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Manuals and User Guides for 3Com NETWORK DIRECTOR. We have
1
3Com NETWORK DIRECTOR manual available for free PDF download: User Manual
3Com NETWORK DIRECTOR User Manual (924 pages)
PC
Brand:
3Com
| Category:
Software
| Size: 11 MB
Table of Contents
User Guide
1
Table of Contents
5
About this Guide
35
Conventions
36
Feedback about this User Guide
37
Related Documentation
37
Etting Started
39
Getting
39
Introduction
39
What Is 3Com Network Director
39
On the CD
39
Installation
40
Activation
40
Getting Started
41
Creating a New Network Map
42
Community Strings Step
42
Discovery Type Step
42
Monitor Core Devices and Links Step
42
NBX Call Processors Step
42
NBX Voice Network Step
42
Specify Subnets Step
42
Discovery Options Step
43
Scheduled Discovery Step
43
Summary Step
43
Upgrading from 3Com Network Supervisor
43
Coexistence with 3Com Network Director
43
Using Saved Network Supervisor Maps
44
The Device Warranty Feature
45
Using Saved 3Com Network Supervisor Files
45
Main Features
46
Main Window
46
Network Discovery
46
Network Monitoring
46
The Event System
47
Reports on Historical Data
47
RMON Support
47
VLAN Support
47
Bulk Configuration
48
Backup, Restore and Setup
48
Agent Update
48
Traffic Prioritization
48
Reporting
49
Device Administration
49
Live Update
49
Product Activation
51
Introduction
51
Key Concepts
52
Components
52
About Dialog
52
Activation Wizard
53
Obtaining Product Upgrades
55
Outside US, Canada and Latin America
56
US, Canada and Latin America
56
Examples
56
Activating 3Com Network Director
56
Useful Information and References
57
Where Can I Find the Product Number for 3Com Network Director
57
Where Can I Find the Serial Number for 3Com Network Director
57
Where Can I Find the License Key for 3Com Network Director
57
What Product Number Is Right for Me
58
Key Considerations
58
What if I Lose My Activation Key after Registration
58
How Do I Move My Copy of 3Com Network Director to Another Workstation
58
If I Re-Install the Product after It Has Been Activated, Do I Need to Activate It Again
59
My Copy of 3Com Network Director no Longer Runs, Even Though It Has Been Activated
59
Why Can't I Log in to the 3Com Support Web Site
59
I Want to Install My Upgrade from 3Com Network Supervisor Advanced Package V2.0 to 3Com Network Director on a Different Workstation
59
I Want to Upgrade My Copy of 3Com Network Supervisor Advanced Package V2.0 to 3Com Network Director V1.0
60
Troubleshooting
62
My License Key to Upgrade from 3Com Network Supervisor Advanced Package V2.0 Is Rejected
62
Main Window
65
Overview
65
Key Concepts
66
Map Files
66
Components
67
Map
67
Tree
67
Toolbar
67
Status Bar
67
Main Menu
68
File
68
Edit
69
View
70
Device
73
Monitoring
74
Alerts/Events
75
Rmon
75
Tools
76
Help
77
File > Lock Menu Option
77
File > Exit Menu Option
78
View > Show Toolbar Menu Option
78
Tools > Scheduled Tasks Menu Option
78
Tools Options Menu Option
80
General
81
Device Management
82
Internet
84
Discovery
85
Monitoring
85
Logging
86
Retry/Timeout
88
Vlans
88
Security
89
Help > Contents and Index Menu Option
91
Help > Launch User Guide
91
Help > about 3Com ® Director Menu Option
92
Examples
92
Finding the Product Version
92
Finding the Serial Number, License Number and Activation Key
93
Key Considerations
94
Scheduled Tasks
94
Discovering the Network
95
Overview
95
Key Concepts
96
The Discovery Process - Detecting Devices
96
Device Capability Detection
97
IP Ping
97
End Station Type Recognition
98
IP to MAC Resolution
98
SNMP Type Detection
98
DNS Name Resolution
99
NBX Phone Detection
99
Web Type Recognition
99
Device Sizing
100
The Discovery Process - Determining Topology
100
Sizing Stage
101
Remote Poll Stage (Broadcast ARP)
102
Spanning Tree Stage
102
Device Resolution Stage
103
Initial Endstation Stage
103
Remote Poll Stage (Directed Pings)
103
Clouds - Unknown Topology
104
Outstanding End Station Stage
104
Tree Building Stage
104
Other Clouds
107
The Discovery Process - Rediscovery
108
Scheduled Discoveries
110
Components
110
Launching a Discovery
110
File > New
111
The Welcome Dialog Box
111
Tools > Network Discovery with a Discovered Subnet Selected
112
Tools > Network Discovery with Nothing Selected
112
Tools > Network Discovery with an Undiscovered Subnet Selected
113
The Network Discovery Wizard
113
Discovery Type Pane
114
Specify Subnets Pane
115
Choosing from a List of Known Subnets
118
Editing Subnets in the List
118
Removing Subnets from the List
118
Importing Subnets from a File
120
Monitor Core Devices and Links Pane
121
Community Strings Pane
122
NBX Call Processors Pane
124
NBX Voice Network Pane
124
Discovery Options Pane
126
Scheduled Discovery Pane
128
Summary Pane
130
The Network Discovery Progress Dialog Box
132
Network Discovery Summary Dialog Box
134
The Discovery Report
135
Discovery
136
Topology
136
The Misconfigurations and Optimizations Report
136
The Changes Report
137
The Displayed Map
137
Initial Map Creation
137
Subsequent Map Updates
138
Examples
138
How Do I Discover My Network Every Day at Midnight
138
Directly from the Options Dialog Box
138
I Have Four Separate Subnets - How Do I Specify Them
141
One of My Subnets Is over a Slow WAN Link - Can I Discover It, and if so What Settings Should I Use
142
I am Using Different SNMP Community Strings for Different Devices on My Network - How Do I Specify this
143
Useful Information and References
144
Why the Discovered Map May Not Exactly Reflect the Network
144
Some Devices Haven't Appeared
144
Some Devices Are the Wrong Type
145
There Are Clouds in My Map
145
Support for 3Com Devices
146
Support for Third Party Devices
146
Key Considerations
147
Discovering over Slow/Expensive Links
147
Discovery Report Errors and Warnings
148
Discovery Section
148
Topology Section
150
Working with the Map
155
Overview
155
Key Concepts
156
The Map
156
The Tree
158
Components
160
Map Structure
160
The Grouped Network View
160
The Ungrouped Network View
162
Device Icons
162
Devices
162
Pull-Right Menu for Devices
165
Physical Links
167
Physical Link Annotations
168
Unvalidated Links
168
Pull-Right Menu for Physical Links
169
Spanning Tree Protocol Support
169
Layer-3 Connections
170
Clouds
171
Pull-Right Menu for Clouds
173
Subnets
173
Device Groups
176
Tooltips
178
Map Item Labels and Address Translation
179
Navigation
186
Panning
186
Zoom in
186
Fit to Page
187
Zoom out
187
Shortcut Symbols
190
Navigating Around the Map Using the Tree
191
Trace Path
192
Viewing the Vlans on Your Network
192
Using the Trace Path Wizard
195
Finding Items on Your Network
196
Using Wildcards to Find Partial Matches
197
Searching Within the Search Results
198
Finding Devices
199
Using the Find Dialog Box to Select Items for Operations
199
Finding Links
201
Finding NBX Telephony Components
202
Modifying the Map Layout
204
Adding Items to the Map
206
Manually Modifying the Map Contents
206
Linking Items in the Map
208
Keeping the Map Up-To-Date
209
Dynamic Network Login Support
209
Saving and Opening Maps
210
Exporting Maps to Microsoft Visio
212
Printing the Map
214
Background Images
214
Examples
216
Selecting All of the Superstack 3 Switch 4400 Devices in the Network
216
Viewing All of the Physical Connections for a Router
219
Focusing in on a Set of Devices in the Map
221
Adding a Link between Map Items from Different Submaps
224
Adding a New Device on Your Network into the Map
225
Useful Information and References
229
Graphical Support for Specific Device Types
229
3Com Switch 4007
229
3Com Wireless Access Points
229
NBX Network Telephony Solution
229
Files Associated with Saved Maps
230
Network Login
231
Viewing Device Details
233
Overview
233
Key Concepts
234
Items Supported by the Properties Dialog Box
234
Components
234
Launching the Properties Dialog Box
234
Structure of the Properties Dialog Box
235
The Tabbed Pane
235
The Device Tree
237
Properties Dialog Box for a Node
240
Properties Dialog Box for a Supported Device
241
Supported Device (Stack or Chassis)
242
Supported Device (Single Unit)
243
Properties Dialog Box for an Unsupported Device
244
Properties Dialog Box for an End-Station
245
Properties Dialog Box for a Phone
246
Properties Dialog Box for a Subnet
248
Properties Dialog Box for a Device Group
249
Properties Dialog Box for a Cloud
249
Properties Dialog Box for a Link
251
Properties Dialog Box for a Non-WAN Link
251
Properties Dialog Box for a WAN Link
253
Properties Dialog Box for a Layer-3 Connection
254
Properties Dialog Box for a Multiple Selection
255
This Section Describes How You Can Apply Changes to Items with the Properties Dialog Box
258
Applying Changes to Devices Using the Properties Dialog Box
258
Changing the Custom Name
258
Setting the IP Address for a Manually Added Device
259
Setting the Port Numbers for a Manually Added Link
261
Changing the Community Strings for a Device
262
Changing the Monitoring Settings
265
Changing the Retry and Timeout Settings for a Device or Subnet
266
Changing the Discovery Options for a Subnet
267
Examples
268
Key Considerations
273
Troubleshooting
273
Monitoring the Network
277
Overview
277
Key Concepts
277
Monitor
277
Monitoring and Event Generation
278
Monitoring State
278
Monitoring State and the Grouped View
280
Monitoring Techniques
280
IP Ping Monitoring
281
SNMP MIB Data Retrieval
281
Service Polling
282
SNMP Trap Receipt
282
Monitor-Able Items
283
Monitoring Non-3Com Devices
283
Link Monitoring
283
Components
284
Live Graphs Window
284
Poll Rates
285
Live Graphs Tree
285
Live Graphs Display
286
Displaying Thresholds
287
Live Graphs Toolbar
288
Live Graphs Menu
289
More Detail Dialog Box
290
Detailed Graph Dialog Box
291
Viewing a Monitor's Component Values
292
Showing Thresholds
293
Exporting a Graph
294
Showing Plot Points
294
Zooming into a Graph
295
Poll Rates
297
Configuration
297
Starting and Stopping Monitoring
297
Disabling and Enabling Individual Monitors
298
Controlling Monitoring Type and Polling Rates
300
Monitoring Mode
300
Poll Rate
302
Specifying Monitoring Mode and Poll Rates at the Whole Map Level
302
Specifying Monitoring Mode and Poll Rates at the Subnet Level
304
Specifying Monitoring Mode and Poll Rates at the Device Level
305
Specifying Monitoring Mode in the Discovery Wizard
306
Changing Retry Periods and Timeouts
308
Controlling Event Generation from Monitors
308
Registering 3Com Network Director as an SNMP Trap Destination
308
Configuring the Storage of Monitoring Data
310
Examples
312
Enabling Monitoring on the Core Devices in the Map
312
Disabling Monitoring on the Whole Network
312
Configuring Monitoring for a Remote Office
313
Extending the Length of Maintained Monitor History
317
Key Considerations
318
Monitoring and Logged Data
318
Text Displayed in Graphs
318
Problems Starting Monitoring for a Device or Link
319
The Event Log
323
Overview
323
Key Concepts
323
Events
323
Event Types
324
Monitor-Based Events
324
3Com Network Director Internal Events
325
SNMP Trap-Based Events
325
Event Severities
325
Information Severity
325
Critical Severity
326
High Severity Events
326
Recurring Severity
326
Warning Severity
326
Event Severity Colors
327
Event Resolution
327
Smart Event Analysis
328
Event Correlation
328
Recurring Event Handling
328
Event Suppression
329
SNMP Trap Filtering
329
Alerts
329
Events List Components
330
Launching the Events Window
330
Events Main Window
331
Events List
331
Events Menu
333
Events Toolbar
333
Status Bars
335
Working with Events
336
Navigating to Event Sources in the Map
336
Commenting on Events
337
Manually Resolving Events
338
Deleting Events
339
Refreshing the Events List
340
Exporting the Events List to a CSV Format File
341
Printing the Events List
342
Find Dialog Box
342
Filter Dialog Box
343
Name Filter
344
Severity Filter
345
Show Only Voice Related Events Filter
345
Last Number of Days Filter
346
Resolved Filter
346
Deleted Events Filter
347
Description Filter
347
Comment Filter
347
Filter Status Bar
347
More Detail Dialog Box
348
Event Tab
349
Graphs Tab
350
Trap Decode Tab
352
Event System Configuration
353
Disabling and Enabling Events
353
Disabled Events Dialog Box
354
Selecting Items
355
Controlling Smart Event Analysis
356
Controlling Global Smart Event Analysis
357
Controlling SNMP Trap Filtering
358
Controlling Per-Event Advanced Settings
359
Setting Thresholds for Monitor-Based Events
360
High and Warning Thresholds
360
Launching the Threshold Settings Dialog Box
360
Threshold Settings Dialog Box
361
Configuring the Storage of Monitoring History for Events
364
Managing Event Ageing
365
Ageing Dialog Box
367
Alert System Components
368
Alerts System Overview
368
Attach Alerts Dialog Box
368
Attaching Alerts to Items
370
Configuring Alerts
370
SNMP Trap Alerts
373
Examples
374
Viewing the Unresolved Events for a Subnet
374
Exporting High Severity Events Generated in the Last Week
375
Undeleting an Event
377
Obtaining Events for Received SNMP Traps
380
Getting Events as Soon as Your Network Has a Problem
381
Receiving Notification When a Server Farm Is Unreachable
382
Key Considerations
386
No Events in the Events List
386
Events List Update was Stopped
386
Filter Has Excluded All Events
387
No Graph Available for an Event
387
Performance Reporting
389
Key Concepts
389
Automated Logging
389
Data Resolutions
390
Reporting
390
Overview
389
Components
390
Historical Report
390
Link Monitors
393
Logging Options
394
Database
395
Examples
396
Determining the Cause of High Errors on a Link
396
Predicting Demand for Bandwidth Requirements
396
Web Server Analysis
397
Useful Information and References
399
Devices
399
Links between a Switch/Hub and an End Station/Cloud
399
Links between Switches/Hubs
399
Mapping File Format
399
Rrdtool
399
Database File Format
400
Database Management
402
Key Considerations
403
Changing the Logging Data Directory
403
Mapping File Not Updating
403
Troubleshooting
403
Empty Historical Report States 3Com Network Director Cannot Monitor Device/Link
404
Missing Data Within RRD Database Files
404
Rmon
407
Introduction
407
Key Concepts
408
What Is RMON
408
Statistics
408
History
408
Host
409
Hosttopn
409
Matrix
410
Hc-Rmon
410
Components
411
3Com Support for RMON
411
The Rmonview Window
411
The Menu Bar
412
View Menu
413
Options Menu
414
Update Menu
417
The Toolbar
418
Window Menu
418
The Table View
420
The Graph View
421
Viewing Data from the RMON Statistics Group
421
Viewing RMON Statistics Data for a Selected Device
421
3Com Switch 4007
422
Community String
426
Viewing Data from the RMON History Group
427
Viewing RMON History Data for a Selected Device
427
3Com Switch 4007
428
Viewing RMON History Data for a Selected Link
429
History View Dialog Box
431
Update Rate
432
Add, Delete
433
History Entries
433
Viewing Data from the RMON Host Group
435
Viewing RMON Host Data for a Selected Device
435
3Com Switch 4007
436
Viewing RMON Host Data for a Selected Link
437
Host View Dialog Box
440
Viewing Data from the RMON Matrix Group
444
Viewing RMON Matrix Data for a Selected Device
444
Matrix Flow
450
Stations
450
Managing RMON Tables
451
Deletion of RMON Tables
452
Examples
454
How Do I Graph Errors on My Core Switch Links
454
How Do I Graph Utilization on a Specific VLAN
455
How Do I View the Data Associated with an Aggregated Link
455
Key Considerations
456
Rmon
456
RMON Limits on Individual Devices (for Table Creation)
456
RMON Support on Individual 3Com Devices
456
Useful Information and References
456
Overview
457
Creating Reports
457
Key Concepts
458
Selection-Sensitive
458
Feature Reports Types
458
Device Report History - Restriction
459
Custom Report Types
459
Reports History
459
Export to CSV
460
Components
460
Inventory Report
460
Capacity Report
461
Free Ports Report
461
Topology Report
461
Reports Dialog Box
462
Generate Report Tab
463
History Tab
464
Custom Report Types Dialog Box
466
Add/Edit Report Type Wizard
467
Columns Step
467
Name and Description Step
471
Summary Step
471
Examples
472
Assessing Network Expansion Capability
472
Ensuring Stacks Are Running the same Agent Version
473
Key Considerations
474
Disk Usage
474
Report Information Out-Of-Date
474
Generate Report Not Working
475
Configuring Single Devices
477
Overview
477
Key Concepts
478
Web Management
478
Telnet Management
478
Administration Menu
478
SSH Management
478
3Com Device View
479
3Com Router Manager
479
3Com Switch Manager
479
Network Jack Configuration Manager
479
IP Ping
479
Trace Route
480
Properties Dialog Box
482
General
482
Security
483
Unit Information
484
Vlans
485
Registering Devices for Warranty
487
Components
487
Device Warranty Dialog Box
487
Device Warranty Wizard
488
Introduction Step
488
Contact Details Step
489
Partner/Reseller Details Step
490
Device Selection Step
492
Summary Step
493
Connection to the 3Com Server
494
What Data Is Sent to the 3Com Server
494
Reports
495
Device Warranty
495
Web Management
495
Examples
497
Renaming a Switch 4007 Using Telnet
497
Disabling a Port on a Switch 4400 Using the Web Interface
497
Viewing Connected Ports Using Device View
498
Registering 3Com Devices for Warranty
498
Key Considerations Troubleshooting
500
3Com Network Director Lists some Devices as Unregistered, Although You Have Already Registered Them on the 3Com Website
500
The Device Warranty Dialog Box Is Not Displayed after a Network Discovery
500
Frequently Asked Questions
501
Why Are some Registered Devices Missing from the Email
501
Why Is There no Warranty Associated with some of the Devices in the Email
501
Vlan Management
503
Overview
503
Viewing the Vlans Configured on Your Network
503
Configuring Vlans on Your Network
503
Key Concepts
504
About Vlans
504
General VLAN Concepts
504
Benefits of Vlans
505
802.1Q Vlans
506
Port-Based Vlans
506
Tagged and Untagged VLAN Membership
507
Communication between Vlans
508
The Default VLAN
508
Protocol-Based Vlans
511
3Com Network Director VLAN Concepts
512
Discovering Vlans in 3Com Network Director
512
VLAN Membership Inference
513
Components
518
Show Vlans
518
Filter View Button
520
Interaction with Trace Path
520
Maps with no VLAN Information
521
VLAN Names
521
Find Dialog Box
524
Options Dialog Box
525
VLAN Membership
527
Properties Dialog Box
528
Vlans Tab for VLAN-Aware Switches
528
Vlans Tab for VLAN-Unaware Devices
534
VLAN Configuration Report
537
Misconfigurations and Optimizations Report
538
Inconsistent VLAN Configuration on Link
539
Inconsistent VLAN Naming
539
Changes Report
540
Create VLAN Wizard
541
Trace Path
541
Launching the Wizard
541
Checking VLAN Connectivity
547
Configuring Unsupported Devices
550
Adding an IP Routing Interface
551
Summary of Changes to be Made
554
Edit Port VLAN Membership Wizard
556
Launching the Wizard
556
Modifying the List of Selected Switches and Ports
557
Checking VLAN Connectivity
562
Configuring Unsupported Devices
562
Summary of Changes to be Made
563
Device History Report
565
Examples
565
Finding All Switches on Which a Particular VLAN Is Configured
565
Reporting the VLAN Configuration of All Switches on the Network
566
Moving a Port to Another VLAN
566
Extending Your Vlans to Include New Inter-Switch Links
569
Creating a New Voice VLAN for 3Com NBX Systems
572
Useful Information and References
573
Standards, Protocols, and Related Reading
573
Device Support
573
Key Considerations
574
Guidelines for Creating/Editing a VLAN
574
Troubleshooting
574
Incorrect VLAN Membership Inference
574
VLAN-Related Network Discovery Problems
574
Spanning Tree
576
Problems with Apparent Network Loops
576
Reference a
578
Reference B
579
Reference C
580
Bulk Configuration
581
Overview
581
Key Concepts
582
Configuration Templates
582
Device and Port Selections
583
Components
583
Configuration Editor Dialog Box
584
Configuration Summary Tree Features
585
Feature Configuration Panels
586
Loading and Saving Configuration Templates
588
Selection Editor Dialog Box
588
Editing Device and Port Selections
589
Loading and Saving Device and Port Selections
592
Applying a Configuration Template to a Device or Port Selection
593
Configuration Summary Report
595
Configuring User Accounts
596
Device Configuration Panels
596
Add User Account Dialog Box
599
Edit User Account Dialog Box
599
Configuring Access Rights
600
Configuring Trusted IP Hosts
600
Add Trusted IP Address Dialog Box
602
Configuring the Device as a RADIUS Client
603
Configuring System Information
604
Configuring Trap Destinations
605
Add Trap Destination Dialog Box
607
Configuring Spanning Tree
607
Configuring Broadcast Storm Control
609
Configuring IGMP
609
Configuring Port Security
610
Port Configuration Panels
610
Configuring Port Administration
612
Configuring Spanning Tree
612
Configuring Autonegotiation
613
Configuring LACP
615
Examples
616
Configuring User Accounts
616
Configuring Network Login
619
Useful Information and References
623
Supported Devices
623
Supported Features by Device Family
623
Key Considerations
625
Potential Hazards When Using Bulk Configuration
625
Prioritizing Network Traffic
627
Overview
627
Key Concepts
628
Classification
628
Marking
629
Queuing
631
Dropping
633
Service Levels
633
Configuring the Network for End-To-End Traffic Prioritization
634
Components
635
Prioritize Network Traffic Wizard
635
Configuration Type Step
636
NBX Step
637
Servers Step
639
Applications Step
640
Application Field Values
641
Finish Step and Progress
642
Prioritization Reports
642
Agent Upgrades Required for Prioritization Report
642
Network Prioritization Report
643
Prioritization Configuration Report
643
Examples
644
Applying an Existing Configuration to New Devices
644
Prioritizing NBX Voice Traffic
645
Prioritizing Traffic to and from a SAP Server
646
Blocking Access to a Streaming Audio Server
648
Prioritizing a Video Conferencing Application
649
Restricting Access to SNMP
652
Useful Information and References
656
User Priority Field
656
Diffserv Codepoint Field
657
3Com Network Director Classifier Rules for NBX Phone Traffic
658
Determining Field Values for Applications
658
3Com Network Director Service Levels
659
Configuration Levels for Supported 3Com Devices
659
Key Considerations
661
Resource Warnings
661
Potential Hazards When Blocking Traffic to and from Servers
663
Why Errors Can Occur When Adding a Server
663
Servers that Cannot be Selected for Blocking
664
Potential Hazards of Blocking Application Traffic
665
Potential Hazards of Blocking SNMP, HTTP and Telnet
666
Upgrading Device Software
667
Overview
667
Key Concepts
668
Agent Image Files
668
The Internal TFTP Server
668
Scheduling
668
Components
669
Agent Update Wizard
669
Introduction Step
669
Update Type Step
670
Specify Devices and Agent Versions Step
671
Change Agent Version Step
673
Scheduling Step
674
Summary Step
675
The Progress Dialog Box
676
Agent Update Events
677
Agent Update Reports
677
Agent Update Summary Report
677
Agent Audit Report
678
Examples
678
Update All Switch 4400'S with a New Agent
678
Detecting and Downgrading a Problem Device
679
Useful Information and References
680
Supported Devices
680
Agent Image Filenames
680
Key Considerations
681
Co-Existence with Other TFTP Servers
681
Considerations When Downgrading Devices
681
Troubleshooting Device Problems Following Agent Update
681
Repeated Timeouts
682
Using 3C Omm Netwomrk Directomr Om N Irectora Multi -Site Netwomrk
685
Overview
685
Key Concepts
685
Multi-Site Networks
685
Local and Remote Sites
685
Issues with Managing a Multi-Site Network
686
3Com Network Director Support for Multi-Site Networks
686
Configurable Timeouts
687
Configurable Retries
688
Configurable Monitoring Modes
689
Configurable Poll Rates for Active Monitoring
689
Configurable Discovery Options
690
Configurable Monitor Thresholds
690
Components
691
Automatic WAN Link Discovery
691
Manual Layout of WAN Topology
692
Connecting Point-To-Point WAN Interfaces Together
692
Grouping Logically Connected WAN Interfaces Together
693
Restoring WAN Interface Representations after a Manual Layout of WAN Topology
695
Manual Layout of WAN Topology and Rediscovery
696
Monitoring WAN Links
696
Configuring WAN Link Monitors
697
Disabling Monitors on WAN Links
698
Configuration
698
Configuring Retries and Timeout Periods
698
Specifying Retries and Timeout Periods at the Whole Map Level
699
Specifying Retries and Timeout Periods at the Subnet Level
701
Specifying Retries and Timeout Periods at the Device Level
703
Specifying Retries and Timeout Periods in the Network Discovery Wizard
704
Determining Appropriate Retry and Timeout Periods
705
Issues and Techniques When Configuring the Retry/Timeout Hierarchy
708
Configuring Monitoring Modes and Poll Rates
709
Determining Monitoring Modes and Poll Rates
710
Issues and Techniques When Configuring Monitoring Modes and Poll Rates
713
Configuring Discovery
714
Configuring Discovery Options in Multi-Site Networks
714
Scheduling Discoveries in Multi-Site Networks
717
Configuring Monitor Thresholds
718
Examples
719
Grouping Frame Relay Interfaces Together
719
Discovering a Remote Site
731
Configuring Service Monitoring Thresholds Using Historical Reports
746
Useful Information and References
752
Supported WAN Interface Types
752
Key Considerations
754
Problems with Discovering Remote Sites
754
Problems with Discovering WAN Routers
755
Nbx Support
757
Overview
757
Key Concepts
758
How 3Com Network Director Discovers the Phone Network
758
How 3Com Network Director Represents the Phone Network Icons
758
Line Cards
759
NBX Call Processor
759
Analog Terminal Adapter and Analog Terminal Card
760
How 3Com Network Director Monitors the Phone Network
760
NBX Applications
760
NBX Phones and Attendant Consoles
760
Components
761
Discovering the NBX Voice Network
761
NBX Voice Network Step
761
NBX Call Processors Step
761
Add NBX Call Processor/Modify NBX Call Processor
763
Properties Dialog Box
764
Monitoring the Phone Network
765
Monitoring the NBX Call Processor
765
Monitoring a Phone
765
Monitoring a Line Card
766
Selecting the Phones Associated with an NBX Call Processor
766
Finding out Which NBX Call Processor Is Associated with a Phone
768
Understanding Voice-Related 3Com Network Director Events
769
Events Related to the NBX Call Processor
769
Events Related to Phones
770
Events Related to Other Links or Devices on the Network
770
Launching Netset for the NBX Call Processor
770
Launching Netset for a Phone or Line Card
771
Examples
772
Discovering Several NBX Call Processors Simultaneously
772
Receiving an Alert When My Phones Stop Working
772
Useful Information and References
773
NBX System
773
NBX Call Processor
774
NBX Netset
774
Key Considerations
774
Troubleshooting
774
There Is no NBX Call Processor Associated with My Phone
774
The Display of End Stations in the Map Has Been Disabled
775
The Phone Is Not Managed by the NBX Call Processor Anymore
775
The Phone was Added Manually
775
The Wrong Username/Password was Specified for the NBX Call Processor
776
The NBX Call Processor Stopped Responding During the Network Discovery
777
There Is a Problem with the HTTP Service for the NBX Call Processor
777
Frequently Asked Questions
778
The Phone was Removed from the Network
778
Why Are There a Lot of Unconnected Phones on the Map
778
The Network Device the Phone Is Connected to Has Not Been Discovered
779
The Phone Cannot be Reached
779
Why Are some Phones on the Map Showing the User Name, While Others Show the Extension Number
779
How Do I Change the Label of a Phone or Line Card
780
Overview
781
Backing
781
Acking Evice Onfigurations
781
Key Concepts
782
Physical Configuration of Devices
782
Physical Identification of Devices
782
Backup Components
783
Backup Type Step
783
Device Backup Wizard
783
Specify Devices to Backup Step
785
Specify Telnet Login Information Step
785
Backup Identification Step
786
Scheduling Step
787
Device Backup Events
788
Summary Step and Progress
788
Backup Summary Report
789
Device Backup Reports
789
Backup Audit Report
790
Backup Files
790
Restore Components
791
Device Restore Wizard
791
No Backups Found Step
791
Specify Device Being Replaced Step
792
Specify Backup to Use Step
793
Specify Telnet Login Information Step
794
Summary Step and Progress
795
Device Restore Event
796
Restore Summary Report
796
Setup Components
796
Device Setup Wizard
796
Configuration Source Type Step
797
Specify Source Device Step
797
Specify Source Backup Step
798
Specify Devices to Setup Step
799
Summary Step and Progress
800
Device Setup Event
802
Setup Summary Report
802
Examples
803
Scheduling a Device Backup Operation
803
Restoring to a Replacement Device
805
Deploying a Group of Devices
806
Useful Information and References
809
Supported 3Com Devices
809
Supported Device Parameters
810
Understanding Backup Files
811
Managing Backup Files
811
Key Considerations
812
How Backup Files Are Discarded
812
Potential Hazards When Using Restore and Setup
813
Why Errors Can Occur During Restore and Setup
813
Live Update
815
Overview
815
Key Concepts
816
Connection Type
816
Service Packs
816
Live Update Engine
816
Components
817
Live Update Setup Wizard
817
Connection Type Step
817
Use Custom Settings Step
818
Summary Step
819
Live Update Select File Groups Dialog Box
821
Status
822
Table of Available Updates
823
File Group Details
824
Select File Group - Group Name
824
Download Progress
825
Changing the Download Settings
826
Live Update Activity Report
829
Examples
830
Ensuring 3Com Devices Are Supported
830
Updating the Connection Information
831
Solution 1 - Automatic Configuration Using the Live Update Setup Wizard
832
Solution 2 - Manual Configuration Using the Options Dialog Box
833
Updating 3Com Router Manager
834
Useful Information and References
835
Proxy Server
835
Key Considerations
835
The Proxy Settings Are Not Retrieved
835
Not Enough Space on the Disk
836
Cannot Find the Downloaded 3Com Router Manager Updates on Disk
836
A Supported Devices
839
Bulk Configuration
839
Device View Switch Manager Router Manager Device Warranty
839
VLAN Configuration
840
Backup, Restore and Setup
841
Restrictions Backing up and Restoring 3Com Devices
842
Agent Update
845
Restrictions Updating 3Com Agent Software
846
Rmon
849
Device View
850
Device Warranty
852
Switch Manager
852
General Restrictions with Supported Devices
854
B 3Com Device View
856
About Device View
856
Management Support Matrix
856
100 C Obtaining Supportfor Yourproduct
859
Obtaining Support for Your Product
859
Purchase Value-Added Services
859
Register Your Product to Gain Service Benefits
859
Troubleshoot Online
859
Access Software Downloads
860
Contact Us
860
Operating System
863
Web Browser
863
Additional Software Required
863
System Requirements
863
Hardware
864
Overview
865
Report Examples
865
Discovery Report Example
866
Telephone Technical Support and Repair
860
Discovery Report Example Content
867
Discovery Report Example
867
Warnings
869
Network Configuration 1
870
Network Configuration 2
871
Misconfigurations and Optimizations Report
872
Inconsistent VLAN Naming
873
Spanning Tree Fast Start
874
Configure Aggregated Links Using LACP
875
Setting up VLANS with Distributed Resilient Routing
875
XRN Fabric
875
Misconfiguration and Optimization Reports
876
Web Cache Redirection
876
Webcache Redirection and Vlans
884
Limitations
884
Ssh Client
895
Inconsistent VLAN Naming
907
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