3Com 2250 C

CONTENTS

ABOUT THIS GUIDE

Conventions 5

Related Documentation 6

Documentation Comments 6

1INTRODUCING THE BASELINE SWITCH

Overview of the Baseline Switch 2250 Plus 7

Features and Capabilities 7

Autosensing of MDI/MDIX Connections 7

Autonegotiating 10/100 Mbps Ports 7

SFP Ports 8

Traffic Prioritization 8

Forwarding of BPDU Packets 8

Physical Features 9

Front Panel 9

Rear Panel 12

Package Contents 12

2INSTALLING THE SWITCH

Before You Begin 13

Positioning the Switch 13

Aufstellen des Switch 14

Rack-Mounting or Free-Standing 14

Using the Mounting Kit 14

Montagesatz Anweisungen 15

Placing Units On Top of Each Other 15

Supplying Power to the Switch 16

Checking for Correct Operation 16

Connecting a Network Device 17

Using SFP Transceivers 18

Approved SFP Transceivers 18

Inserting an SFP Transceiver 18

Removing an SFP Transceiver 19

Performing Spot Checks 19

3CONNECTING TO THE WEB INTERFACE

Requirements for Accessing the Web Interface 21

Running the Discovery Application 21

Logging On to the Web Interface 22

Navigating the Web Interface 23

Menu 23

Buttons 24

Port Status 24

Accessing the Interface Without Using Discovery 24

DHCP Assigned IP Address 25

Manually Assigned (Static) IP Address 25

4CONFIGURING THE SWITCH

Configuration Overview 27

Viewing Summary Information 27

Changing the Admin Password 28

Modifying the IP Address Settings 29

Automatic IP Configuration 29

Contents

Main 3Com Corporation 350 Campus Drive Marlborough MA USA 01752-3064 C A BOUT T HIS G 1 2 3 5 A B C G I R EGULATORY N ABOUT THIS GUIDE Conventions Related Documentation Documentation Comments 1 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 Page Physical Features 11 Rear Panel Package Contents 2 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 Page 3 Requirements for Accessing the Web Interface Running the Discovery Application Logging On to the Web Interface Navigating the Web Interface Buttons Port Status Accessing the Interface Without Using Discovery DHCP Assigned IP Address Manually Assigned (Static) IP Address Page 4 Configuration Overview Viewing Summary Information Changing the Admin Password Modifying the IP Address Settings Automatic IP Configuration 30 CHAPTER 4: CONFIGURING THE SWITCH Setting the IP Address To set the IP address for the Switch: are listed in Tab le 9. 1Click IP Settings on the menu. The IP Settings screen appears. Configuring Port Settings Basic Port Configuration Advanced Port Configuration Default Port Settings Configuring VLANs Creating a VLAN Deleting VLANs Modifying VLANs Defining VLAN Membership Sample VLAN Configurations Page Configuring Trunking Guidelines for Creating Trunks Creating, Modifying, and Deleting Trunks Defining Trunk Membership Viewing Trunk Information Monitoring Traffic Using the System Tools Restarting the Switch Resetting and Backing Up/Restoring Configuration Upgrading the System Software Configuring the Spanning Tree 802.1p Prioritization Page 5 Resetting to Factory Defaults Forgotten Password Forgotten Static IP Address Solving LED Issues If the Problem Persists Page A Register Your Product Purchase Value-Added Services Troubleshoot Online Access Software Downloads Telephone Technical Support and Repair Contact Us Contact Us 49 . Latin America Telephone Technical Support and Repair 50 APPENDIX A: OBTAINING SUPPORT FOR YOUR PRODUCT B Important Safety Information France and Peru Only Power Cord Set Consignes Importantes de Scurit France et Prou Uniquement Cordon lectrique Wichtige Sicherheitshinweise Informationen Stromkabel Page Page C Related Standards Electrical Environmental The 3Com Baseline Switch 2250 Plus has been designed to the following standards: Page G Page Page Page Page Page I Numbers A B C R S T U V REGULATORY NOTICES VCCI S FCC S INFORMATION TO THE USER CE STATEMENT (EUROPE)