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292CHAPTER 7: MONITORING THE NETWORK

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3Com Network Director User Guide 3C15500 3Com Corporation Campus Drive Marlborough MA USA United States Government LegendPage Page Contents Product Activation Main Window Discovering the Network Monitoring Logging VLANs Other Clouds 103 110124 Summary Pane 126 128 166 167 Clouds 143158 Device Icons Pull-Right Menu for Devices 161 193 217 225 Files Associated with Saved Maps 226 Network Login 241242 Properties Dialog Box for a Subnet 244 245 Overview 282 Showing Thresholds 289 290 Exporting a Graph Zooming into a Graph 291300 321 343 325 Alerts337 364 Attaching Alerts to Items 366 Configuring Alerts 369 Examples Viewing the Unresolved Events for a Subnet 370371 378 383 No Graph Available for an Event 383395 Mapping file format 400 What is Rmon 404 404 History Host 405405 Matrix 406 425 471 455458 Configuring Single Devices Vlan Management 497 Useful Information and References 569 550568 Configuring Access Rights 596 Configuring Trusted IP Hosts Configuring the Device as a Radius ClientReference C 584 Editing Device and Port Selections 648 635 Applications Step 636 Application Field Values 637644 Prioritizing a Video Conferencing Application 645 652 DiffServ Codepoint Field Servers That Cannot be Selected for Blocking 660661 662 Overview Key Concepts 681 Multi-Site Networks 676Agent Image Filenames NBX Support 768 Useful Information and References 769 NBX system 770 NBX NetSet Key Considerations Troubleshooting761 Monitoring a Phone Monitoring a Line Card 762 784 Device Backup Events 789 Specify Telnet Login Information Step 790792 Restore Summary Report Setup Components 787 Specify Device Being Replaced Step 788 Configuration Source Type Step 793 793 Specify Source Backup Step 794Why Errors can Occur during Restore and Setup 809 795 3C OM D Evice V IEW About Device View 852 Management Support Matrix Register Your Product to Gain Service Benefits 855Page Page About this Guide List conventions that are used throughout this guide Text ConventionsIcon Description 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 devicesDisplayed which enables you to Discovery Type Step Specify Subnets StepMonitor Core Devices and Links Step Community Strings Step Coexistence with 3Com Network Director Scheduled Discovery StepSummary Step Using saved Network Supervisor maps Using saved 3Com Network Supervisor files Device Warranty feature Network Monitoring Main WindowNetwork Discovery Main Features For more information, see Bulk Configuration on For more information, see Upgrading Device Software on Main Features Getting Started Describes how to activate 3Com Network Director Customer support for 3Com Network Director for the durationRelating to both this and other associated products This chapter covers the following topics This number when it is first installed ProcessProduct Number the part number of your software, which 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 US, Canada and Latin America Outside US, Canada and Latin AmericaActivating 3Com 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 windowDescribes 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 You have a query about an aspect of 3Com Network Director NumberActivation Key Activation key About Dialog Box License Number About your network Process and the steps you can take to overcome them This chapter. This section explains the key concepts behind Discovery process itselfStages. The main concepts associated with these operations Associated stages are outlined in this section as follows Device Capability Detection Purpose of each stage is described belowIP Ping End Station Type Recognition IP to MAC ResolutionSnmp Type Detection NBX Phone Detection DNS Name ResolutionWeb Type Recognition Device Sizing Sizing stage Spanning Tree stage Remote Poll Stage broadcast ARP Remote Poll Stage directed pings Device Resolution StageInitial Endstation stage Clouds Unknown Topology Outstanding end station stageTree 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 listRemoving 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 UpdatesMidnight? 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 SectionDiscovered 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 IconsDevice Icon Description 3Com Wireless LAN Access Point Pull-Right Menu for Devices End Station IconsDevices Pull-Right Menu Options 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 LinksPhysical Link Annotations Physical Links Menu Options Spanning Tree Protocol SupportPull-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 GroupsGrouping 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 TranslationTooltip 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 TreeSelecting Multiple Map Items in the Currently Viewed Map Selecting Multiple Items in the Tree Selecting Multiple Map Items Zoom Selection and the Pull-Right MenuPanning Zoom out Fit toToolbar Zoom Buttons 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 BackgroundTitle 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 For example Searching Within the Search ResultsWildcard Characters Wildcard Matches Option Description Using the Find Dialog Box to Select Items for OperationsFinding 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 Following section provides some examples of how to perform Common tasks with the map and treeNetwork 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 NBX Network Telephony Solution 3Com Switch3Com Wireless Access Points Tree Saved Map Files Filename ContentsFiles Associated with Saved Maps FilenameContents Network Login Dialog box DiscoveredIt allows you to Items on the network map Items on network Items Supported by the Properties Dialog BoxSee 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 SubnetTabs 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 TableConnection Tabs available for a Layer-3 Connection Tabs available for a link to a subnet are shown in TableSelection 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 ariseNetwork 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 NetworkEnabling 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 MaintainedMonitor 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 EventsCritical Severity Color Severity Event Severity ColorsEvent 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 ContentsFollowing table details the columns used in the Events list File Menu Item Hot Key Operation Events ToolbarEvents Menu Event Menu Edit Menu Item Hot Key OperationView 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 FilterSeverity Filter Last number of days Filter Resolved Filter Deleted Events Filter Description FilterComment 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 Alerts System OverviewAttach Alerts Dialog 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 Events List Update Was Stopped Match the configured filterNo Events 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 Link monitors Device MonitorsData Source Usage 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 switches/hubs Filename, Switch1 MAC address, Switch2 MAC addressLinks between a switch/hub and an end station/cloud 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 updatingChanging the logging data directory Missing data within RRD database files Key Considerations Performance Reporting Rmon Standard Support provided by 3Com Network Director StatisticsHistory 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 menuHelp Menu Additional Features Toolbar Buttons There are three ways to control the display of rows Table ViewTable Control Dialog Box Viewing Rmon Statistics data for a selected device Graph ViewViewing 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 Community String ViewPredefined Views 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 Properties to use in your own command line scripts Types are also availableInventory Report 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 Report types Further detailsAssessing Network 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 Web Management launches your default web browser against a Administration Menu contains integrated add-on 3Com deviceDevices on your network for any applicable warranty Device selected in the network map Devices using 3Com Network Director 3Com Switch Manager Switch Manager is the element manager of the SwitchNetwork Jack Configuration Manager 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 wizardView Examples Select the Tools Device Warranty menu option Why are some registered devices missing from the email? Configuring Single Devices Configured on your Configuring VLANsViewing the VLANs On your network Concepts About VLANs Key ConceptsGeneral Vlan Network Setup Showing Three VLANs Benefits of VLANs Port-based VLANs 802.1Q VLANsIeee 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 WhereShow 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 linkInconsistent 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 Changes report Vlan configuration consists Vlan configuration and Display by Device TypeDevice Type Vlan Display Vlan Configuration Reference a Reference B Maximum number of VLANs by 3Com deviceMaximum Number 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 operation3Com devices on the network Configuration Templates Selection Configuration Editor Dialog Box Configuration Summary Tree Features Switch Device configuration templateSwitch Port 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 AccountsUser 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 InformationRadius 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 networkDropped 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 markingDiffServ 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 TrafficNBX Phone Traffic Classifier Rules Service Level Queue Marking Value Queue Device 802.1p 3Com Network Director Service LevelsService 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 You can use the Agent Update feature to Upgrade or downgrade the agent software on individual 3ComAgent software available to you 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 Troubleshooting Device ProblemsUpdate 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 Solutions Provides the following featuresTopology The NBX Call Processors, line cards and phones are Displayed on the 3Com Network Director network map Icons Shows the different types of icons and their meaningNBX Map Icons 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 When my Phones To be informed immediately when any of the phones becomeStop Working 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 disabledPhone 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? You can use Backup, Restore and Setup to Save the software configuration of your 3Com devicesDevice from which it originated or to a replacement device Same type Source device it is replacing Backup feature is designed to help you store the softwarePhysical Configuration Devices Wizard Device BackupBackup 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 Manages the download of these files Advantage of the latest bug-fixes and device supportExisting devices 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 belowDevice View Supported Devices Device View Router Manager Supported Devices Switch Manager Supported DevicesDevice 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 Registration, Repair Services, and Service Request Technical solutions written by 3Com support engineersSupport information You will find support tools posted on the 3Com web site at Diagnostic error messages Details about recent configuration changes, if applicableFrom 3Com or your reseller 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 Vlan configuration of the following devices could not be Following devices have been configured into multipleSegment configuration of the following devices could not be 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 Successful Configuration Unsuccessful ConfigurationUnable to Confirm Webcache Mode Changed Unable to Determine Traffic Server Status Unable to Restart Webcache Traffic Server Cache Mode Not ChangedTraffic Server Restart Already Under Way Limitations Webcache Redirection and VLANs Redirection on the Cache PortWebcache Software Releases 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