HP 3Com Network Director User Manual

3Com® Network Director User Guide

3C15500
http://www.3com.com/
Part No. DUA1550-0AAA01
Published May 2004
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CONTENTS

ABOUT THIS GUIDE
Conventions 32 Feedback about this User Guide 33 Related Documentation 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 To ol s 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
Examples 88
Finding the Product Version 88 Finding the Serial Number, License Number and Activation Key 89
Key Considerations 90
Scheduled Tasks 90
®
Director Menu Option 88
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 108
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
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 195 Finding Devices 195 Finding Links 197 Finding NBX Telephony Components 198
Modifying the Map Layout 200
Manually Modifying the Map Contents 202 Adding Items to the Map 202 Linking Items in the Map 204
Keeping the Map Up-to-date 205 Dynamic Network Login Support 205 Saving and Opening Maps 206 Exporting Maps to Microsoft“ Visio“ 208
209 Printing the Map 210 Background Images 210
Examples 212
Selecting all of the SuperStack 3 Switch 4400 Devices in the Network 212
Viewing all of the Physical Connections for a Router 215 Focusing in on a Set of Devices in the Map 217
Adding a Link between Map Items from Different Submaps 220 Adding a New Device on Your Network Into the Map 221
Useful Information and References 225
Graphical Support for Specific Device Types 225
NBX Network Telephony Solution 225 3Com Switch 4007 225 3Com Wireless Access Points 225 Files Associated with Saved Maps 226
Network Login 227
6 VIEWING DEVICE DETAILS
Overview 229 Key Concepts 230
Items Supported by the Properties Dialog Box 230
Components 230
Launching the Properties Dialog Box 230 Structure of the Properties Dialog Box 231
The Tabbed Pane 231
The Device Tree 233 Properties Dialog Box for a Node 236 Properties Dialog Box for a Supported Device 237 Supported Device (Stack or Chassis) 238 Supported Device (Single Unit) 239 Properties Dialog Box for an Unsupported Device 240 Properties Dialog Box for an End-Station 241 Properties Dialog Box for a Phone 242 Properties Dialog Box for a Subnet 244 Properties Dialog Box for a Device Group 245 Properties Dialog Box for a Cloud 245 Properties Dialog Box for a Link 247
Properties Dialog Box for a Non-WAN Link 247 Properties Dialog Box for a WAN Link 249 Properties Dialog Box for a Layer-3 Connection 250 Properties Dialog Box for a Multiple Selection 251 Applying Changes to Devices Using the Properties Dialog Box 254
This section describes how you can apply changes to items with the
Properties dialog box. 254
Changing the Custom Name 254 Setting the IP Address for a Manually Added Device 255
Setting the Port Numbers for a Manually Added Link 257 Changing the Community Strings for a Device 258 Changing the Monitoring Settings 261 Changing the Retry and Timeout Settings for a Device or Subnet 262 Changing the Discovery Options for a Subnet 263
Examples 264 Key Considerations 269
Troubleshooting 269
7 MONITORING THE NETWORK
Overview 273 Key Concepts 273
Monitor 273 Monitoring and Event Generation 274 Monitoring State 274
Monitoring State and the Grouped View 276 Monitoring Techniques 276
IP Ping Monitoring 277
SNMP MIB Data Retrieval 277
Service Polling 278
SNMP Trap Receipt 278 Monitor-able Items 279
Monitoring Non-3Com Devices 279 Link Monitoring 279
Components 280
Live Graphs Window 280
Poll Rates 281 Live Graphs Tree 281 Live Graphs Display 282
Displaying Thresholds 283
Live Graphs Toolbar 284 Live Graphs Menu 285 More Detail Dialog Box 286 Detailed Graph Dialog Box 287
Viewing a Monitor’s Component Values 288
Showing Thresholds 289 Showing Plot Points 290 Exporting a Graph 290 Zooming into a Graph 291 Poll Rates 293
Configuration 293
Starting and Stopping Monitoring 293
Disabling and Enabling Individual Monitors 294
Controlling Monitoring Type and Polling Rates 296
Monitoring Mode 296 Poll Rate 298 Specifying Monitoring Mode and Poll Rates at the Whole Map
Level 298 Specifying Monitoring Mode and Poll Rates at the Subnet Level 300 Specifying Monitoring Mode and Poll Rates at the Device Level 301
Specifying Monitoring Mode in the Discovery Wizard 302 Changing Retry Periods and Timeouts 304 Controlling Event Generation from Monitors 304 Registering 3Com Network Director as an SNMP Trap Destination 304 Configuring the Storage of Monitoring Data 306
Examples 308
Enabling Monitoring on the Core Devices in the Map 308 Disabling Monitoring on the Whole Network 308 Configuring Monitoring for a Remote Office 309 Extending the Length of Maintained Monitor History 313
Key Considerations 314
Monitoring and Logged Data 314 Text Displayed in Graphs 314 Problems Starting Monitoring for a Device or Link 315
8 THE EVENT LOG
Overview 319 Key Concepts 319
Events 319
Event Types 320
Monitor-Based Events 320
SNMP Trap-Based Events 321
3Com Network Director Internal Events 321
Event Severities 321
Information Severity 321 Warning Severity 322 High Severity Events 322 Critical Severity 322 Recurring Severity 322
Event Severity Colors 323 Event Resolution 323 Smart Event Analysis 324
Event Correlation 324
Recurring Event Handling 324
Event Suppression 325
SNMP Trap Filtering 325 Alerts 325
Events List Components 326
Launching the Events Window 326 Events Main Window 327
Events List 327
Events Toolbar 329
Events Menu 329
Status Bars 331 Working With Events 332
Navigating to Event Sources in the Map 332
Commenting on Events 333
Manually Resolving Events 334
Deleting Events 335 Refreshing the Events List 336 Exporting the Events List to a CSV Format File 337 Printing the Events List 338 Find Dialog Box 338 Filter Dialog Box 339
Name Filter 340
Show only voice related events Filter 341
Severity Filter 341
Last number of days Filter 342
Resolved Filter 342
Deleted Events Filter 343
Description Filter 343 Comment Filter 343 Filter Status Bar 343
More Detail Dialog Box 344
Event Tab 345 Graphs Tab 346 Trap Decode Tab 348
Event System Configuration 349
Disabling and Enabling Events 349
Disabled Events Dialog Box 350 Selecting Items 351
Controlling Smart Event Analysis 352
Controlling Global Smart Event Analysis 353 Controlling SNMP Trap Filtering 354 Controlling Per-Event Advanced Settings 355
Setting Thresholds for Monitor-Based Events 356
High and Warning Thresholds 356 Launching the Threshold Settings Dialog Box 356
Threshold Settings Dialog Box 357 Configuring the Storage of Monitoring History for Events 360 Managing Event Ageing 361
Ageing Dialog Box 363
Alert System Components 364
Alerts System Overview 364 Attach Alerts Dialog Box 364
Attaching Alerts to Items 366
Configuring Alerts 366
SNMP Trap Alerts 369
Examples 370
Viewing the Unresolved Events for a Subnet 370 Exporting High Severity Events Generated in the Last Week 371 Undeleting an Event 373 Obtaining Events for Received SNMP Traps 376 Getting Events As Soon As Your Network Has A Problem 377 Receiving Notification When A Server Farm Is Unreachable 378
Key Considerations 382
No Events in the Events List 382
Events List Update Was Stopped 382
Filter Has Excluded All Events 383
No Graph Available for an Event 383
9 PERFORMANCE REPORTING
Overview 385 Key Concepts 385
Automated logging 385 Data resolutions 386 Reporting 386
Components 386
Historical report 386
Link monitors 389 Logging options 390 Database 391
Examples 392
Determining the cause of high errors on a link 392 Predicting demand for bandwidth requirements 392 Web server analysis 393
Useful Information and References 395
RRDTool 395 Mapping file format 395
Devices 395
Links between switches/hubs 395
Links between a switch/hub and an end station/cloud 395 Database file format 396 Database management 398
Key Considerations 399
Troubleshooting 399
Mapping file not updating 399
Changing the logging data directory 399
Missing data within RRD database files 400
Empty historical report states 3Com Network Director cannot monitor
device/link 400
10 RMON
Introduction 403 Key Concepts 404
What is RMON 404
Statistics 404 History 404 Host 405 HostTopN 405 Matrix 406
HC-RMON 406
Components 407
3Com support for RMON 407
The RMONView window 407 The Menu bar 408
414 The Toolbar 414 The Table View 416
416 The Graph View 417 Viewing data from the RMON Statistics group 417 Viewing RMON Statistics data for a selected device 417 3Com Switch 4007 418 Viewing data from the RMON History group 423 Viewing RMON History data for a selected device 423 3Com Switch 4007 424 Viewing RMON history data for a selected link 425 History View dialog box 427 History Entries 429 Viewing data from the RMON Host group 431 Viewing RMON Host data for a selected device 431 3Com Switch 4007 432 Viewing RMON host data for a selected link 433 Host View dialog box 436 Viewing data from the RMON Matrix group 440 Viewing RMON Matrix data for a selected device 440 Stations 446 Matrix Flow 446 Managing RMON tables 447 Deletion of RMON Tables 448
Examples 450
How do I graph errors on my core switch links? 450
How do I graph utilization on a specific VLAN? 451 How do I view the data associated with an aggregated link? 451
Useful Information And References 452
RMON 452
RMON Support on individual 3Com devices 452 RMON Limits on individual devices (for table creation) 452
Key Considerations 452
11 CREATING REPORTS
Overview 453 Key Concepts 454
Selection-sensitive 454 Feature Reports Types 454 Device Report History - Restriction 455 Custom Report Types 455 Reports History 455 Export to CSV 456
Components 456
Inventory Report 456 Capacity Report 457 Topology Report 457 Free ports Report 457 Reports Dialog Box 458
Generate Report Tab 459
History Tab 460 Custom Report Types Dialog Box 462 Add/Edit Report Type Wizard 463
Columns Step 463
Name and Description Step 467
Summary Step 467
Examples 468
Assessing Network Expansion Capability 468 Ensuring Stacks are Running the Same Agent Version 469
Key Considerations 470
Report Information Out-of-Date 470 Disk Usage 470 Generate Report not Working 471
12 CONFIGURING SINGLE DEVICES
Overview 473 Key Concepts 474
Web Management 474 Telnet Management 474 SSH Management 474 Administration Menu 474
3Com Device View 475 3Com Switch Manager 475 3Com Router Manager 475
Network Jack Configuration Manager 475 IP Ping 475 Trace Route 476 Properties Dialog Box 478
General 478
Security 479
Unit Information 480
VLANs 481 Registering Devices for Warranty 483
Components 483
Device Warranty Dialog Box 483 Device Warranty Wizard 484
Introduction Step 484
Contact Details Step 485
Partner/Reseller Details Step 486
Device Selection Step 488
Summary Step 489 Connection to the 3Com Server 490 What Data is Sent to the 3Com server 490 Reports 491
Web Management 491
Device Warranty 491
Examples 493
Renaming a Switch 4007 using Telnet 493 Disabling a Port on a Switch 4400 using the Web Interface 493 Viewing Connected Ports using Device View 494 Registering 3Com Devices for Warranty 494
Key Considerations 496
Troubleshooting 496
The Device Warranty dialog box is not displayed after a Network Discovery 496
3Com Network Director lists some devices as unregistered, although you have already registered them on the 3Com website 496
Frequently Asked Questions 497
Why are some registered devices missing from the email? 497 Why is there no warranty associated with some of the devices in the
email? 497
13 VLAN MANAGEMENT
Overview 499
Viewing the VLANs configured on your network 499 Configuring VLANs on your network 499
Key Concepts 500
General VLAN concepts 500
About VLANs 500 Benefits of VLANs 501
802.1Q VLANs 502 Port-based VLANs 502 Tagged and untagged VLAN membership 503
The Default VLAN 504
Communication between VLANs 504
3Com Network Director VLAN Concepts 508
Discovering VLANs in 3Com Network Director 508 VLAN membership inference 509
Components 514
Show VLANs 514 Filter View button 516 Interaction with Trace Path 516 Maps with no VLAN information 517 VLAN names 517 Find Dialog Box 520 Options Dialog Box 521 VLAN membership 523
Properties dialog box 524
VLANs tab for VLAN-aware switches 524
VLANs tab for VLAN-unaware devices 530
VLAN configuration report 533
Misconfigurations and Optimizations Report 534
Inconsistent VLAN configuration on link 535
Inconsistent VLAN naming 535
Changes Report 536
Trace Path 537
Create VLAN wizard 537
Launching the wizard 537
Checking VLAN connectivity 543
Adding an IP routing interface 547
Summary of changes to be made 550
Edit Port VLAN Membership wizard 552
Launching the wizard 552
Modifying the list of selected switches and ports 553
Checking VLAN connectivity 558
Configuring unsupported devices 558
Summary of changes to be made 559
Device History Report 561 Examples 561
Finding all switches on which a particular VLAN is configured 561
Reporting the VLAN configuration of all switches on the
network 562
Moving a port to another VLAN 562
Extending your VLANs to include new inter-switch links 565
Creating a new Voice VLAN for 3Com NBX systems 568
Useful Information and References 569
Standards, Protocols, and Related Reading 569 Device support 569
Key Considerations 570
Guidelines for creating/editing a VLAN 570 Troubleshooting 570
Incorrect VLAN membership inference 570 VLAN-related network discovery problems 570 Spanning Tree 572 Problems with apparent network loops 572
Reference A 574
Reference B 575
Reference C 576
14 BULK CONFIGURATION
Overview 577 Key Concepts 578
Configuration Templates 578 Device and Port Selections 579
Components 579
Configuration Editor Dialog Box 580
Configuration Summary Tree Features 581 Feature Configuration Panels 582 Loading and Saving Configuration Templates 584
Selection Editor Dialog Box 584
Editing Device and Port Selections 585
Loading and Saving Device and Port Selections 588 Applying a Configuration Template to a Device or Port Selection 589 Configuration Summary Report 591 Device Configuration Panels 592
Configuring User Accounts 592
Add User Account Dialog Box 595
Edit User Account Dialog Box 595
Configuring Access Rights 596
Configuring Trusted IP Hosts 596
Add Trusted IP Address Dialog Box 598
Configuring the Device as a RADIUS Client 599
Configuring System Information 600
Configuring Trap Destinations 601
Add Trap Destination Dialog Box 603
Configuring Spanning Tree 603
Configuring IGMP 605
Configuring Broadcast Storm Control 605 Port Configuration Panels 606
Configuring Port Security 606
Configuring Spanning Tree 608
Configuring Port Administration 608
Configuring Autonegotiation 609
Configuring LACP 611
Examples 612
Configuring User Accounts 612 Configuring Network Login 615
Useful Information and References 619
Supported Devices 619 Supported Features by Device Family 619
Key Considerations 621
Potential Hazards when using Bulk Configuration 621
15 PRIORITIZING NETWORK TRAFFIC
Overview 623 Key Concepts 624
Classification 624 Marking 625 Queuing 627 Dropping 629 Service Levels 629 Configuring the Network for End-to-end Traffic Prioritization 630
Components 631
Prioritize Network Traffic Wizard 631
Configuration Type Step 632 NBX Step 633 Servers Step 635 Applications Step 636 Application Field Values 637 Finish Step and Progress 638
Prioritization Reports 638
Agent Upgrades Required for Prioritization report 638 Network Prioritization Report 639 Prioritization Configuration Report 639
Examples 640
Applying an Existing Configuration to New Devices 640 Prioritizing NBX Voice Traffic 641 Prioritizing Traffic To and From a SAP Server 642 Blocking Access to a Streaming Audio Server 644 Prioritizing a Video Conferencing Application 645 Restricting Access to SNMP 648
Useful Information and References 652
User Priority Field 652 DiffServ Codepoint Field 653 Determining Field Values for Applications 654 3Com Network Director Classifier Rules for NBX Phone Traffic 654 3Com Network Director Service Levels 655 Configuration Levels for Supported 3Com Devices 655
Key Considerations 657
Resource Warnings 657 Why Errors Can Occur When Adding a Server 659 Potential Hazards When Blocking Traffic To and From Servers 659 Servers That Cannot be Selected for Blocking 660 Potential Hazards of Blocking Application Traffic 661 Potential Hazards of Blocking SNMP, HTTP and Telnet 662
16 UPGRADING DEVICE SOFTWARE
Overview 663 Key Concepts 664
Agent Image Files 664 The Internal TFTP Server 664 Scheduling 664
Components 665
Agent Update Wizard 665
Introduction Step 665
Update Type Step 666
Specify Devices and Agent Versions Step 667
Change Agent Version Step 669
Scheduling Step 670
Summary Step 671
The Progress Dialog Box 672 Agent Update Events 673 Agent Update Reports 673
Agent Update Summary report 673
Agent Audit report 674
Examples 674
Update all Switch 4400’s with a New Agent 674 Detecting and Downgrading a Problem Device 675
Useful Information and References 676
Supported Devices 676 Agent Image Filenames 676
Key Considerations 677
Co-existence With Other TFTP Servers 677 Considerations When Downgrading Devices 677 Troubleshooting Device Problems Following Agent Update 677 Repeated Timeouts 678
17 USING 3COM NETWORK DIRECTOR ON A MULTI-SITE
N
ETWORK
Overview 681 Key Concepts 681
Multi-Site Networks 681
Local and Remote Sites 681 Issues with Managing a Multi-Site Network 682
3Com Network Director Support for Multi-Site Networks 682
Configurable Timeouts 683 Configurable Retries 684 Configurable Poll Rates for Active Monitoring 685 Configurable Monitoring Modes 685 Configurable Discovery Options 686 Configurable Monitor Thresholds 686
Components 687
Automatic WAN Link Discovery 687 Manual Layout of WAN Topology 688
Connecting Point-to-Point WAN Interfaces Together 688 Grouping Logically Connected WAN Interfaces Together 689 Restoring WAN Interface Representations after a Manual Layout of
WAN Topology 691 Manual Layout of WAN Topology and Rediscovery 692
Monitoring WAN links 692
Configuring WAN Link Monitors 693 Disabling Monitors on WAN Links 694
Configuration 694
Configuring Retries and Timeout Periods 694
Specifying Retries and Timeout Periods at the Whole Map Level 695
Specifying Retries and Timeout Periods at the Subnet Level 697
Specifying Retries and Timeout Periods at the Device Level 699
Specifying Retries and Timeout Periods in the Network Discovery
Wizard 700
Determining Appropriate Retry and Timeout Periods 701
Issues and Techniques when Configuring the Retry/Timeout
Hierarchy 704 Configuring Monitoring Modes and Poll Rates 705
Determining Monitoring Modes and Poll Rates 706
Issues and Techniques when Configuring Monitoring Modes and Poll
Rates 709 Configuring Discovery 710
Configuring Discovery Options in Multi-Site Networks 710
Scheduling Discoveries in Multi-Site Networks 713 Configuring Monitor Thresholds 714
Examples 715
Grouping Frame Relay Interfaces Together 715 Discovering a Remote Site 727 Configuring Service Monitoring Thresholds Using Historical
Reports 742
Useful Information and References 748
Supported WAN Interface Types 748
Key Considerations 750
Problems with Discovering Remote Sites 750 Problems with Discovering WAN Routers 751
18 NBX SUPPORT
Overview 753 Key Concepts 754
How 3Com Network Director Discovers the Phone Network 754 How 3Com Network Director Represents the Phone Network Icons 754
NBX Call Processor 755
Line Cards 755
Analog Terminal Adapter and Analog Terminal Card 756
NBX Phones and Attendant Consoles 756
NBX Applications 756 How 3Com Network Director Monitors the Phone Network 756
Components 757
Discovering the NBX Voice Network 757
NBX Voice Network Step 757 NBX Call Processors Step 757
Add NBX Call Processor/Modify NBX Call Processor 759 Properties dialog box 760 Monitoring the Phone Network 761
Monitoring the NBX Call Processor 761
Monitoring a Phone 761
Monitoring a Line Card 762 Selecting the Phones Associated with an NBX Call Processor 762 Finding out Which NBX Call Processor is Associated with a Phone 764 Understanding Voice-related 3Com Network Director Events 765
Events related to the NBX Call Processor 765
Events related to phones 766
Events related to other links or devices on the network 766 Launching NetSet 766
Launching NetSet for the NBX Call Processor 766
Launching NetSet for a phone or line card 767
Examples 768
Discovering Several NBX Call Processors Simultaneously 768 Receiving an Alert when my Phones Stop Working 768
Useful Information and References 769
NBX system 769 NBX Call Processor 770 NBX NetSet 770
Key Considerations 770
Troubleshooting 770
There is no NBX Call Processor associated with my phone 770
The phone was added manually 771
The phone is not managed by the NBX Call Processor anymore 771
The display of end stations in the map has been disabled 771
The wrong username/password was specified for the NBX Call
Processor 772
There is a problem with the HTTP service for the NBX Call
Processor 773
The NBX Call Processor stopped responding during the network
discovery 773 Frequently Asked Questions 774
Why are there a lot of unconnected phones on the map? 774 The phone was removed from the network 774 The phone cannot be reached 775 The network device the phone is connected to has not been
discovered 775 Why are some phones on the map showing the user name, while
others show the extension number? 775 How do I change the label of a phone or line card? 776
19 BACKING UP DEVICE CONFIGURATIONS
Overview 777 Key Concepts 778
Physical Identification of Devices 778 Physical Configuration of Devices 778
Backup Components 779
Device Backup Wizard 779
Backup Type Step 779 Specify Devices to Backup Step 781 Specify Telnet Login Information Step 781 Backup Identification Step 782 Scheduling Step 783
Summary Step and Progress 784 Device Backup Events 784 Device Backup Reports 785
Backup Summary Report 785
Backup Audit Report 786 Backup Files 786
Restore Components 787
Device Restore Wizard 787
No Backups Found Step 787
Specify Device Being Replaced Step 788
Specify Backup to Use Step 789
Specify Telnet Login Information Step 790
Summary Step and Progress 791 Device Restore Event 792 Restore Summary Report 792
Setup Components 792
Device Setup Wizard 792
Configuration Source Type Step 793 Specify Source Device Step 793 Specify Source Backup Step 794 Specify Devices to Setup Step 795
Summary Step and Progress 796 Device Setup Event 798 Setup Summary Report 798
Examples 799
Scheduling a Device Backup Operation 799 Restoring to a Replacement Device 801 Deploying a Group of Devices 802
Useful Information and References 805
Supported 3Com Devices 805 Supported Device Parameters 806 Understanding Backup Files 807 Managing Backup Files 807
Key Considerations 808
How Backup Files are Discarded 808 Potential Hazards when using Restore and Setup 809 Why Errors can Occur during Restore and Setup 809
20 LIVE UPDATE
Overview 811 Key Concepts 812
Connection Type 812 Service Packs 812 Live Update Engine 812
Components 813
Live Update Setup Wizard 813
Connection Type Step 813
Use Custom Settings Step 814
Summary Step 815 Live Update Select File Groups Dialog Box 817
Status 818
Table of Available Updates 819
File Group Details 820 Select File Group - Group Name 820
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