User GuideTable of Contents3Com® Baseline Switch 2948-SFP PlusUser Guide1ABOUT THIS GUIDE3User Guide Overview3Intended Audience5Conventions5RelatedDocumentation5Contents51 GETTING STARTED12About the Switch 294813Front Panel Detail14LED Status Indicators15System Specifications16Installing the Switch17Setting Up for Management18Methods of Managing a Switch19Switch Setup Overview21Using the Command Line Interface (CLI)25Setting Up Web Interface Management29Setting Up SNMP Management V1 or V230Default Users and Passwords31Upgrading Software using the CLI312 USING THE 3COM WEB INTERFACE32Starting the 3Com Web Interface32Understanding the 3Com Web Interface34Saving the Configuration42Resetting the Device42Restoring Factory Defaults45Logging Off the Device46VIEWING BASIC SETTINGS47Viewing Device Settings47Viewing Color Keys474MANAGING DEVICE SECURITY51Configuring System Access52Defining RADIUS Clients57Defining Port-Based Authentication (802.1X)59Defining Access Control Lists64Viewing Broadcast Storm915 GENERAL SYSTEM INFORMATION95Viewing System Description95Configuring System Name Information97Configuring System Time986 CONFIGURING PORTS101Viewing Port Settings101Defining Port Settings101Viewing Port Details1067 AGGREGATING PORTS108Viewing Link Aggregation109Configuring Link Aggregation109Modifying Link Aggregation111Removing Link Aggregation113Viewing LACP113Defining LACP Priority115Defining LACP Port1168 CONFIGURING VLANS117VLAN Overview117Viewing VLAN Details119Viewing VLAN Port Details119Creating VLANs121Rename the VLANS121Modifying VLAN Settings123Modifying Port VLAN Settings124Removing VLANs1269 CONFIGURING IP AND MAC ADDRESS INFORMATION127Defining IP Addressing128Configuring ARP Settings129Viewing ARP Settings130Defining ARP Settings130Removing ARP Entries132Configuring Address Tables133Viewing Address Table Settings134Viewing Port Summary Settings135Adding Entries into Address Tables137Defining Aging Time138Removing Address Table Ports140Remove address Table14110 CONFIGURING IGMP SNOOPING & QUERY143Defining IGMP Snooping & Query14311 CONFIGURING SPANNING TREE146Viewing Spanning Tree146Defining Spanning Tree148Modifying Spanning Tree15012 CONFIGURING SNMP153SNMP v1 and v2c153Defining SNMP Communities154Removing SNMP Communities155Defining SNMP Traps157Removing SNMP Traps15813 CONFIGURING QUALITY OFSERVICE160Viewing CoS Settings161Defining CoS162Defining Queuing Algorithm163Viewing CoS to Queue164Defining CoS to Queue164Viewing DSCP to CoS166Configuring DSCP to CoS167Configuring Trust Settings168Viewing Bandwidth Settings169DefiningBandwidth Settings170Defining VoiceVLAN17214 MANAGING SYSTEM FILES181Configuration FileStructure181Backing Up System Files182Restoring Files183Upgrade the Firmware Image184Activating ImageFiles18515 VIEWING STATISTICS186Viewing PortStatistics18616 MANAGING DEVICE DIAGNOSTICS189Configuring Port Mirroring189Viewing Cable Diagnostics192A 3COM NETWORK MANAGEMENT1953Com Network Supervisor1953Com Network Director1963Com Network Access Manager1963Com Enterprise Management Suite197Integration Kit with HP OpenView Network Node Manager197B DEVICE SPECIFICATIONS AND FEATURES198Related Standard198Environmental198Physical198Electrical199Switch Features199C PIN-OUTS204Console Cable204Null Modem Cable205PC-AT Serial Cable205Modem Cable205Ethernet Port RJ-45Pin Assignments206D TROUBLESHOOTING207Problem Management207Troubleshooting Solutions207E 3COM CLI REFERENCE GUIDE210Getting Started with the Command Line Interface210CLI Commands211F GLOSSARY221G OBTAINING SUPPORT FORYOUR 3COM PRODUCTS227Register Your Product to Gain Service Benefits227Solve Problems Online227Purchase Extended Warranty and Professional Services227Access Software Downloads228Contact Us228Telephone TechnicalSupport and Repair228REGULATORY NOTICES231Size: 13.3 MBPages: 231Language: EnglishOpen manual
