View 156 The Ungrouped Network View 158 Devices 158 Device Icons 158 Pull-Right Menu for Devices 161 Physical Links 163 Unvalidated Links 164 Physical Link Annotations 164 Spanning Tree Protocol Support 165 Pull-Right Menu for Physical Links 165 Layer-3 Connections 166 167 Clouds 167 Pull-Right Menu for Clouds 169 Subnets 169 Device Groups 172 Tooltips 174 Map Item Labels and Address Translation 175 Navigation 182 Panning 182 Zoom in 182 Zoom out 183 Fit to page 183 Shortcut Symbols 186 Navigating Around the Map Using the Tree 187 Viewing the VLANs on Your Network 188 Trace Path 188 Using The Trace Path Wizard 191 Finding Items on Your Network 192 Using Wildcards to Find Partial Matches 193 Searching Within the Search Results 194 Using the Find Dialog Box to Select Items for Operations Finding Devices 19 ...