Document Outline

• 3Com® Baseline Switch 2250 Plus User Guide
• Contents
• About This Guide
  • Conventions
  • Related Documentation
  • Documentation Comments
• Introducing the Baseline Switch
  • Overview of the Baseline Switch 2250 Plus
  • Features and Capabilities
    • Autosensing of MDI/MDIX Connections
    • Autonegotiating 10/100 Mbps Ports
    • SFP Ports
    • Traffic Prioritization
    • Forwarding of BPDU Packets
  • Physical Features
    • Front Panel
    • Rear Panel
  • Package Contents
• Installing the Switch
  • Before You Begin
  • Positioning the Switch
  • Aufstellen des Switch
  • Rack-Mounting or Free-Standing
    • Using the Mounting Kit
    • Montagesatz Anweisungen
    • Placing Units On Top of Each Other
  • Supplying Power to the Switch
    • Checking for Correct Operation
  • Connecting a Network Device
  • Using SFP Transceivers
    • Approved SFP Transceivers
    • Inserting an SFP Transceiver
    • Removing an SFP Transceiver
  • Performing Spot Checks
• Connecting to the Web Interface
  • Requirements for Accessing the Web Interface
  • Running the Discovery Application
  • Logging On to the Web Interface
  • Navigating the Web Interface
    • Menu
    • Buttons
  • Accessing the Interface Without Using Discovery
    • DHCP Assigned IP Address
    • Manually Assigned (Static) IP Address
• Configuring the Switch
  • Configuration Overview
  • Device Summary Information
  • Administration Settings
    • Modifying the IP Address Settings
    • Automatic IP Configuration
    • IP Setup
    • Backup Configuration
    • Restore Configuration
    • Firmware Upgrade
    • Initialize
    • Reboot
    • System Access
    • System Time
    • SNMP
  • Configuring VLANs
    • VLAN
    • Forwarding Tagged/Untagged Frames
    • Sample VLAN Configurations
    • Spanning Tree
    • IGMP Snooping
    • IGMP Query
    • Broadcast Storm
  • Configuring Port Settings
    • Administration
    • Speed/Duplex for 1000 Mbps Connections
    • Link Aggregation
    • Spanning Tree per Port
    • Port Mirroring
  • QoS VoIP Traffic Settings
  • Security
    • RADIUS Client
    • 802.1X Settings
  • Monitoring
    • Address Table
    • Cable Diagnostics
• Troubleshooting
  • Resetting to Factory Defaults
  • Forgotten Password
  • Forgotten Static IP Address
  • Solving LED Issues
  • If the Problem Persists
• Obtaining Support for Your Product
  • Register Your Product
  • Purchase Value-Added Services
  • Troubleshoot Online
  • Access Software Downloads
  • Telephone Technical Support and Repair
  • Contact Us
• Safety Information
  • Important Safety Information
• Technical Information
  • Related Standards
    • Environmental
    • Physical
    • Electrical
• Glossary
• Index
• Regulatory Notices