3Com 3 Feature Switch 4200 Family Automatic IP Configuration, Port Status, Port Speed, Fast Start

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About the Switch 4200 Series 17

Default Settings Table 5 shows the default settings for the Switch 4200 Family:

Table 5 Default Settings

Feature	Switch 4200 Family

Automatic IP Configuration	Enabled
Port Status	Enabled
Port Speed	All ports are auto-negotiated, except SFP ports
Duplex Mode	All ports are auto-negotiated, except SFP ports
Flow Control	■ Enabled in half duplex
	■ Auto-negotiated in full duplex
Broadcast Storm Control	Enabled
Virtual LANs (VLANs)	All ports belong to the untagged Default VLAN
	(VLAN 1) with IEEE802.1Q learning operational
IP Multicast Filtering	Filtering enabled
Rapid Spanning Tree Protocol	Enabled
Fast Start	Enabled on all 10/100 Mbps ports
	Disabled on all 1000 Mbps ports
RMON Alarm	Enabled
Smart Auto-Sensing	Enabled
LACP	(10/100/1000BASE-T ports and SFP ports only)
	Disabled
Quality of Service (QoS)	All ports prioritize NBX VoIP IP.
	All ports set to “best effort” for all other traffic.
HOL Protection (QoS)	18 Kb

If you initialize a Switch unit by selecting System > Control > Initialize in the Web interface or by entering system control initialize in the Command Line Interface, the following settings are retained to allow you to connect to and manage the Switch:

■IP Address

■Subnet Mask

■Default Router

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Contents SuperStack United States Government Legend 3Com Corporation 350 Campus Drive Marlborough, MAContents Setting UP for Management PIN-OUTS Page About this Guide Convention Description ConventionsIcon Description Documentation RelatedAbout this Guide Introducing Family About the SwitchFront View Detail Switch 4200 FamilyIntroducing the Superstack 3 Switch 4200 Family Port Status LEDs SFP ports Color Indicates Port Status LEDs 10BASE-T/100BASE-TX portsPort Status LEDs 10/100/1000BASE-T ports Unit LEDsAlert LED LED Color Indicates Power/Self Test LEDRear View Detail Duplex Mode Feature Switch 4200 Family Automatic IP ConfigurationRmon Alarm Quality of Service QoSIntroducing the Superstack 3 Switch 4200 Family Installing the Switch Site Package ContentsChoosing a Suitable Rack-mounting Fitting a bracket for rack-mounting Repeat steps 2 and 3 for the other side of the SwitchStacking Units Placing Units OnTop of Each Other Powering-up Power-upSwitch 4200 Family SequenceColor State SFP port on the Switch 4200 28-PortSFP Operation Installing the Switch Choosing Your SwitchCorrect Cables TransceiverCross-over Cable Straight-through Cable Fiber CablesChoosing the Correct Cables Installing the Switch Setting UP for Management Configure IP information manually for your Switch or view Setting UpAutomatically configured IP information OverviewAutomatic IP Configuration Manual IP ConfigurationSetting UP for Management Pre-requisites Manually Configuring IP InformationSetting 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 Network Using Telnet Command LineInterface Management CLI Management viaChoosing a Browser Setting Up WebInterface Management Protocol Snmp can manage a Switch if Setting Up SnmpOver the Network Management workstationUser Default Access Level Name Password Default UsersSecurity Device User Modify operation on the web interface Security device user modify command on the CLI, orSetting UP for Management For Technical Support information, see Appendix D Problem SolvingSolutions below Solving ProblemsPower LED does not light On powering-up, the Power/Self Test LED lights yellowIP Addressing Solving Communication ProblemsError message indicating that the SFP transceiver is faulty Solving Stack Upgrade ProblemsFormation Solving SoftwareSafety Information This must be approved for the country where it is used Important Safety InformationImportant Safety Information ’information de Sécurité Importante Schko Wichtige Sicherheitsinformationen Vorsicht Europe Información de seguridad importante Schuko Importanti informazioni di sicurezza Avvertenza Lunità deve disporre di messa a terra Prodotto Laser Classe PC-AT Serial Cable Null Modem CablePin to RS-232 25-pin Pin to 9-pinRJ-45 Pin Modem CableAssignments Pin Number 10/100 1000Pin Number 10/100 1000 Appendix B PIN-OUTS Switch 4200 26-Port 3C17300A Switch 4200 50-Port 3C17302A Switch 4200 28-Port 3C17304A Appendix C Technical Specifications Register Your ServicesProduct PurchaseTroubleshoot Access SoftwareOnline DownloadsContact Us US and Canada Telephone Technical Support and Repair Country Telephone NumberLatin America Telephone Technical Support and Repair Numbers IndexSFP ports 14 SFP transceiver Regulatory Notices

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