Index | 3Com 2226-SFP, 2250-SFP, 2426-PWR specs

108INDEX

P

password changing 40 default (blank) 40 setting 36

port settings configuring 56, 60, 66

positioning the Switch 18 POST 21

protocol defined 104

R

repair authorization number by FAX, Asia and Pacific Rim 81

resetting to factory defaults 75 RJ-45 defined 104

S

server defined 105 SFP transceivers

approved (supported) 22 inserting 22 removing 23

spot checks 23 subnet mask 105 Switch

positioning 18 switch defined 105

T

TCP/IP 103 defined 105

technical specifications 83 traffic 105

monitoring 66, 70 troubleshooting 75

LED-related issues 76 POST failed 21

trunking See link aggregation

U

user name default 40

V

viewing

status information 35 VLANs 44

creating 51

maximum supported 45 sample configurations 49

W

Web interface

accessing using the CLI 25 buttons 31

connecting 25 logging on 27 menu 28

navigating 28

requirements for accessing 25

Image 108

3Com 2226-SFP, 2250-SFP, 2426-PWR manual Index

Contents

Installation and User Guide 3Com Corporation 350 Campus Drive Marlborough MA Contents Snmp 3COM CLI Reference Guide Page About this Guide Conventions Documentation Comments Product Registration Overview of the Baseline Switch Features and CapabilitiesAutosensing of MDI/MDIX Connections Autonegotiating 10/100 Mbps Ports Physical Features Power-over-Ethernet CapabilityGigabit Combo Ports RJ-45/SFP Front Panel RJ-45 10/100 Ports Gigabit Combo Ports RJ-45/SFP 10/100BASE-TX Link/Activity Status LEDs SFP Mode Power LED Rear Panel Package Contents Installing the Switch Important Safety Information Positioning the Switch Importante Avviso di Sicurezza Using the Mounting Kit Rack-Mounting or Free-Standing Supplying Power to the Switch Montagesatz AnweisungenPlacing Units On Top of Each Other Checking for Correct Operation Status Meaning Using SFP Tranceivers Approved SFP TransceiversInserting an SFP Transceiver Performing Spot Checks Removing an SFP Transceiver Refer to Troubleshooting on Requirements for Accessing the Web Interface Using the Console Command Line Interface CLI CLI Summary with Default IP Address Logging On to the Web Interface CLI Summary with Assigned IP Address Navigating the Web Interface Menu Menu Item Description Snmp Buttons Port Status Running the 3Com Switch Detect Application 3Com Switch Detect Welcome Screen 3Com Switch Detect Search Screen Connecting to the WEB Interface Configuration Overview Device Summary Information Device View Polling Interval Administration Settings Modifying the IP Address SettingsAutomatic IP Configuration Color Key IP Setup Backup Configuration Restore Configuration Firmware Upgrade Reset System AccessReboot Initialize, keep IP setting User Summary Create User Modify User Remove User Setup System NameSystem Time Configuring VLANs Snmp AddSnmp Remove Vlan Setup Screen Modify Vlan Modify Port Rename Remove Port Detail Sample Vlan Configurations Forwarding Tagged/Untagged FramesVlan Detail Setting Up Two VLANs on the Same Switch Setting Up Vlan Across Two Switches Tagged Vlan Configuration Spanning Tree Summary Spanning Tree Summary Screen Port Setup Spanning Tree Setup Screen Spanning Tree Port Setup Screen Igmp Snooping & Query Broadcast Storm Broadcast Storm Summary Screen QoS VoIP Traffic Settings Modify QoS VoIP Setup Screen OUI Summary OUI Add PoE 3CBLSF26-PWR only QoS OUI Modify Screen Configuring Port Settings Administration Port Administration Summary Screen Detail Port Administration Setup Screen Speed/Duplex for 1000 Mbps Connections Link Aggregation Guidelines for Creating Trunks Create Link Aggregation Summary Screen Use the Remove tab to delete a link aggregation group Security StatisticsRadius Client 802.1X Settings Configure 802.1X Summary Screen Monitoring Address Table Port Mirroring Port Summary Use the Setup tab to create a port mirror session Cable Diagnostics Cable Diagnostic Summary Screen Diagnostics Cable Diagnostic Screen Configuring the Switch from the WEB Interface Troubleshooting Resetting to Factory Defaults Solving LED Issues Forgotten Static IP AddressFiber cable is connected, but the Module Active LED is off If the Problem Persists Link/Activity LED is on, but network performance is poorAll ports appear to show continual activity Troubleshooting Purchase Value-Added Services Troubleshoot Online Access Software DownloadsRegister Your Product Telephone Technical Support and Repair Contact Us Country Telephone Number Latsupportanc@3com.com 3CBLSF26 Related Standards EnvironmentalPhysical Electrical 3CBLSF26PWR Related Standards 3CBLSF50 Related Standards EnvironmentalPhysical Electrical Appendix B Technical Information PIN-OUTS Console Cable Null Modem Cable PC-AT Serial CableModem Cable Ethernet Port RJ-45 Pin Assignments Pin Number 10/100 1000 Appendix C PIN-OUTS Getting Started with the Command Line Interface Console PortLogging on to the CLI CLI Commands Automatic LogoutConcurrent CLI Sessions Syntax Default Configuration Ping Parameters IpSetup 255.255.255.0 Upgrade Following example resets the Switch to factory defaults Initialize Password Logout Regulatory Notices 100 1000BASE-T Auto-negotiationBandwidth Category 3 Cables Category 5 CablesCategory 5e Cables Category 6 Cables Full Duplex Half DuplexIeee 802.1D Ieee 802.1Q Power over Ethernet LayerLink Aggregation MAC Address Switch ServerSubnet Address Subnet Mask Vlan Index Numbers Index