3Com 2250 A

AOBTAINING SUPPORT FOR YOUR PRODUCT

Register Your Product

Warranty and other service benefits start from the

date of purchase, so it is important to register your

product quickly to ensure you get full use of the war-

ranty and other service benefits available to you.

Warranty and other service benefits are enabled

through product registration. Register your product at

http://eSupport.3com.com/. 3Com eSupport

services are based on accounts that you create or

have authorization to access. First time users must

apply for a user name and password that provides

access to a number of eSupport features including

Product Registration, Repair Services, and Service

Request. If you have trouble registering your product,

please contact 3Com Global Services for assistance.

Purchase Value-Added Services

To enhance response times or extend warranty bene-

fits, contact 3Com or your authorized 3Com reseller.

Value-added services like 3Com ExpressSM and Guard-

ianSM can include 24x7 telephone technical support,

software upgrades, onsite assistance or advance

hardware replacement. Experienced engineers are

available to manage your installation with minimal

disruption to your network. Expert assessment and

implementation services are offered to fill resource

gaps and ensure the success of your networking

projects. More information on 3Com maintenance

and Professional Services is available at

http://www.3com.com/

Contact your authorized 3Com reseller or 3Com for a

complete list of the value-added services available in

your area.

Troubleshoot Online

You will find support tools posted on the 3Com web

site at http://www.3com.com/

3Com Knowledgebase helps you troubleshoot

3Com products. This query-based interactive tool is

located at http://knowledgebase.3com.com and

contains thousands of technical solutions written by

3Com support engineers.

Access Software Downloads

Software Updates are the bug fix / maintenance

releases for the version of software initially purchased

with the product. In order to access these Software

Updates you must first register your product on the

3Com web site at http://eSupport.3com.com/.

First time users will need to apply for a user name and

password. A link to software downloads can be

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)