3Com 4226T, 4228G, 4250T manual Example top-level command line interface menu

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38CHAPTER 3: SETTING UP FOR MANAGEMENT

top-level menu of the command line interface is displayed as shown in the example in Figure 10.

Figure 10 Example top-level command line interface menu

Menu options: --------------

3Com

Superstack 3 Switch 4200---------------

bridge

- Administer

bridge-wide parameters

gettingStarted

- Basic device configuration

logout

- Logout of the Command Line Interface

physicalInterface

- Administer

physical interfaces

protocol

- Administer

protocols

security

- Administer

security

system

- Administer

sytem-level functions

trafficManagement

- Administer

traffic management

Type ? For help

 

 

-------------------------------

(1)-----------------------------------

Select menu option:

 

 

 

 

 

4At the Select menu option prompt you can either:

■enter the protocol ip basicConfig command. At the Enter configuration method prompt enter manual. The screen prompts you to enter IP information.

or

■enter the gettingStarted command. At the Enter configuration method prompt enter manual. The screen prompts you to enter IP information.

5Enter the IP address, subnet mask, and gateway IP address for the Switch. The screen displays a summary of the information entered.

The initial set up of your Switch is now complete and the Switch is ready for you to set up your chosen management method. See “Methods of Managing a Switch” on page 45.

Connecting to the To set up your Switch manually you can alternatively make a connection Console Port to the console port (this example describes a local connection to the

console port, rather than a remote one via a modem). You can do this whilst the Switch is offline, that is, before you connect the Switch to a network, or whilst the Switch is online, that is, connected to a network.

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Contents SuperStack 3Com Corporation 350 Campus Drive Marlborough, MA United States Government LegendContents Setting UP for Management Safety Information PIN -OUTSPage About this Guide Convention Description ConventionsIcon Description Related DocumentationAbout this Guide Introducing About the Switch FamilySwitch 4200 Family Front View DetailIntroducing the Superstack 3 Switch 4200 Series Color Indicates Port Status LEDs 10BASE-T/100BASE-TX ports Fiber GBICs1000BASE-T GBICs Port Status LEDs Gbic portsUnit LEDs Power/Self Test LEDColor Indicates Alert LEDSystem RPS. See Connecting a Redundant Power System on Rear View DetailRmon Alarm Feature Switch 4200 Family Automatic IP ConfigurationDuplex Mode Quality of Service QoSInstalling the Switch Site Package ContentsChoosing a Suitable Rack-mounting Repeat steps 2 and 3 for the other side of the Switch Fitting a bracket for rack-mountingStacking Units Placing Units OnTop of Each Other Switch 4200 Family Power-upPowering-up SequencePower/Self Test LED colors Color StateFiber cables Cross-over Cable Straight-through CableApproved Gbic The 3Com approved Gbic transceivers are TransceiversInstalling the Switch Gbic Installing the Switch Setting UP for Management Automatically configured IP information Setting UpConfigure IP information manually for your Switch or view OverviewManual IP Configuration Automatic IP ConfigurationSetting UP for Management Manually Configuring IP Information Pre-requisitesSetting Up the Switch with IP Information Connecting the Workstation to the SwitchConfiguring the Workstation with IP Information Using Command Line Interface via Telnet Example top-level command line interface menu Connecting a workstation to the Switch via the console port Setting Up the Switch with IP Information Example top-level command line interface menu Automatically Configured IPViewing Viewing Automatically Configured IP Information Viewing IP Information via the Console Port Methods of Managing a Switch Refer to Setting Up Command Line Interface Management on Interface Management Command LineNetwork Using Telnet CLI Management viaChoosing a Browser Setting Up WebInterface Over the Network Setting Up SnmpManagement Protocol Snmp can manage a Switch if Management workstationDefault Users User Default Name Password Access LevelSecurity Device User Modify operation on the web interface Setting UP for Management Problem Solving For Technical Support information, see Appendix DPower LED does not light Solving ProblemsSolutions below On powering-up, the Power/Self Test LED lights yellowSolving Hardware Snmp fan fail trap hardware failure ProblemsSolving Communication Problems IP AddressingHow do you obtain a registered IP Address? Solving StackFormation Solving Software Upgrade Problems Problem Solving Safety Information Important Safety Information This must be approved for the country where it is usedImportant Safety Information ’information de Sécurité Importante Schko Wichtige Sicherheitsinformationen Vorsicht Europe Appendix a Safety Information Pin to RS-232 25-pin Null Modem CablePC-AT Serial Cable Pin to 9-pinAssignments Modem CableRJ-45 Pin Pin Number 10/100 1000Pin Number 10/100 1000 Appendix B PIN-OUTS Switch 4226T 3C17300 Protocols Used for Administration Terminal EmulationSwitch 4250T 3C17302 Switch 4228G 3C17304 Product ServicesRegister Your PurchaseOnline Access SoftwareTroubleshoot DownloadsContact Us Country Telephone Number Latin America Telephone Technical Support and Repair800 876 Appendix D Obtaining Support for Your Product Index NumbersIndex Regulatory Notices

4250T, 4226T, 4228G specifications

The 3Com 4228G, 4226T, and 4250T are professional-grade network switches designed for businesses seeking to enhance their network infrastructure. These models offer robust performance and reliability, catering to various networking needs, from small offices to large enterprise environments.

The 3Com 4228G switch is a 28-port gigabit Ethernet switch designed for high-bandwidth applications. It provides 24 Gigabit Ethernet ports with 802.3af Power over Ethernet (PoE) capability, allowing devices such as IP phones and wireless access points to be powered directly through the Ethernet cables. This feature simplifies installation and reduces additional cabling costs. The switch also supports VLAN tagging for network segmentation, improving security and performance. Its advanced traffic management lets IT administrators prioritize network traffic effectively, ensuring critical applications receive the necessary bandwidth.

On the other hand, the 3Com 4226T is a 26-port gigabit Ethernet switch, primarily designed for environments requiring a high level of connectivity without PoE. It offers similar features to the 4228G, such as VLAN support and enhanced traffic management capabilities. The 4226T is ideal for businesses that do not require power over Ethernet yet need reliable, high-speed networking capabilities. With 26 ports, this switch is an excellent choice for medium-sized enterprises looking to upgrade their network infrastructure without overwhelming their existing resources.

The 3Com 4250T is a more advanced switch, offering 48 Gigabit Ethernet ports and a robust feature set suitable for more complex networking environments. It includes Layer 2 and Layer 3 functionality, allowing for advanced routing and switching capabilities, making it highly adaptable to various network designs. The 4250T also simplifies network management through its extensive configuration options and support for IPv6. Moreover, it features an efficient cooling system and reduced power consumption, aligning with today’s growing demand for energy-efficient solutions.

All three models utilize advanced technologies such as Spanning Tree Protocol (STP) for loop prevention, QoS mechanisms to prioritize traffic, and comprehensive security features to protect the network from unauthorized access. With their different port configurations and capabilities, the 3Com 4228G, 4226T, and 4250T switches provide exceptional performance and flexibility, making them ideal for businesses aiming to enhance their networking capabilities.
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