3Com 3CRDSF9PWR-US - OfficeConnect Managed Fast Ethernet PoE Switch - MANAGING DEVICE DIAGNOSTICS

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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

■ Configuring Cable Diagnostics

■ Pinging Another Device

Main Page

Default Chapter1
- Default Chapter1
  - User Guide1
- About this Guide3
Getting Started15
- About the Officeconnect Managed Fast Ethernet Poe Switch16
  - Summary of Hardware Features16
- Front Panel Detail17
- LED Status Indicators18
- System Specifications19
  - Approved SFP Transceivers19
- Installing the Switch20
- Setting up for Management21
- Methods of Managing a Switch21
- Switch Setup Overview23
  - IP Configuration25
- Using the Command Line Interface (CLI)26
- Setting up Web Interface Management30
  - Web Management over the Network31
- Setting up Command Line Interface Management31
  - CLI Management Via the Console Port31
  - CLI Management over the Network32
- Setting up SNMP Management V1 or V232
- Default Users and Passwords33
  - Changing Default Passwords33
- Upgrading Software Using the CLI33
Using the 3C Om Web Interface35
- Starting the 3Com Web Interface36
  - Multi-Session Web Connections36
  - Accessing the 3Com Web Interface37
- Understanding the 3Com Web Interface38
  - Device Representation40
  - Using the 3Com Web Interface Management Buttons40
- Using Screen and Table Options41
- Saving the Configuration44
- Resetting the Device45
- Restoring Factory Defaults47
- Logging off the Device48
Viewing Basic Settings49
- Viewing Device Settings50
- Configuring the Polling Interval51
- Viewing Color Keys52
Managing Device Security53
- Configuring System Access54
- Defining RADIUS Clients59
- Defining Port-Based Authentication (802.1X)61
  - Viewing 802.1X Authentication62
  - Defining 802.1X Authentication64
- Defining Local Database Authentication66
- Encrypting Connection to the Web Interface (HTTPS)74
- Using the Secure Shell Protocol (SSH)79
  - Displaying the SSH Key80
  - Generating the SSH Key81
- Defining Access Control Lists82
- Using Broadcast Storm Control98
  - Displaying Broadcast Storm Control Settings99
  - Configuring Broadcast Storm Control100
Managing System Information103
- Viewing System Description104
- Defining System Settings106
  - Configuring the System Name107
  - Configuring System Time108
- Saving the Device Configuration110
- Resetting the Device111
Configuring Ports113
- Viewing Port Settings114
- Defining Port Settings116
  - Viewing Port Details118
- Aggregating Ports121
- Configuring Vlans131
- Configuring Ip and Mac Address Information141
Configuring Igmp Snooping151
- Defining IGMP Snooping and Query152
Configuring Spanning Tree155
- Viewing Spanning Tree156
- Defining Global Settings for Spanning Tree158
- Defining Port Settings for Spanning Tree160
Configuring Snmp163
- Setting SNMP Agent Status164
- Defining SNMP Communities and Traps165
- Removing SNMP Communities or Traps167
Configuring Quality of Service169
- Viewing Cos Settings170
- Defining Cos170
- Defining the Queue Mode172
- Viewing Cos to Queue Mapping173
- Defining Cos to Queue Mapping174
- Viewing DSCP to Cos Mapping175
- Configuring DSCP to Cos Mapping176
- Configuring Trust Settings177
- Viewing Bandwidth Settings178
- Defining Bandwidth Settings180
- Configuring Voice VLAN182
Managing System Files193
- Backing up System Files195
- Restoring Files196
- Restoring the Software Image197
Managing Power over Ethernet Devices199
- Viewing Poe Settings200
- Defining Poe Settings202
Managing System Logs206
- Viewing Logs206
- Configuring Logging207
Viewing Statistics209
- Viewing Port Statistics210
Managing Device Diagnostics215
- Configuring Port Mirroring216
  - Defining Port Mirroring217
  - Removing Port Mirroring219
- Configuring Cable Diagnostics220
  - Viewing Cable Diagnostics220
  - Defining Cable Diagnostics221
- Pinging Another Device223
- Network Management225
B Device Specifications Andfeatures229
- Related Standards229
- Environmental229
- Physical229
- Electrical230
- Switch Features230
In Uts235
- Null Modem Cable235
- PC-AT Serial Cable235
- Modem Cable236
- Ethernet Port RJ-45 Pin Assignments236
Troubleshooting239
- Problem Management239
- Troubleshooting Solutions239
- Fail Safe Commands241
Lossary243
F Obtainingsupportforyour3Comproducts249
- Upport for249
- Register Your Product to Gain Service Benefits249
- Ttroubleshoot Online249
- Purchase Extended Warranty and Professional Services250
- Access Software Downloads250
- Telephone Technical Support and Repair250
- Contact Us251
Regulatory255

3Com 3CRDSF9PWR-US - OfficeConnect Managed Fast Ethernet PoE Switch - MANAGING DEVICE DIAGNOSTICS

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