3Com 2250-SFP, 2226-SFP, 2426-PWR manual About this Guide, Conventions

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ABOUT THIS GUIDE

This guide describes how to install your 3Com Switch and perform initial management configurations. It covers the following switches:

Baseline Switch 2226-SFP Plus (3CBLSF26)

Baseline Switch 2426-PWR Plus (3CBLSF26PWR)

Baseline Switch 2250-SFP Plus (3CBLSF50)

Unless noted otherwise, the features, specifications and procedures described hereafter are shared by all the switch models covered in this guide. Device drawings, screen captures and command line interface examples are based on the 3CBLSF26PWR model. Where features vary significantly between the switches, examples are provided for each.

This guide is intended for use by those responsible for installing and setting up network equipment; consequently, it assumes a basic working knowledge of LANs (Local Area Networks).

Diese Anleitung ist für die Benutzung durch Netzwerkadministratoren vorgesehen, die für die Installation und Einstellung von Netzwerkkomponenten verantwortlich sind; Erfahrung bei der Arbeit mit LANs (Local Area Networks) ist vorausgesetzt.

If release notes are shipped with your product and the information there differs from the information in this guide, follow the instructions in the release notes.

Most user guides and release notes are available in Adobe Acrobat Reader Portable Document Format (PDF) or HTML on the 3Com World Wide Web site:

www.3Com.com

Conventions

Table 1 and Table 2 list conventions that are used throughout this guide.

Table 1 Notice Icons

Icon

Notice Type

Description

 

 

 

 

Information note

Information that describes

 

 

important features or instructions

 

 

 

 

Caution

Information that alerts you to

 

 

potential loss of data or potential

 

 

damage to an application, system,

 

 

or device

 

 

 

 

Warning

Information that alerts you to

 

 

potential personal injury

 

 

 

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Contents Installation and User Guide 3Com Corporation 350 Campus Drive Marlborough MA Contents Snmp 3COM CLI Reference Guide Page Conventions About this GuideProduct Registration Documentation CommentsAutonegotiating 10/100 Mbps Ports Overview of the Baseline SwitchFeatures and Capabilities Autosensing of MDI/MDIX ConnectionsPower-over-Ethernet Capability Physical FeaturesGigabit Combo Ports RJ-45/SFP RJ-45 10/100 Ports Front PanelGigabit Combo Ports RJ-45/SFP 10/100BASE-TX Link/Activity Status LEDs SFP Mode Rear Panel Power LEDPackage Contents Important Safety Information Installing the SwitchImportante Avviso di Sicurezza Positioning the SwitchRack-Mounting or Free-Standing Using the Mounting KitMontagesatz Anweisungen Supplying Power to the SwitchPlacing Units On Top of Each Other Status Meaning Checking for Correct OperationApproved SFP Transceivers Using SFP TranceiversInserting an SFP Transceiver Removing an SFP Transceiver Performing Spot ChecksRefer to Troubleshooting on Using the Console Command Line Interface CLI Requirements for Accessing the Web InterfaceCLI Summary with Default IP Address CLI Summary with Assigned IP Address Logging On to the Web InterfaceMenu Navigating the Web InterfaceMenu Item Description Snmp Port Status Buttons3Com Switch Detect Welcome Screen Running the 3Com Switch Detect Application3Com Switch Detect Search Screen Connecting to the WEB Interface Device Summary Information Configuration OverviewPolling Interval Device ViewColor Key Administration SettingsModifying the IP Address Settings Automatic IP ConfigurationBackup Configuration IP SetupFirmware Upgrade Restore ConfigurationInitialize, keep IP setting ResetSystem Access RebootCreate User User SummaryRemove User Modify UserSystem Name SetupSystem Time Snmp Add Configuring VLANsSnmp Remove Vlan Modify Vlan Setup ScreenRename Modify PortPort Detail RemoveForwarding Tagged/Untagged Frames Sample Vlan ConfigurationsVlan Detail Setting Up Vlan Across Two Switches Setting Up Two VLANs on the Same SwitchSpanning Tree Tagged Vlan ConfigurationSpanning Tree Summary Screen SummarySpanning Tree Setup Screen Port SetupIgmp Snooping & Query Spanning Tree Port Setup ScreenBroadcast Storm Summary Screen Broadcast StormModify QoS VoIP Traffic SettingsQoS VoIP Setup Screen OUI Add OUI SummaryQoS OUI Modify Screen PoE 3CBLSF26-PWR onlyAdministration Configuring Port SettingsDetail Port Administration Summary ScreenSpeed/Duplex for 1000 Mbps Connections Port Administration Setup ScreenGuidelines for Creating Trunks Link AggregationLink Aggregation Summary Screen CreateUse the Remove tab to delete a link aggregation group Statistics SecurityRadius Client Configure 802.1X Settings802.1X Summary Screen Address Table MonitoringPort Summary Port MirroringUse the Setup tab to create a port mirror session Cable Diagnostic Summary Screen Cable DiagnosticsCable Diagnostic Screen DiagnosticsConfiguring the Switch from the WEB Interface Resetting to Factory Defaults TroubleshootingForgotten Static IP Address Solving LED IssuesFiber cable is connected, but the Module Active LED is off Link/Activity LED is on, but network performance is poor If the Problem PersistsAll ports appear to show continual activity Troubleshooting Troubleshoot Online Access Software Downloads Purchase Value-Added ServicesRegister Your Product Contact Us Telephone Technical Support and RepairCountry Telephone Number Latsupportanc@3com.com Electrical 3CBLSF26 Related StandardsEnvironmental Physical3CBLSF26PWR Related Standards Electrical 3CBLSF50 Related StandardsEnvironmental PhysicalAppendix B Technical Information Console Cable PIN-OUTSPC-AT Serial Cable Null Modem CableModem Cable Pin Number 10/100 1000 Ethernet Port RJ-45 Pin AssignmentsAppendix C PIN-OUTS Console Port Getting Started with the Command Line InterfaceLogging on to the CLI Automatic Logout CLI CommandsConcurrent CLI Sessions Syntax Default Configuration Parameters Ping255.255.255.0 IpSetupUpgrade Initialize Following example resets the Switch to factory defaultsLogout PasswordRegulatory Notices 100 Auto-negotiation 1000BASE-TBandwidth Category 6 Cables Category 3 CablesCategory 5 Cables Category 5e CablesIeee 802.1Q Full DuplexHalf Duplex Ieee 802.1DMAC Address Power over EthernetLayer Link AggregationSubnet Mask SwitchServer Subnet AddressVlan Numbers IndexIndex