3Com 4210 26-PORT, 4210 PWR 18-PORT, 4210 9-PORT manual Using Command Line Interface using Telnet

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46CHAPTER 3: MANAGING YOUR SWITCH

address and subnet mask that you want the switch to use when it is connected to the network. The final page displays a summary of the information entered.

5Select Save Configuration to save the configuration to your switch.

The initial setup of your switch is now complete and you can now set up your chosen management method. See “Methods of Managing a Switch” on page 36.

Using Command Line Interface using Telnet

1To start a Telnet session to the unit, click Start in Microsoft Windows. a Click Run.

b In the Open field, type the unit’s IP address:

Telnet xxx.xxx.xxx.xxx

(where xxx.xxx.xxx.xxx is the switch’s IP address) c Click OK.

2Press Enter to open a login prompt.

If the login prompt does not begin immediately, press Return a few times until it starts.

3At the login prompt, enter admin as your user name and press Return at the password prompt. If you have logged on correctly, <4210> is displayed as shown below.

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*	Copyright(c) 2004-2007 3Com Corp. and its licensors. All rights reserved.*
*	Without the owner's prior written consent,	*
*	no decompiling or reverse-engineering shall be allowed.	*

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Login authentication

Username:admin

Password:

<4210>

%Apr 4 06:13:31:519 2000 4210 SHELL/5/LOGIN:- 1 - admin(10.10.11.222) in unit1 login

<4210>

4Enter the system-viewcommand and Enter.

5Enter interface vlan 1 and Enter.

6Enter the IP address and subnet mask for the switch as follows: ip address xxx.xxx.xxx.xxx mmm.mmm.mmm.mmm

(where xxx.xxx.xxx.xxx is the IP address and mmm.mmm.mmm.mmm is the subnet mask of the switch)

7Enter the default gateway for the switch:

ip route-static 0.0.0.0 0.0.0.0 xxx.xxx.xxx.xxx

(where xxx.xxx.xxx.xxx is the IP address of the default gateway)

8Enter the save command to save the configuration (the configuration is not saved automatically when the switch is powered down).

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Contents 3Com Switch 4210 Family 3Com Corporation Campus Drive Marlborough, MA USA United States Government LegendContents Obtaining Support for Your 3COM Products Regulatory NoticesAbout this Guide Related Documentation Product Introduction Wire-speed Layer 2 switchingDescription of their features OverviewIntroduction to Switch 4210 Family PWR Switches Switch 4210 9-port PWR Front panelSide panel Power systemRear panel Cooling systemFront panel of a Switch 4210 18-port PWR Shows the front panel of the Switch 4210 26-port PWR model AC input Switch 4210 26-port PWR units support AC input or DC inputDC input-Rated voltage range -52 VDC to -56 VDC 10/100BASE-TX Autosensing Ethernet Port Status LED Power LEDFront Panel LEDs Mbps Uplink Port Status LEDSwitch 4210 9-port Front panel Introduction to the Switch 4210 Family Non-PWR ModelsThis section describes each Switch 4210 Family model Panel StatusSwitch 4210 cools off naturally Switch 4210 18-port Front panelSwitch 4210 26-port Front panel Switch 4210 18-port model’s rear panelSwitch 4210 52-port Front Panel Switch 4210 26-port rear panelDescribes the 10/100Base-TX autosensing port’s Link/Act LED Port LEDDescribes the Speed LED on the 10/100Base-TX port Technical specifications for the Switch Technical SpecificationsSwitch Model Port PWR Technical specifications for the Switch 4210 PWR models Earthing LeadSFP Modules SwitchSFP modules supported by the Switch Supported forProduct Introduction Installing the Switch Installing the Switch Installing the switch in a 19-inch rack Mount the front bracket to the device Screw FrontInstallation completed Ready for operation Power-upSequence 421052 for a list of suggested solutions Connecting aRedundant Power Supply PWR LED ColorsSystem Rectifiers No Rectifier Power AvailabilitySwitch 4210 Circuit Breaker and Cable Ratings Redundancy +1 RectifierUsing Power over Ethernet RPS Connection to the SwitchConsole Cable ConnectingRJ-45 Signal Direction DB9 console Terminal, as shown in FigureGND RXD DSR CTS Installing the Switch Managing Your Switch User View Methods of Managing a SwitchSystem View Configured IP information Setting Up YourRefer to Setting Up Snmp Management on Need toConfiguring IP Manually SnmpAutomatically Configuring the IP Address using Dhcp Automatically Configured IPViewing InformationUser View Login You can manually configure the switch IP information by Manually Configuring IP InformationConnecting to Console Port Connecting the Workstation to the SwitchSetting Up the Switch with IP Information Once you have logged in you are automatically in User ViewPrerequisites Using the Web Interface Using Command Line Interface using Telnet Enter the system-viewcommand and EnterConsole Port Connection Where xxx.xxx.xxx.xxx is the IP address of the switchManagement Network TelnetSetting Up Web Setting Up CommandManagement using Line InterfaceNew community string up to 32 characters Setting Up SnmpString is private String to be removedDefault Users Default UsersPasswords User Default Name Password Access LevelProblem Solving Solving Problems Indicated by LEDsProblems Solving HardwareIP Addressing Solving Communication ProblemsError message indicating that the SFP transceiver is faulty How do you obtain a registered IP Address?Formation Problems Solving FabricProblem Solving PC-AT Serial Cable PIN-OUTSNull Modem Cable RJ-45 to RS-232 25-pin10/100 and 1000BASE-T RJ-45 connections Ethernet Port RJ-45 Pin AssignmentsPin assignments Obtaining Support for Your 3COM Products Telephone Technical Available for purchase from your 3Com resellerContact Us Support and RepairCountry Telephone Number Latin America Telephone Technical Support and Repair US and Canada Telephone Technical Support and RepairSupervisor 3COM Network Management3Com Network DirectorAppendix C 3COM Network Management Integration Kit with 3Com EnterpriseManagement Suite HP OpenViewAppendix C 3COM Network Management Safety Information Important Safety Information’information de Sécurité Importante Wichtige SicherheitsinformationenInformación de Seguridad Importante Appendix D Redundant Power Supply Safety Information Ważne informacje o zabezpieczeniach Importanti Informazioni di SicurezzaAppendix D Redundant Power Supply Safety Information How to identify and resolve radio-TV interference problems Regulatory NoticesAppendix D Redundant Power Supply Safety Information