Dell PC2724 manual Flow Control, Fragment, Frame, Gigabit Ethernet, Host, Ieee 802.1p, Ieee 802.1Q

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F

Flow Control

Enables lower speed Ethernet switch modules to communicate with higher speed Ethernet switch module s, that is, that the higher speed Ethernet switch module refrains from sending packets.

Fragment

Ethernet packets smaller than 576 bits.

Frame

Packets containing the header and trailer information required by the physical medium.

G

Gigabit Ethernet

Gigabit Ethernet transmits at 1000 Mbps, and is compatible with existing 10/100 Mbps Ethernet standards.

H

HOL

Head of Line. Packets are queued. Packets at the head of the queue are forwarded before packets at the end of the line.

Host

A computer that acts as a source of information or services to other computers.

HTTP

HyperText Transport Protocol. Transmits HTML documents between servers and clients on the internet.

I

ICMP

Internet Control Message Protocol. Allows gateway or destination host to communicate with a source host, for example, to report a processing error.

IEEE

Institute of Electrical and Electronics Engineers. An Engineering organization that develops communications and networking standards.

IEEE 802.1p

Prioritizes network traffic at the data-link/MAC sublayer.

IEEE 802.1Q

Defines the operation of VLAN Bridges that permit the definition, operation, and administration of VLANs within Bridged LAN infrastructures.

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Contents User’s Guide October Contents Using the Dell OpenManage Switch Administrator Viewing Statistics Contents System Description IntroductionGigabit Ethernet Ports 24 1-Gigabit Ethernet Ports + 2 SFP Combo ports 16 1-Gigabit Ethernet Ports48 1-Gigabit Ethernet Ports Management Modes FeaturesGeneral Features Head of Line Blocking PreventionAutoMDI/MDIX Support Virtual Cable Testing VCTAuto Negotiation Jumbo Frames SupportLayer 2 Features MAC Address Supported FeaturesClass of Service CoS Features Vlan Supported FeaturesPort Default Settings Ethernet Switch Management FeaturesPage Hardware Description Switch Port ConfigurationsPowerConnect 2708 Back Panel PowerConnect 2724 Back Panel PowerConnect 2748 Back Panel LED Definitions Physical DimensionsPower LED Managed Mode LEDPort LEDs Fan LED 2748 only10/100/1000BASE-T Port LEDs SFP Port LED Managed Mode ButtonRJ-45 Connections for 10/100/1000BASE-T Ports Switch Ventilation FanCables, Port Connections, and Pinout Information 1000BASE-T Cable RequirementsSFP Ports Internal Power Supply Connector Power ConnectorsPin Connections for SFP Interfaces Installation Precautions Installing the Dell PowerConnectOverview Site Requirements SafetyUnpacking Handling Static Sensitive Devices Package ContentsUnpacking the Device Mounting the Device Installing the Device in a Rack Installing the DeviceInstalling the Device on a Wall Installing the Device on a Flat SurfaceMounting Device on a Wall Connecting the Device to AC Power SupplyBack Panel Power Connector Connecting the Device to the NetworkViewing Switch Operation Starting and Configuring the Dell PowerConnectInitial Configuration Login Screen Click Apply Changes Page Understanding the Interface Using the Dell OpenManage Switch AdministratorInterface Components Description PowerConnect Switch Management Buttons Using the OpenManage Switch Administrator ButtonsInformation Buttons Starting the Application PowerConnect Switch Management Buttons DescriptionReset Resetting the DeviceDisplaying Configuration on Demand Defining Switch Information Configuring System InformationViewing the Switch Status Viewing System IP Address Defining Switch InformationIP Addressing Updating Static IP AddressConfiguring Dhcp Client Interface Configuration Defining Interface ConfigurationPage Open the Interface Configuration Configuring the InterfaceViewing Jumbo Frames Enabling Jumbo Frames Creating Vlan MembershipOpen the Vlan Membership Defining Vlan Interface SettingsShowing/Creating VLANs Removing VLANsUpdating the Vlan Interface Settings Configuring LAG MembershipOpen the Vlan Interface Settings Adding a Port to a LAG Open the LAG Aggregation ConfigurationManaging System Files Downloading Files from Server Downloading Files From ServerFirmware Download File Download PowerConnect 2748 Switch ConfigurationUploading Files Configuration DownloadCopying Files Open the File Upload to ServerClick Restore Company Factory Defaults Click Apply Changes Restoring Company Factory Default SettingsLocal User Database Assigning Access Level User RightsOpen the Local User Database Adding a User to the Local User Database Integrated Cable Test for Copper CablesDeleting a User from the Local User Database Open the Integrated Cable Test Running Integrated Cable TestClick Test Now Displaying Optical Transceivers Diagnostics Test Results Optical Transceivers DiagnosticsOpen the Optical Transceiver Diagnostics Open the Port Mirroring Port MirroringClick show All Adding a Port Mirroring SessionEnabling Storm Control Configuring Storm Control on the PowerConnectConfiguring Storm Control on the PowerConnect 2716/2724 Modifying PowerConnect 2708 Storm Control Port ParametersFollowing describes Storm Control for PowerConnect Modifying PowerConnect 2748 Storm Control Port Parameters Quality of Service QoS Overview Configuring Quality of ServiceVPT Tag Classification Information CoS Services Configuring QoS Settings Defining CoS SettingsMapping CoS Values to Queues Configuring the Trust ModeMapping a CoS value to a Queue Mapping Dscp Values to QueuesMapping a Dscp value and assigning priority queue Page Rmon Statistics Viewing StatisticsOpen the Rmon Statistics Viewing Interface StatisticsGlossary Dhcp Client Class of ServiceDuplex Mode Broadcast StormGigabit Ethernet Flow ControlFragment FrameLayer Ingress PortIP Address Jumbo FramesMulticast Managed ModeMAC Layer MaskPage Router Startup ConfigurationSwitch QoSUnicast TrunkingWildcard Mask