3Com 2924-PWR - 18 Managing Device Diagnostics; Configuring Port Mirroring

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MANAGING DEVICE DIAGNOSTICS

This section contains information for viewing and configuring port and

cable diagnostics, and includes the following topics:

■ Configuring Port Mirroring

■ Viewing Cable Diagnostics

Main Page

Default Chapter3
- This Guide3
- User Guide Overview3
- Intended Audience5
- Conventions5
- Related Documentation5
- Table of Contents6
Getting Started13
- About the Switch 2924-PWR14
  - Summary of Hardware Features14
- Front Panel Detail15
- LED Status Indicators16
- System Specifications17
- Installing the Switch18
- Setting up for Management19
- Methods of Managing a Switch19
  - Web Interface Management19
  - SNMP Management20
- Switch Setup Overview20
  - Switch Setup Overview21
  - IP Configuration22
- Using the Command Line Interface (CLI)23
- Setting up Web Interface Management27
  - Web Management over the Network28
- Setting up SNMP Management V1 or V228
- Default Users and Passwords29
- Upgrading Software Using the CLI29
Using the 3C Om Web Interface30
- Starting the 3Com Web Interface31
  - Multi-Session Web Connections31
  - Accessing the 3Com Web Interface32
- Understanding the 3Com Web Interface33
  - Device Representation35
  - Using the 3Com Web Interface Management Buttons35
- Using Screen and Table Options36
- Saving the Configuration40
- Resetting the Device41
- Restoring Factory Defaults43
- Logging off the Device44
Viewing Basic Settings45
- Viewing Device Settings46
- Viewing Color Keys48
Managing Device Security49
- Configuring System Access50
- Defining RADIUS Clients55
- Defining Port-Based Authentication (802.1X)57
  - Viewing 802.1X Authentication58
  - Defining 802.1X Authentication60
- Defining Access Control Lists62
- Enabling Broadcast Storm86
Managing System Information88
- Viewing System Description89
- Defining System Settings91
- Configuring System Name92
- Configuring System Time93
- Saving the Device Configuration96
- Resetting the Device97
Configuring Ports98
- Viewing Port Settings99
- Defining Port Settings102
- Viewing Port Details104
Aggregating Ports106
- Viewing Link Aggregation107
- Configuring Link Aggregation107
- Modifying Link Aggregation110
- Removing Link Aggregation112
- Viewing LACP113
- Modifying LACP114
Configuring Vlans116
- Viewing VLAN Details117
- Viewing VLAN Port Details118
- Creating Vlans119
- Modifying VLAN Settings121
- Modifying Port VLAN Settings123
- Removing Vlans124
- Configuring Ip and Mac Address Information125
Configuring Igmp Snooping143
- Defining IGMP Snooping144
Configuring Spanning Tree146
- Viewing Spanning Tree147
- Defining Spanning Tree150
- Modifying Spanning Tree153
Configuring Snmp155
- Defining SNMP Communities156
- Removing SNMP Communities158
- Defining SNMP Traps159
- Removing SNMP Traps160
Configuring Quality of Service162
- Viewing Cos Settings163
- Defining Cos164
- Viewing Cos to Queue165
- Defining Cos to Queue165
- Viewing DSCP to Queue167
- Configuring DSCP Queue168
- Configuring Trust Settings169
- Viewing Bandwidth Settings170
- Defining Bandwidth Settings172
- Defining Voice VLAN174
Managing System Files184
- Backing up System Files186
- Restoring Files187
- Restore the Software Image188
- Activating Image Files189
Managing Power over Ethernet Devices190
- Viewing Poe Settings191
- Defining Poe Settings193
Managing System Logs196
- Viewing Logs196
- Configuring Logging197
Viewing Statistics200
- Viewing Port Statistics201
Managing Device Diagnostics204
- Configuring Port Mirroring205
A 3Com Network Management212
- 3Com Network Supervisor212
- 3Com Network Director213
- 3Com Network Access Manager213
- 3Com Enterprise Management Suite214
- Integration Kit with HP Openview Network Node Manager214
  - Pecifications and215
B Device Specifications Andfeatures215
- Related Standards215
- Environmental215
- Physical215
- Electrical216
- Switch Features216
In Uts221
- Null Modem Cable221
- PC-AT Serial Cable221
- Modem Cable222
- Ethernet Port RJ-45 Pin Assignments222
Troubleshooting224
- Problem Management224
- Troubleshooting Solutions224
E 3C Om Cli Reference Guide227
- Getting Started with the Command Line Interface227
- CLI Commands228
Glossary238
- Upport for244
- Register Your Product to Gain Service Benefits244
- Solve Problems Online244
- Purchase Extended Warranty and Professional Services244
- Access Software Downloads245
- Contact Us245
  - Telephone Technical Support and Repair245
Regulatory Notices248

3Com 2924-PWR - 18 Managing Device Diagnostics; Configuring Port Mirroring

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