3Com Network Director User Guide
3C15500
 3Com Corporation Campus Drive Marlborough MA USA
United States Government Legend
Page
Page
 Contents
 Product Activation
 Main Window
 Discovering the Network
Monitoring Logging VLANs
 124 Summary Pane 126
Other Clouds 103
110
128
 166 167 Clouds
143
158 Device Icons Pull-Right Menu for Devices 161
 193
217
 242 Properties Dialog Box for a Subnet 244
225 Files Associated with Saved Maps 226 Network Login
241
245
 Overview
282
 300
Showing Thresholds 289
290 Exporting a Graph Zooming into a Graph 291
321
 343
325 Alerts
337
 371
364 Attaching Alerts to Items 366 Configuring Alerts
369 Examples Viewing the Unresolved Events for a Subnet 370
378
 395 Mapping file format
383
No Graph Available for an Event 383
400
 405 Matrix 406
What is Rmon 404
404 History Host 405
425
 471
455
458
 Configuring Single Devices
 Vlan Management
497
 Useful Information and References 569
550
568
 Reference C
Configuring Access Rights 596 Configuring Trusted IP Hosts
Configuring the Device as a Radius Client
584 Editing Device and Port Selections
 648
635 Applications Step 636 Application Field Values 637
644 Prioritizing a Video Conferencing Application 645
 661
652 DiffServ Codepoint Field
Servers That Cannot be Selected for Blocking 660
662
 Overview Key Concepts 681 Multi-Site Networks
676
Agent Image Filenames
 NBX Support
 768 Useful Information and References 769 NBX system
770 NBX NetSet Key Considerations Troubleshooting
761 Monitoring a Phone Monitoring a Line Card 762
 792 Restore Summary Report Setup Components
784 Device Backup Events
789 Specify Telnet Login Information Step 790
787 Specify Device Being Replaced Step 788
 Why Errors can Occur during Restore and Setup 809
Configuration Source Type Step 793
793 Specify Source Backup Step 794
795
 3C OM D Evice V IEW
About Device View 852 Management Support Matrix
 Register Your Product to Gain Service Benefits
855
Page
Page
 About this Guide
 Icon Description
List conventions that are used throughout this guide
Text Conventions
Convention Description
 Which can be accessed through the application
Pddtechpubscomments@3com.com
 About this Guide
 All its major features
Getting Started
 Use Windows Explorer to browse the CD and access the files
 Create a new network map
Start using 3Com Network Director with your 3Com devices
Displayed which enables you to
 Monitor Core Devices and Links Step
Discovery Type Step
Specify Subnets Step
Community Strings Step
 Coexistence with 3Com Network Director
Scheduled Discovery Step
Summary Step
 Using saved Network Supervisor maps
 Using saved 3Com Network Supervisor files
Device Warranty feature
 Network Monitoring
Main Window
Network Discovery
 Main Features
 For more information, see Bulk Configuration on
For more information, see Upgrading Device Software on
 Main Features
 Getting Started
 Relating to both this and other associated products
Describes how to activate 3Com Network Director
Customer support for 3Com Network Director for the duration
This chapter covers the following topics
 Product Number the part number of your software, which
This number when it is first installed
Process
Starts with ‘3C’
 About Dialog Before Registration
 Wizard consists of two steps as follows
Activation Wizard License Key
 If you prefer, you can register your product manually at
 Activating 3Com
US, Canada and Latin America
Outside US, Canada and Latin America
Network Director
 Where can I find the license key for 3Com Network Director?
 What product number is right for me?
What if I lose my Activation Key after registration?
 Why can’t I log in to the 3Com support web site?
 Product Activation
 Key Considerations
 License Key Warning
 Troubleshooting
 Product Activation
 Main Window
Director
 To the main window
 For a selected link the text displayed is
Following section describes the features of the main window
Describes the operations you can perform from this window
 File Menu
Menu Item Hot Key Operation
 Edit Menu
Menu Item Hot Key Operation
 View Menu
See Deleting Items from the Map
 Grouped Network View on
 Background Images on
 Device Menu
Management on page 491 for more
 Device Setup
Monitoring Menu
 Alerts/Events Menu
Rmon Menu
 Tools Menu
Statistics group on page 417 for
 User Guide on
 Saved
Tree
 Scheduled Tasks Menu Option
 File New File Open Edit Add Device Edit Delete
 General
 Device Management
General Tab
 Components
 See Live Update on page 811 for more information
Internet
 Discovery
Monitoring
 Logging
Monitoring Tab
 See Performance Reporting on page 385 for more information
 Retry/Timeout
VLANs
 Retry/Timeout Tab
 Security Tab
 Index Menu Option
Guide
 Help About 3Com
Dialog box is displayed
 Activation Key
You have a query about an aspect of 3Com Network Director
Number
Activation key
 About Dialog Box License Number
 About your network
Process and the steps you can take to overcome them
 Stages. The main concepts associated with these operations
This chapter. This section explains the key concepts behind
Discovery process itself
Associated stages are outlined in this section as follows
 Device Capability Detection
Purpose of each stage is described below
IP Ping
 End Station Type Recognition
IP to MAC Resolution
Snmp Type Detection
 NBX Phone Detection
DNS Name Resolution
Web Type Recognition
 Device Sizing
 Sizing stage
 Spanning Tree stage
Remote Poll Stage broadcast ARP
 Remote Poll Stage directed pings
Device Resolution Stage
Initial Endstation stage
 Clouds Unknown Topology
Outstanding end station stage
Tree Building Stage
 Clouds Unknown Topology
 Edge Switch Unknown Topology
 Other Clouds
 Discovering the Network
 Key Concepts
 Scheduled
Discoveries
 Welcome dialog box
File New
 Tools Network Discovery with nothing selected
Tools Network Discovery with a discovered subnet selected
 Tools Network Discovery with an undiscovered subnet selected
Undiscovered Subnet
 Discovery Type Pane
This is the first pane of the wizard
 Specify Subnets Pane
Adding subnets to the list
 Add Subnet Dialog Box
 Add Range Dialog Box
 Choosing from a list of known subnets
Editing subnets in the list
Removing subnets from the list
 Find Subnets List
 Importing subnets from a file
Query Failure Dialog Box
 Monitor Core Devices and Links Pane
 Community Strings Pane
 Community Strings Pane
 NBX Voice Network Pane
NBX Call Processors Pane
 NBX Call Processors Pane
 Discovery Options Pane
 Components
 Scheduled Discovery Pane
Scheduled Discovery Pane
 Options Dialog Box Discovery Tab
 Summary Pane
 Network Discovery Wizard Summary Pane
 Network Discovery Progress Dialog Box
 Network Discovery Progress Dialog Box Minimized
 Network Discovery Summary dialog box
Network Discovery Summary Dialog Box
 Components
 Topology
 Initial Map Creation
 Directly From the Options dialog box
Subsequent Map Updates
Midnight?
 Am is midnight and 1200 pm is midday
 From the Discovery Wizard
 Scheduled Discovery Pane
 Discovering the Network
 Network how do
 Useful Information References
 Some devices are the wrong type
There are clouds in my map
 Discovering the Network
 Key Considerations
 Following devices
Discovery Section
Discovered
 Discovery Report Errors and Warnings
 Topology Section
Following devices returned invalid port information
 Discovery Report Errors and Warnings
 Discovering the Network
 Discovery Report Errors and Warnings
 Discovering the Network
 Within 3Com Network Director
Following topics are covered in this chapter
 3Com Network Director
Map
 Icons Used in the Map
IconDescription
 IconDescription
 Example Tree
 Components
Map Structure
 Device Groups Example
 Devices
Device Icons
 Network Infrastructure Device Icons
Device Icon Description
 Telephony Solution Icon Description
NBX Networked Telephony Solution Icons
Device Icon Description 3Com Wireless LAN Access Point
 Devices Pull-Right Menu Options
Pull-Right Menu for Devices
End Station Icons
End Station Icon Description Standard end station
 3Com Device View on page 475 for more information
 Physical Links
Menu Item Operation
 Annotation Type Graphical Description Representation
Unvalidated Links
Physical Link Annotations
 Physical Links Menu Options
Spanning Tree Protocol Support
Pull-Right Menu for Physical Links
 Layer-3 Connections
Attach Alerts Dialog Box on page 364 for more information
 Pull-Right Menu for Layer-3 Connections
Layer-3 Connections Menu Options
 Clouds and Submaps
Label Description
 Pull-Right Menu for Clouds
Subnets
 Undiscovered Subnets
Subnet Icon’s Name
 Subnets Menu Options
View Filtered Events
 Ungrouping Device Groups
Device Groups
Grouping Devices into a Device Group
 Pull-Right Menu for Device Groups
Device Groups Menu Options
 Tooltips
Tooltip
 Map Item Information Displayed
Map Item Labels and Address Translation
Tooltip Displays
 Label Type Label Source
Custom Name
 Vendor Translation of MAC Addresses
Becomes
 Working with the MAP
 Translate MACs Option
 Release the mouse button
Selecting Items in the Map and Tree
Selecting Multiple Map Items in the Currently Viewed Map
 Selecting Multiple Items in the Tree
Selecting Multiple Map Items
 Zoom
Selection and the Pull-Right Menu
Panning
 Toolbar Zoom Buttons
Zoom out
Fit to
Button Action Zoom
 Using the Zoom Rectangle
Navigating Between Submaps and the Top-Level Map
 Currently Viewing Text Displayed in Title
Pull-Right Menu for Map Background
Title Bar Displays
 Shortcut Symbols
Pull-Right Menu Options from the Map Background
 Navigating Around the Map Using the Tree
Shortcut Icon
 Viewing the VLANs on Your Network
Trace Path
 Changing the Displayed Path
Trace Path Example
 Using the Filtered Trace Path View
Button Action Explanation
 Using The Trace Path Wizard
Trace Path Wizard
 Finding Items on Your Network
This button launches the Find dialog box
 Using Wildcards to Find Partial Matches
 Wildcard Characters
For example
Searching Within the Search Results
Wildcard Matches
 Option Description
Using the Find Dialog Box to Select Items for Operations
Finding Devices
 Address address
 Finding Links
Search by Option Description
 Speed Duplex mode Spanning tree mode
Finding NBX Telephony Components
 Search by Option Description
 Comment field
 Manual Layout of Map Items
Automatic Relayout of Maps
 Manually Modifying the Map Contents
Adding Items to the Map
 Add Map Item Dialog Box
 Linking Items in the Map
Deleting Items from the Map
 Login on
Keeping the Map Up-to-date
 Working with the MAP
 Default Map Location
 Exporting Maps to Microsoft Visio
 Export to Visio Dialog Box
 Working with the MAP
 Components
 Network
Following section provides some examples of how to perform
Common tasks with the map and tree
Launch the Find dialog box by selecting Edit Find
 Select 3Com Switch 4400 from the Device type list
 Select Tools Reports to launch the capacity report
Search Results Table
 Viewing Devices without Grouping by Subnets
 Double-Clicking on a Router in the Tree
 Focusing in on a Set of Devices in the Map
 Zooming
 Adjusting the Magnification
 From Different Submaps
Locating the Two Devices
 Map
Selecting Edit Add Link
 Opening the Submap
 Selecting Edit Add Map
 Selecting Properties
 3Com Wireless Access Points
NBX Network Telephony Solution
3Com Switch
Tree
 Saved Map Files
Filename Contents
Files Associated with Saved Maps
 FilenameContents
 Network Login
 It allows you to
Dialog box
Discovered
Items on the network map
 Items on network
Items Supported by the Properties Dialog Box
See for more information
 Structure Tabbed Pane
Selected item
 Tab Title Contents
Description of the Tabs in the Properties Dialog Box
 Tab Title Contents
Device Tree
 Device Tree
 Components
 Tabs for a Node
 Tabs for a Port
Tabs for an interface
 Tabs for an Aggregated Link
 Aggregated links on the device, as shown in Figure
Tabs Available for a Unit/Slot
 Properties Dialog Box for a Supported Device Single Unit
 Properties Dialog Box for an Unsupported Device
 Properties Dialog Box for an End-Station
 Phone tab
Properties Dialog for a Phone
 Tabs available for a Subnet
For a Subnet
Tabs available for a subnet are shown in Table
 Properties Dialog Box for a Device Group
 Properties Dialog Box for a Cloud
 For a Link
Properties Dialog Box for a Non-WAN Link
 Tabs available for a link are shown in Table
Tabs Available for a Non-WAN Link
 Tab Title
 Tabs Available for a WAN Link
Tabs available for a WAN link are shown in Table
Connection
 Tabs available for a Layer-3 Connection
Tabs available for a link to a subnet are shown in Table
Selection explanatory text is displayed, as shown in Figure
 Properties Dialog Box for a Multiple Selection
 No Common Information Across the Selection
 Changing the Custom Name
Changing the Comments
 Setting the IP Address for a Manually Added Device
Click OK to save your changes
 Addresses Tab for a Manually Added Device
 Setting the Port Numbers for a Manually Added Link
 For a Device
Ports Tab for a Manually Added Link
 Components
 Security Tab for a Device
 Community Strings Not Accepted
 Monitoring tab of the Properties dialog box
 Retry and timeout settings can be configured from within
Retry/Timeout tab of the Properties dialog box
 How Do I View the Properties of a Specific Port on a Device?
4007
 Examples
 Properties for a Specific Port
 Security Tab for Multiple Devices
 How Do I Prevent the Discovery of End-Stations in a Subnet?
 How Do I Restrict Monitoring to Snmp Traps for a Device?
There Is No Port Information For My Device
 There Is No General Unit Information For My Device
Lot of Fields in the Properties Dialog Box Show Unknown
 Key Considerations
 Viewing Device Details
 Monitor
When issues arise
Network using 3Com Network Director
 Monitoring the Network
 Map Item Color Key
Color Description
 Monitoring State and the Grouped View
 IP Ping Monitoring
Snmp MIB Data Retrieval
 Service Polling
Snmp Trap Receipt
 Monitoring Non-3Com Devices
 Components
 Poll Rates
 Live Graph Display
 Displaying Thresholds
 Live Graphs Toolbar
Bi-State Monitors State Representation
 Live Graphs Monitor Menu
Detailed Graph Dialog Box on
 Live Graphs View Menu
Display thresholds Toggles the forcing of the display
 Components
 Viewing a Monitor’s Component Values
Detailed Graph
 Showing Thresholds
Component Values Fields
 Showing Plot Points
Exporting a Graph
 Zooming into a Graph
Graph Save As... Dialog box
 Zooming
After zooming
 Configuration
Performed automatically from the Network Discovery Wizard
 Disabling and Enabling Individual Monitors
 Detailed Graph for Disabled Monitor
 Monitoring Mode
 Configuration
 Poll Rate
 Monitoring Tab of Tools Options Dialog Box
 Monitoring Tab of Subnet’s Properties Dialog Box
 Monitoring Tab of Device’s Properties Dialog Box
 Specifying Monitoring Mode in the Discovery Wizard
 Monitoring Pane of Network Discovery Wizard
 Monitors event will be generated
Destination
 Monitoring Tab of Tools Options Dialog Box
 Monitoring the Network
 Logging Tab of Tools Options Dialog Box
 On the Core Devices
Network
Enabling Monitoring
 Subnet Selection from Main Window Tree
 Properties Dialog Box for a Subnet
 Use Defaults Option in Tools Options Dialog Box
 Close the Properties dialog box by clicking OK
Poll Rates in Tools Options Dialog Box
 Minutes
Maintained
Monitor History
 Maintain Monitor History Field Detail
 Problems Starting Monitoring for a Device or Link
 Monitoring the Network
 Error Message Dialog Box
 Monitoring the Network
 Event LOG
Relevant and concise
 Event Types
Monitor-Based Events
 Snmp Trap-Based Events
Information Severity
 Recurring Severity
High Severity Events
Critical Severity
 Color Severity
Event Severity Colors
Event List Color Coding Key
 Event Correlation
Recurring Event Handling
 Event Suppression
Snmp Trap Filtering
 Window
Viewing Unresolved Events for a Selection To view all
 Events List
Events Window Main Window
 Events List Column Headings
Column Heading Contents
Following table details the columns used in the Events list
 File Menu Item Hot Key Operation
Events Toolbar
Events Menu
 View Menu Item Hot Key Operation
Event Menu
Edit Menu Item Hot Key Operation
Event Menu Item Hot Key Operation
 Status Bars
There are two status bars shown in the Events window
 Navigating to Event Sources in the Map
Database Status Bar
 Commenting on Events
 Manually Resolving Events
Comment Dialog Box
 Deleting Events
 To stop an update while it is in progress select View Stop
 Export as CSV Format Dialog Box
 Wildcards Used in Find Operations
Wildcard Matches Example Example Matches
 Events List Components
 You may filter on any combination of the fields
Name Filter
 This field filters for events that have a specific severity
Show only voice related events Filter
Severity Filter
 Last number of days Filter
Resolved Filter
 Comment Filter
Deleted Events Filter
Description Filter
Filter Status Bar
 Events Window Filter Status Bar Details
Text Description
 Event Tab
Event tab provides a description of the event
 Graphs Tab
 Events List Components
 Trap Decode Tab
 Disabling
Enabling Events
 Disabled Events Dialog Box
 Selecting Items
 Selected Items dialog box
 Advanced Settings Dialog Box
Controlling Global Smart Event Analysis
 Smart Event Analysis will be ignored
Controlling Snmp Trap Filtering
 Controlling Per-Event Advanced Settings
 Launching the Threshold Settings Dialog Box
High and Warning Thresholds
 Threshold Settings Dialog Box
 Threshold Settings Dialog Box
 Event System Configuration
 Event LOG
 Logging Tab
 Event LOG
 Ageing Dialog Box
 Attach Alerts Dialog
Alerts System
Overview
Box
 Attach Alerts Dialog Box
 Configuring Alerts
Attaching Alerts to Items
 Alert System Tokens
Token Replaced In Generated Alert By
 Sample Pop-up Alert
 Snmp Trap Alerts
Pop-up for a Device
 View relevant events and assist in troubleshooting
Snmp Trap Alert Options
 Examples
 Filter Dialog Box 7 Days of High Severity
 Select File Export as CSV
 Filter Dialog Box Show
 Events Window Updated
 Event LOG
 Problem
Clear the Enable event suppression check box
 Close the global Advanced Settings dialog box by clicking OK
Server Farm Is Unreachable
 Add Alert Dialog Box Pager Option
 Set Up Alerts Dialog Box
 Attach Alerts Dialog Box
 No Events
Events List Update Was Stopped
Match the configured filter
Events list
 Filter Has Excluded All Events
Events List Window Bottom Status Bar
 Options Dialog Box Logging Tab
 Performance Reporting
See how network usage changes over a period of time
 Performance Reporting
 Historical Report Example
 Report Resolutions
Resolution Time span
 Data Source Usage
Link monitors
Device Monitors
Monitor Sub-graphs Comments
 Select Tools Options
 \Program Files\3Com\3Com Network Director\logging
 On a link
Requirements
 Trend of Link Utilization
 Daily Graph of Http Response Time
 Links between a switch/hub and an end station/cloud
Links between switches/hubs
Filename, Switch1 MAC address, Switch2 MAC address
Filename, MAC address
 Performance Reporting
 Link Monitors
Monitor Data source
 Disk Space Requirements
Monitored Monitored links Devices Disk space
 Navigate to the data\com\coms\wsd\tns subdirectory
Troubleshooting Mapping file not updating
Changing the logging data directory
 Missing data within RRD database files
 Key Considerations
 Performance Reporting
 Rmon
Standard
 History
Support provided by 3Com Network Director
Statistics
Following section describes the key concepts of Rmon
 Host
HostTopN
 Matrix
 By 3Com Network Director
RMONView window
 Menu bar
File menu
 View menu
RMONView window
 Options menu
Options Menu
 Manual Upload Toggles Manual Upload on/off. If
 See Map Item Labels and Address
 Update menu
Update Menu
 Toolbar
Window menu
Help Menu
 Additional Features
Toolbar Buttons
 There are three ways to control the display of rows
Table View
Table Control Dialog Box
 Viewing Rmon Statistics data for a selected device
Graph View
Viewing data from the Rmon Statistics group
 Rmon Statistics Option
 Rmon Statistics Slot 5 36 Port 10/100 L2 Switch
Viewing Rmon statistics data for a selected link
 Rmon Statistics Data for a Selected Link
 Statistics View dialog box
Statistics View Dialog Box
 Predefined Views
Community String
View
Predefined View Definition
 Viewing data from the Rmon History group
Viewing Rmon History data for a selected device
 Rmon History Data for a Specific Device
 Viewing Rmon history data for a selected link
 Viewing Single Link Lists
 History View dialog box
History View Dialog Box
 Update Rate
 History Entries
Add, Delete
 Rmon
 Viewing data from the Rmon Host group
Viewing Rmon Host data for a selected device
 Host Data for a Specific Device
 Switch 4007 Selection of the Slot within the Chassis
Viewing Rmon host data for a selected link
 Host View Dialog Box with the Vlan Interface Preselected
 Select Vlan Dialog Box
 Host View dialog box
 Update Rate
 Sort by
 Error dialog box
 Viewing data from the Rmon Matrix group
Viewing Rmon Matrix data for a selected device
 3Com Switch
Rmon Matrix Data
 Switch 4007 Separate Submenu
Viewing Rmon matrix data for a selected link
 Matrix View Dialog Box
 Host Submenu
 Update Rate
 Stations
Matrix Flow
 Managing Rmon tables
 Deletion of Rmon Tables
Interface Dialog Box
 Components
 Errors
This section describes some Rmon examples supported by 3Com
 How do I graph utilization on a specific VLAN?
 Rmon Support on individual 3Com devices
Rmon Limits on individual devices for table creation
 Creating Reports
 Feature Report Types
Feature Report Types Covered
 Feature Report Types Covered
Open Windows Explorer Navigate to the following directory
 Inventory Report
Properties to use in your own command line scripts
Types are also available
Capacity Report
 Components
 Creating Reports
 Generate Report Tab
Reports Dialog Box
 History Tab
History
 CSV format used for exported reports is
 Custom Report Types Dialog Box
 Columns Step
Add/Edit Report Type Wizard Columns Step
 Available Columns for Node Details
Column Description
 Column Description
 Available Columns for ‘Link Details
 Name and Description Step
Add/Edit Report Type Wizard Name and Description Step
 Assessing Network
Report types
Further details
Work out which 3Com devices to connect them to
 Choose to Place chart As new sheet and click Finish
 Creating Reports
 Key Considerations
 Creating Reports
 Devices on your network for any applicable warranty
Web Management launches your default web browser against a
Administration Menu contains integrated add-on 3Com device
Device selected in the network map
 Devices using 3Com Network Director
 Network Jack Configuration Manager
3Com Switch Manager
Switch Manager is the element manager of the Switch
3Com Device View
 Configuring Single Devices
 Key Concepts
 Properties General Tab
 Security
Following two radio buttons are provided
 Unit Information
Properties Unit Information Tab
 Properties VLANs Tab
 Properties VLANs Tab Vlan Routing
 Devices as shown in Figure
 Introduction Step
 Contact Details Step
 Partner/Reseller Details Step
 Partner/Reseller Details step displays the following fields
 Device Selection Step
 Summary Step
 What Data is Sent to the 3Com server
 Device Warranty
Web Management
 Device Warranty
 Devices on your network
Web Interface
 Select the device and right-click on it to launch the menu
Click OK to launch the Device Warranty wizard
View
 Examples
 Select the Tools Device Warranty menu option
 Why are some registered devices missing from the email?
 Configuring Single Devices
 Viewing the VLANs
Configured on your
Configuring VLANs
On your network
 Concepts About VLANs
Key Concepts
General Vlan
 Network Setup Showing Three VLANs
Benefits of VLANs
 Port-based VLANs
802.1Q VLANs
Ieee 802.1Q standard for VLANs aims to
 Tagged and untagged Vlan membership
 Example of VLANs Distributed Amongst More Than One Switch
Communication between VLANs
 Key Concepts
 Switches Connected by 802.1Q Tagged Links
Primary and Secondary IP interfaces
 Protocol-based VLANs
Spanning Tree
 3Com Network Director Vlan Concepts
Discovering VLANs in 3Com Network Director
 For further information see Discovering the Network on
Vlan membership inference
 Vlan equivalence
 Vlan Matching by 3Com Network Director
 Network Example
 If the above network was additionally configured like this
Restrictions on Vlan support in 3Com Network Director
 Show VLANs
 Show VLANs
 Filter View button
Interaction with Trace Path
 Maps with no Vlan information
Vlan names
 Identifier Description
Where
Show VLANs Toolbar Vlan Descriptions
 Naming the Vlan
 Find Dialog Box
 Options Dialog Box
Listing Vlan Members
 Options Dialog Box VLANs Tab
 Vlan IDs
Vlan membership
 VLAN-aware switches. See Vlan membership inference on
VLANs tab for VLAN-aware switches
 Columns in the Ports in Vlan table are
Ports in Vlan table
 Protocol Details button
Protocol Details Button
 Vlan Routing button
Protocol Column
 Vlan Routing Dialog Box
 Components
 VLANs tab for VLAN-unaware devices
VLANs Tab for VLAN-Unaware Devices
 VLANs Tab
 VLANs tab for a link
VLANs Tab for a Link
 Vlan configuration report
Generate Report Dialog Box
 Misconfigurations and Optimizations Report
Vlan Configuration Report Entry
 Inconsistent Vlan IDs
Inconsistent Vlan configuration on link
Inconsistent Vlan naming
 Changes Report
 Create Vlan wizard
Launching the wizard
 Entering the new Vlan name and ID
 Modifying the list of selected switches and ports
 Nearest Switch Port to the Non-Switch
 Components
 Untagged radio buttons
Add Ports by Type dialog box
 Checking Vlan connectivity
 Vlan Management
 Finding a Layer 3 Switch for a Vlan
 Configuring unsupported devices
Checking the Vlan limit
 Manually Configuring a Vlan on Unsupported Devices
Adding an IP routing interface
 Specify an IP Routing Interface
 Components
 Summary of changes to be made
 Creating the new Vlan on the selected switches and ports
Device Summary Stage
 Edit Port Vlan Membership wizard
 Modifying the list of selected switches and ports
Adding Unconnected Ports
 Modifying the VLANs on the selected switch ports
Untagged Vlan
 Tagged VLANs
 Tri-state Check Boxes
 How the changes will be applied
 Configuring unsupported devices
 Final Wizard Stage
 Applying the changes
 Device History Report
 Moving a port to another Vlan
 Selecting the Link to the End Station on the Map
 Vlan is an existing Vlan on your network Before
Network Before
 Extending your VLANs to include new inter-switch links
After
 Selecting the Link
 Second Wizard Stage
 Creating a new Voice Vlan for 3Com NBX systems
 Useful Information References
 Troubleshooting Incorrect Vlan membership inference
Incorrect topology if all subnets are not discovered at once
 Network Topology Example
 Network Topology Example
 Switch Switch4400-6 Port 00-30-1e-c6-40-38
 Device Type Vlan Display Vlan Configuration
Changes report Vlan configuration consists
Vlan configuration and Display by Device Type
Reference a
 Maximum Number
Reference B
Maximum number of VLANs by 3Com device
Device Type VLANs
 Reference C
Device Type
 Same or different types, in a single operation
More of the 3Com devices in a network in a single operation
3Com devices on the network
 Configuration
Templates
 Selection
 Configuration Editor Dialog Box
 Switch Port configuration template
Configuration Summary Tree Features
Switch Device configuration template
Features
 Feature Configuration Panels
 Configuration Editor Dialog box
 Loading and Saving Configuration Templates
Port Selection Editor
 Editing Device and Port Selections
 Bulk Configuration
 Components
 Loading and Saving Device and Port Selections
 Schedule Configuration Dialog Box
 Configuration Progress Dialog Box
 Device Status Configuration Stage
Device Status Information
 Account Parameter
Configuring User Accounts
User Account Parameters
 Account Parameter
 Bulk Configuration
 Add User Account Dialog Box
Edit User Account Dialog Box
 Configuring Access Rights
Configuring Trusted IP Hosts
 Trusted IP Hosts Panel
 Add Trusted IP Address Dialog Box
Add Trusted IP Address Dialog Box
 Configuring the Device as a Radius Client
Radius Servers Panel
 Parameter Restriction
Configuring System Information
Radius servers feature restrictions
 Configuring Trap Destinations
 Trap Destination Table Entries
Parameter Description
 Configuring Spanning Tree
Add Trap Destination Dialog Box
 Spanning Tree Panel
Spanning Tree Parameter Restrictions
 Configuring Igmp
Configuring Broadcast Storm Control
 Configuring Port Security
Broadcast Storm Control Panel
 Continuous learning, automatic-learning, full security
 Configuring Port Administration
 Configuring Autonegotiation
Port Administration Panel
 Autonegotiation Panel
Autonegotiation Parameter Restrictions
 Configuring Lacp
Lacp Panel
 Configuration feature of 3Com Network Director
This section provides some examples of how to use the Bulk
 Examples
 Schedule Configuration Dialog Box
 Examples
 Configuration Template Editor Radius Servers
 Select the user-login security mode
Configuration Template Editor Port Security
 Bulk Configuration
 Bulk Configuration Feature Summary
Device Family Supported Features
 Device Family
 Key Considerations
 Bulk Configuration
 Over your network
Network traffic on the 3Com devices on your network
Dropped in times of congestion
 Classification
 Key Concepts
 Network Topology
 Key Concepts
 Queue Servicing Mechanism
 Classification Rules Service Level
 Service Level DiffServ Codepoint
DiffServ Codepoints
 Classification Rule Service Level
Manually set up classifiers, dropping, queuing and marking
DiffServ Codepoints and Service Levels
 Configuration Type Step
Prioritize Network Traffic Wizard Configuration Type
 NBX Step
 NBX step
 Servers Step
 Applications Step
Prioritize Network Traffic Wizard Applications
 Application Field Values
 Agent Upgrades Required for Prioritization report
Finish Step and Progress
 Prioritization Configuration Report
Network Prioritization Report
 Configuration
 Configuration Type Prioritizing NBX Voice Traffic Example
 Prioritizing Network Traffic
 Examples
 Prioritizing Network Traffic
 Examples
 Prioritizing Network Traffic
 Examples
 Servers Restricting Access to Snmp Example
 Examples
 Prioritizing Network Traffic
 Applications Restricting Access to Snmp Example
 User Priority
User Priority
 RFC Definitions
RFC Number Title
 Classifier Type Classifier Value Description
Traffic
NBX Phone Traffic Classifier Rules
 Service Level Queue Marking Value Queue Device 802.1p
3Com Network Director Service Levels
Service Levels Used by 3Com Network Director
 Device Type Agent Version
 Key Considerations
 Resource Warning Content Explanation if appropriate
 Key Considerations
 Servers That Cannot Be Selected for Blocking
 Key Considerations
 Prioritizing Network Traffic
 Agent software available to you
You can use the Agent Update feature to
Upgrade or downgrade the agent software on individual 3Com
Agent software you have available
 Feature
 Agent Update Wizard Introduction
 Update Type Step
Agent Update Wizard Update Type
 Agent Update Wizard Specify Devices and Agent Versions
Specify Devices and Agent Versions Step
 Upgrading Device Software
 Agent Update Wizard Change Version
Change Agent Version Step
 Agent Update Wizard Scheduling
Scheduling Step
 Summary Step
 Agent Update Wizard Progress Dialog Box
Progress Dialog Box
 Reports Agent Update Summary report
 Agent Audit report
Agent evening. To do this
 Problem Device
 Agent Filename Format by Device Type
Device Family Agent Filename Format
 Update
Troubleshooting
Device Problems
Co-existence With
 Default location of 3Com Network Director is
 TIMEOUT,/TIMEOUT
 Upgrading Device Software
 Monitor and manage multi-site networks
Local and Remote Sites
 Issues with Managing a Multi-Site Network
 Configurable Timeouts
 Configurable Retries
 Configurable Poll Rates for Active Monitoring
Configurable Monitoring Modes
 Configurable Discovery Options
Configurable Monitor Thresholds
 Default WAN cloud
 Connecting Point-to-Point WAN Interfaces Together
 Grouping Logically Connected WAN Interfaces Together
 Using 3COM Network Director on a MULTI-SITE Network
 Components
 Manual Layout of WAN Topology and Rediscovery
 Configuring WAN Link Monitors
 Disabling Monitors on WAN Links
 There is a three level hierarchy in this mechanism
 Using 3COM Network Director on a MULTI-SITE Network
 Specifying Retries and Timeout Periods at the Subnet Level
 Retry/Timeout Tab
 Specifying Retries and Timeout Periods at the Device Level
 Using 3COM Network Director on a MULTI-SITE Network
 Determining Appropriate Retry and Timeout Periods
 Using 3COM Network Director on a MULTI-SITE Network
 Retry and Timeout Defaults
Default Number Request Type Retries Default Timeout Period
 Using 3COM Network Director on a MULTI-SITE Network
 Configuration
 Determining Monitoring Modes and Poll Rates
 Configuration
 Using 3COM Network Director on a MULTI-SITE Network
 Configuration
 Configuring Discovery Options in Multi-Site Networks
Configuring Discovery
 Configuration
 Using 3COM Network Director on a MULTI-SITE Network
 Scheduling Discoveries in Multi-Site Networks
 Using 3COM Network Director on a MULTI-SITE Network
 Examples
 Find Dialog Box Default WAN
Click Find
 Examples
 Adding a Cloud by Drag and Drop
 Properties Dialog Box General Tab
 Map Links Selected
 Select one of the routers and the new cloud in the map
Map Router and New Cloud Selected
 Map Router and New Cloud Linked
 Properties Dialog Box Ports Tab
 Map Showing Labelled Cloud
 Map Showing Multiple Links
 Finally, relayout the map by selecting View Relayout Map
Rediscovered Map
 Examples
 Default Retry and Timeout Settings
Discovery Type step select Specify subnets
 Network Discovery Wizard
 Add Subnet Dialog Box
 Add Subnet Dialog Box Subnet Address and Mask
 Add Range Start
 Add Subnet Dialog Box Discover Custom Ranges Selected
 Add Subnet Dialog Box End IP Address Edited
 Add Subnet Dialog Box Use Defaults Option Unchecked
 Add Subnet Dialog Box Retries and MS Timeouts
 Network Discovery Wizard Subnet Added
 Network Discovery Wizard Monitor Core Devices and Links
 Click Next to move onto the NBX Call Processors step
Click Next to move onto the Discovery Options step
 Network Discovery Wizard Use Defaults Unchecked
Network Discovery Wizard Discovery Options
 Network Discovery Wizard Only IP Devices Checked
 Find Dialog Box
 Find Dialog Box Fields Populated
 Map Zoomed to Search Results
 Weekly Graphs 30 Minute Average
 Smtp Response Time
 Threshold Settings Dialog Box
 WAN Interface Types
WAN Family ifType
 Isdn
 25lapb16 X25ple40 X25mlp121 X25huntGroup122
 Key Considerations
 Using 3COM Network Director on a MULTI-SITE Network
 Topology The NBX Call Processors, line cards and phones are
Solutions
Provides the following features
Displayed on the 3Com Network Director network map
 NBX Map Icons
Icons
Shows the different types of icons and their meaning
Device Type Icon Example
 NBX Call Processor
Line Cards
 NBX Phones and Attendant Consoles
NBX Applications
 Discovering the NBX Voice Network
 NBX Call Processors step displays the following settings
NBX Call Processors Step of the Network Discovery Wizard
 Add NBX Call Processor/Modify NBX Call Processor
Add NBX Call Processor
 Modify NBX Call Processor
 Monitoring the NBX Call Processor
Monitoring a Phone
 Selecting the Phones Associated with an NBX Call Processor
Monitoring a Line Card
 Context Menu for the NBX Call Processor
 Context Menu for the Phone or Line Card
 Understanding Voice-related 3Com Network Director Events
Events related to the NBX Call Processor
 Events related to phones
Events related to other links or devices on the network
 Launching NetSet for a phone or line card
 Stop Working
When my Phones
To be informed immediately when any of the phones become
Unavailable
 Useful Information References
 There is no NBX Call Processor associated with my phone
There is no NBX Call Processor associated with this device
 Phone is not managed by the NBX Call Processor anymore
Display of end stations in the map has been disabled
Phone was added manually
 NBX Support
 Key Considerations
 Why are there a lot of unconnected phones on the map?
Phone was removed from the network
 Phone cannot be reached
 How do I change the label of a phone or line card?
 Device from which it originated or to a replacement device
You can use Backup, Restore and Setup to
Save the software configuration of your 3Com devices
Same type
 Source device it is replacing
Backup feature is designed to help you store the software
Physical Configuration Devices
 Wizard
Device Backup
Backup Type Step
 Device Backup Wizard Backup Type
 Specify Devices to Backup Step
Specify Telnet Login Information Step
 Username and password may be left blank
Backup Identification Step
 Device Backup Wizard Backup Identification
 Scheduled Tasks
Summary Step and Progress
 Reports Backup Summary Report
 Backup Audit Report
Backup Audit report lists the following
 No Backups Found Step
 Device Restore Wizard No Backups Found
Specify Device Being Replaced Step
 Specify Backup to Use Step
 Device Restore Wizard Specify Backup To Use
 Summary Step and Progress
 Backing UP Device Configurations
 Configuration Source Type Step
Specify Source Device Step
 Specify Source Backup Step
Device Setup Wizard Specify Source Device
 Specify Devices to Setup Step
Device Setup Wizard Specify Source Backup
 Device Setup Wizard Specify Devices To Setup
 Device Setup Wizard Summary
 Backing UP Device Configurations
 Scheduling a Device Backup Operation
Backup Identification Example
 Scheduling Example
 Examples
 Specify Device Being Replaced Example
 Specify Source Device Example
 Backing UP Device Configurations
 Shown in Backup, Restore and Setup on
 Supported Parameters by Device Family
Device Family Supported Parameters
 Backup File Content by Device Family
Device Family Content of Backup File Body Section
 Install LOCATION\backups\lost
 Key Considerations
 Backing UP Device Configurations
 Existing devices
Manages the download of these files
Advantage of the latest bug-fixes and device support
Latest 3Com Product News notifies you of new 3Com products
 This section describes the keys concepts of Live Update
 Live Update Setup
Connection Type Step
 Use Custom Settings Step
 Live Update Setup Wizard Use Custom Settings Step
 Live Update Setup Wizard Summary Step
 Click Finish to connect to the Internet
Box
 Live Update Select File Groups
Status
 Table consists of three columns as follows
 Live Update Select File Groups Group Name
File Group Details
 Download Progress
 Live Update
 Options Internet
 Live Update
 To view the report Select the Tools Reports menu option
 Examples
 File Group Details Example
 Automatic Configuration Example
Click OK to validate the changes
 Solution 2 Manual Configuration using the Options Dialog Box
 Live Update
 Proxy Settings are not Retrieved
 Click OK to validate the settings
 Key Considerations
 Live Update
 Versions
Device Type Minimum Agent Version
 Vlan Configuration
Device Type Version
 Setup are shown in Table
Agent Versions
 Restrictions Backing Up and Restoring 3Com Devices
 Backup, Restore and Setup
 Appendix a Supported Devices
 Shows the devices that are supported by the Agent Update
Agent Update Supported 3Com Devices and Minimum Agent
 Restrictions Updating 3Com Agent Software
 Agent Update
 Appendix a Supported Devices
 Rmon
Rmon Supported 3Com Devices
 Supported Devices
Devices supported by Device View are listed below
Device View Supported Devices
 Device View
 Router Manager Supported Devices
Switch Manager Supported Devices
Device Warranty Supported Devices
 Device Warranty
 Compatibility issues with 3Com Network Director
On the Network Director map as Generic IP devices
 3COM Device View
 Management features that are available
Support Matrix
 Management Support Matrix
 PWR
 Support information
Registration, Repair Services, and Service Request
Technical solutions written by 3Com support engineers
You will find support tools posted on the 3Com web site at
 From 3Com or your reseller
Diagnostic error messages
Details about recent configuration changes, if applicable
Benefits, you must first register your product at
 Telephone Technical Support and Repair
 US and Canada Telephone Technical Support and Repair
 System Requirements
 Allow approximately 2Mb per device for data logging
 Report Examples
 Example
Discovery Report
 Segment configuration of the following devices could not be
Vlan configuration of the following devices could not be
Following devices have been configured into multiple
Following devices stopped responding while 3Com Network
 Appendix E Report Examples
 Listings of the devices are provided as described
Device Learned On Learned By Multiple Ports Ports Learned On
 Network Configuration
 Network Configuration
 Misconfigurations Optimizations Report
 Misconfigurations and Optimizations Report
 Appendix E Report Examples
 Configure aggregated links using Lacp
 Misconfiguration and Optimization Reports
Web Cache Redirection
 Misconfigurations and Optimizations Report
 Appendix E Report Examples
 Misconfigurations and Optimizations Report
 Appendix E Report Examples
 Misconfigurations and Optimizations Report
 Unable to Confirm Webcache Mode Changed
Successful Configuration
Unsuccessful Configuration
Unable to Determine Traffic Server Status
 Unable to Restart Webcache Traffic Server
Cache Mode Not Changed
Traffic Server Restart Already Under Way
 Webcache Software Releases
Limitations Webcache Redirection and VLANs
Redirection on the Cache Port
Restarting Webcache Traffic Server
 3rd Party Devices
Report Section Combinations
 Appendix E Report Examples
 Where the fields are as follows
Adding Trap Decodes
 RemedyRemedy Text/remedy
 885
 Appendix F Adding Trap Decodes
 Translations
 000102 3Com 3COM Corporation
 889
 Appendix G Adding MAC Address Vendor Translations
 Integrating AN SSH Client
Locate the following file on your disk
 MyClient -ip %1% -verbose
 Index
 Backup summary report
 Broadcast storm control configuring
 490
 386
Page
Page
 Internal 321
 Examples
 Deleted events
 How backup files are discarded discarding backup files
 Map 204 Links Finding 197
Page
 Files 64
 NBX
 New
Page
 Properties dialog box 229
 786 Backup summary Changes 133
Page
 Backup 783 Search
 Support for Rmon 407 supported 3Com devices
 Third party devices 142 threshold settings dialog box
 Viewing VLANs 188 499 Visio
 General concepts 500
Page
 3COM END User Software License Agreement
 Governing LAW