Index, Numbers | 3Com 2426-PWR, 2226-SFP, 2250-SFP specification

INDEX

Numbers

1000BASE-LX 101 1000BASE-SX 101 1000BASE-T 101 100BASE-TX 101 10BASE-T 101

A

auto IP configuration 37

B

bandwidth 101

Baseline Switch 2848-SFP 83, 84

C

category 3 cables 102 category 5 cables 102 category 5e cables 102 category 6 cables 102 client 102 configuration

overview 35 conventions

text, About This Guide 8

D

DHCP 102 diagram

front panel 11

dynamic host control protocol 102

E

Ethernet 102

F

Fast Ethernet 102 FCC statement 99

Feedback about this User Guide 8 front panel diagram 11

full duplex 103

G

Gigabit Ethernet 102

Glossary 101

H

half duplex 103

I

IEEE 103

IETF 103 IP address

auto configuration 37 modifying 37

IP defined 103 ISP defined 103

L

LAN defined 103 LED issues 76

link aggregation 63 local area network 103

M

MAC address 104

media access control 104 monitoring traffic 66, 70

N

network analyzer 66, 70 network defined 104

Image 107

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

Contents

Installation and User Guide 3Com Corporation 350 Campus Drive Marlborough MA Contents Snmp 3COM CLI Reference Guide Page Conventions About this Guide Product Registration Documentation Comments Autonegotiating 10/100 Mbps Ports Overview of the Baseline SwitchFeatures and Capabilities Autosensing of MDI/MDIX Connections Gigabit Combo Ports RJ-45/SFP Physical FeaturesPower-over-Ethernet Capability RJ-45 10/100 Ports Front Panel Gigabit Combo Ports RJ-45/SFP 10/100BASE-TX Link/Activity Status LEDs SFP Mode Rear Panel Power LED Package Contents Important Safety Information Installing the Switch Importante Avviso di Sicurezza Positioning the Switch Rack-Mounting or Free-Standing Using the Mounting Kit Placing Units On Top of Each Other Supplying Power to the SwitchMontagesatz Anweisungen Status Meaning Checking for Correct Operation Inserting an SFP Transceiver Using SFP TranceiversApproved SFP Transceivers Removing an SFP Transceiver Performing Spot Checks Refer to Troubleshooting on Using the Console Command Line Interface CLI Requirements for Accessing the Web Interface CLI Summary with Default IP Address CLI Summary with Assigned IP Address Logging On to the Web Interface Menu Navigating the Web Interface Menu Item Description Snmp Port Status Buttons 3Com Switch Detect Welcome Screen Running the 3Com Switch Detect Application 3Com Switch Detect Search Screen Connecting to the WEB Interface Device Summary Information Configuration Overview Polling Interval Device View Color Key Administration SettingsModifying the IP Address Settings Automatic IP Configuration Backup Configuration IP Setup Firmware Upgrade Restore Configuration Initialize, keep IP setting ResetSystem Access Reboot Create User User Summary Remove User Modify User System Time SetupSystem Name Snmp Remove Configuring VLANsSnmp Add Vlan Modify Vlan Setup Screen Rename Modify Port Port Detail Remove Vlan Detail Sample Vlan ConfigurationsForwarding Tagged/Untagged Frames Setting Up Vlan Across Two Switches Setting Up Two VLANs on the Same Switch Spanning Tree Tagged Vlan Configuration Spanning Tree Summary Screen Summary Spanning Tree Setup Screen Port Setup Igmp Snooping & Query Spanning Tree Port Setup Screen Broadcast Storm Summary Screen Broadcast Storm Modify QoS VoIP Traffic Settings QoS VoIP Setup Screen OUI Add OUI Summary QoS OUI Modify Screen PoE 3CBLSF26-PWR only Administration Configuring Port Settings Detail Port Administration Summary Screen Speed/Duplex for 1000 Mbps Connections Port Administration Setup Screen Guidelines for Creating Trunks Link Aggregation Link Aggregation Summary Screen Create Use the Remove tab to delete a link aggregation group Radius Client SecurityStatistics Configure 802.1X Settings 802.1X Summary Screen Address Table Monitoring Port Summary Port Mirroring Use the Setup tab to create a port mirror session Cable Diagnostic Summary Screen Cable Diagnostics Cable Diagnostic Screen Diagnostics Configuring the Switch from the WEB Interface Resetting to Factory Defaults Troubleshooting Fiber cable is connected, but the Module Active LED is off Solving LED IssuesForgotten Static IP Address All ports appear to show continual activity If the Problem PersistsLink/Activity LED is on, but network performance is poor Troubleshooting Register Your Product Purchase Value-Added ServicesTroubleshoot Online Access Software Downloads Contact Us Telephone Technical Support and Repair Country Telephone Number Latsupportanc@3com.com Electrical 3CBLSF26 Related StandardsEnvironmental Physical 3CBLSF26PWR Related Standards Electrical 3CBLSF50 Related StandardsEnvironmental Physical Appendix B Technical Information Console Cable PIN-OUTS Modem Cable Null Modem CablePC-AT Serial Cable Pin Number 10/100 1000 Ethernet Port RJ-45 Pin Assignments Appendix C PIN-OUTS Logging on to the CLI Getting Started with the Command Line InterfaceConsole Port Concurrent CLI Sessions CLI CommandsAutomatic Logout Syntax Default Configuration Parameters Ping 255.255.255.0 IpSetup Upgrade Initialize Following example resets the Switch to factory defaults Logout Password Regulatory Notices 100 Bandwidth 1000BASE-TAuto-negotiation Category 6 Cables Category 3 CablesCategory 5 Cables Category 5e Cables Ieee 802.1Q Full DuplexHalf Duplex Ieee 802.1D MAC Address Power over EthernetLayer Link Aggregation Subnet Mask SwitchServer Subnet Address Vlan Numbers Index Index