Dell PC2708, PC2748, PC2716, PC2724 manual Glossary

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Glossary

This glossary contains key technical words of interest.

A

Auto-negotiation

Allows 10/100 Mpbs or 10/100/1000 Mbps Ethernet ports to establish for the following features:

•Duplex/ Half Duplex Mode

•Flow Control

•Speed

B

Back Pressure

A mechanism used with Half Duplex mode that enables a port not to receive a message.

Bandwidth

Bandwidth specifies the amount of data that can be transmitted in a fixed amount of time. For digital switch modules, bandwidth is defined in Bits per Second (bps) or Bytes per Second.

Bandwidth Assignments

The amount of bandwidth assigned to a specific application, user, or interface.

Best Effort

Traffic is assigned to the lowest priority queue, and packet delivery is not guaranteed.

Boot Version

The boot version.

BootP

Bootstrap Protocol. Enables a workstation to discover its IP address, an IP address of a BootP server on a network, or a configuration file loaded into the boot of a switch module.

Broadcast Domain

Ethernet switch module sets that receive broadcast frames originating from any Ethernet switch module within a designated set. Routers bind Broadcast domains, because routers do not forward broadcast frames.

Broadcasting

A method of transmitting packets to all ports on a network.

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Contents User’s Guide October Contents Using the Dell OpenManage Switch Administrator Viewing Statistics Contents Gigabit Ethernet Ports IntroductionSystem Description 48 1-Gigabit Ethernet Ports 16 1-Gigabit Ethernet Ports24 1-Gigabit Ethernet Ports + 2 SFP Combo ports General Features FeaturesHead of Line Blocking Prevention Management ModesAuto Negotiation Virtual Cable Testing VCTJumbo Frames Support AutoMDI/MDIX 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 Power LED Physical DimensionsManaged Mode LED LED Definitions10/100/1000BASE-T Port LEDs Fan LED 2748 onlyPort LEDs SFP Port LED Managed Mode ButtonCables, Port Connections, and Pinout Information Switch Ventilation Fan1000BASE-T Cable Requirements RJ-45 Connections for 10/100/1000BASE-T PortsSFP Ports Pin Connections for SFP Interfaces Power ConnectorsInternal Power Supply Connector Overview Installing the Dell PowerConnectInstallation Precautions Unpacking SafetySite Requirements Unpacking the Device Package ContentsHandling Static Sensitive Devices 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 NetworkInitial Configuration Starting and Configuring the Dell PowerConnectViewing Switch Operation Login Screen Click Apply Changes Page Understanding the Interface Using the Dell OpenManage Switch AdministratorInterface Components Description Information Buttons Using the OpenManage Switch Administrator ButtonsPowerConnect Switch Management Buttons Starting the Application PowerConnect Switch Management Buttons DescriptionReset Resetting the DeviceDisplaying Configuration on Demand Viewing the Switch Status Configuring System InformationDefining Switch Information Viewing System IP Address Defining Switch InformationIP Addressing Updating Static IP AddressConfiguring Dhcp Client Interface Configuration Defining Interface ConfigurationPage Viewing Jumbo Frames Configuring the InterfaceOpen the Interface Configuration Enabling Jumbo Frames Creating Vlan MembershipShowing/Creating VLANs Defining Vlan Interface SettingsRemoving VLANs Open the Vlan MembershipOpen the Vlan Interface Settings Configuring LAG MembershipUpdating 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 SettingsOpen the Local User Database Assigning Access Level User RightsLocal User Database Deleting a User from the Local User Database Integrated Cable Test for Copper CablesAdding a User to the Local User Database Click Test Now Running Integrated Cable TestOpen the Integrated Cable Test Open the Optical Transceiver Diagnostics Optical Transceivers DiagnosticsDisplaying Optical Transceivers Diagnostics Test Results Click show All Port MirroringAdding a Port Mirroring Session Open the Port MirroringEnabling 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 VPT Tag Classification Information Configuring Quality of ServiceQuality of Service QoS Overview CoS Services Configuring QoS Settings Defining CoS SettingsMapping CoS Values to Queues Configuring the Trust ModeMapping a Dscp value and assigning priority queue Mapping Dscp Values to QueuesMapping a CoS value to a Queue Page Rmon Statistics Viewing StatisticsOpen the Rmon Statistics Viewing Interface StatisticsGlossary Duplex Mode Class of ServiceBroadcast Storm Dhcp ClientFragment Flow ControlFrame Gigabit EthernetIP Address Ingress PortJumbo Frames LayerMAC Layer Managed ModeMask MulticastPage Switch Startup ConfigurationQoS RouterWildcard Mask TrunkingUnicast