Glossary, 173 | Dell 28XX specs

Glossary

This glossary contains key technical words of interest.

A B C D E F G H I J L M N O P Q R S T U V W

A

Access Mode

Specifies the method by which user access is granted to the system.

Access Profiles

Allows network managers to define profiles and rules for accessing the device. Access to management functions can be limited to user groups, which are defined by the following criteria:

•Ingress interfaces

•Source IP address and/or Source IP subnets

ARP

Address Resolution Protocol. A TCP/IP protocol that converts IP addresses into physical addresses.

ASIC

Application Specific Integrated Circuit. A custom

chip designed for a specific application.

Asset Tag

Specifies the user-defined device reference.

Authentication Profiles

Sets of rules which that enables login to and authentication of users and applications.

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.

Backplane

The main BUS that carries information in the device.

Bandwidth

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

Bandwidth Assignments

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

Glossary

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Image 173

Dell 28XX manual Glossary, 173

Contents

User Guide December Contents Retrieving an IP Address From a Dhcp Server Port Connections, Cables, and Pinout Information Using the Switch Administrator Buttons Using Dell OpenManage Switch Administrator 114 Configuring the Spanning Tree Protocol 116103 133 126134 144 161 158 System Description PowerConnectIntroduction PowerConnect 2816 Front Panel General Features FeaturesSummary of PowerConnect Models Auto Negotiation Virtual Cable Testing VCTJumbo Frames Support AutoMDI/MDIX Support Layer 2 Features MAC Address Supported Features Vlan Supported Features Spanning Tree Protocol Features Ethernet Switch Management Features Class of Service CoS Features Hardware Description Switch Port ConfigurationsPowerConnect 28xx Front and Back Panel Port Description PowerConnect 2808 Back Panel PowerConnect 2824 Front Panel PowerConnect 2824 Back Panel LED Definitions Physical Dimensions Managed Mode LED Power LEDFan LED 2824/2848 only Port LEDs SFP Port LED Managed Mode ButtonSwitch Ventilation Fan Cables, Port Connections, and Pinout Information Port Default Settings Connector Port/Interface Cable1000BASE-T Cable Requirements RJ-45 Connections for 10/100/1000BASE-T Ports SFP Pin Connections Pin No Use SFP Ports Internal Power Supply Connector Power Connectors Installation Precautions Installing the PowerConnect Device Site Requirements Package ContentsUnpacking Unpacking the Device Overview Device Rack InstallationMounting the Device Bracket Installation for Rack Mounting Installing on a Flat Surface Bracket Installation for Wall Mounting Installing on a Wall Connecting the Device to the Network Connecting the Device Connecting the Terminal to the Device Connecting to Console Port Connecting a Device to a Power Supply RJ-45 Connections for 10/100/1000BaseT Ports Ports, Connectors and Cables Port/InterfacePort Connections, Cables, and Pinout Information Auto-Negotiation Port Default SettingsFlow Control Back Pressure Port Default Settings Function Switching Port Default Settings Dell PowerConnect 28xx Systems User Guide Starting and Configuring the Device Installation and Configuration Flow Booting the Device Managed Mode Initial Configuration Managed Mode Wizard Step Welcome to Dell Easy Setup Wizard Wizard Step Finally, setup the default gateway Advanced Configuration Retrieving an IP Address From a Dhcp Server Startup ProceduresStartup Menu Procedures Erase Flash File Software Download Password Recovery Erasing the Device ConfigurationSoftware Download Through Tftp Server System Image Download Boot Image Download Management Modes Default Values Transitioning Between Management Modes Transitioning Between Modes Restore Saved Configuration Returning to Managed Mode Dell PowerConnect 28xx Systems User Guide Understanding the Interface Using Dell OpenManage Switch Administrator Interface Components Name Device Representation Led Indicators Component Name Using the Switch Administrator ButtonsInformation Buttons Information Buttons Description Starting the Application Access LevelsDevice Management Buttons Device Management Buttons Description Dell PowerConnect 28xx Systems User Guide Dell PowerConnect 28xx Systems User Guide Viewing Device Information Configuring System InformationDefining General Device Information Asset Defining System Information Viewing the VersionsClick Apply Changes Initiating a Telnet Session Resetting the Device Resetting the Device Entering Secure Mode Entering Secure Mode Defining IP Interface Parameters Defining Device IP Addresses Viewing Copper Cable Diagnostics Running Cable DiagnosticsOpen the IP Interface Parameters Set Dhcp to Enable Setting static IP Interface parameters Integrated Cable Test for Copper Cables Performing a Cable Test Displaying Virtual Cable Test Results Table Viewing Optical Transceiver Diagnostics Open the Optical Transceiver Diagnostics Click Show All Assigning Access Rights to a User Password 0-64 Characters User-defined passwordManaging Device Security Defining the Local User Databases Deleting Users Defining a New UserDisplaying the Local User Table Click Show All Local User Table opens Select a User Name Configuring Radius Global Parameters Adding a Radius Server Open the Radius SettingsDefining Radius Parameters Displaying the Radius Server List Modifying the Radius Server SettingsAdd Radius Server page opens Deleting a Radius Server for the Radius Servers List Defining Snmp ParametersClick Show All Radius Servers List page opens Enabling Snmp Notifications Enabling Authentication NotificationsDefining Snmp Global Parameters Defining a New Community Defining CommunitiesOpen the Snmp Community Add Snmp Community page opens Deleting Communities Displaying all Communities 19. Notification Recipients Defining Snmp Notification Recipients Open Notification Recipients Adding a new Trap RecipientsAdd Notification Recipients page opens Displaying Notification Recipients Tables Click Show All Notification Recipients Tables page opens Managing FilesDownloading Files Firmware Download Configuration Download Open the File Download From Server Uploading FilesDownloading Files Restoring Default Settings Defining Dhcp Server SettingsRestoring Default Settings Uploading Files → Dhcp Server → Dhcp Server Properties in the tree view Configuring Dhcp Properties Enabling the Dhcp Server Click Apply Changes. The server is enabledDefining Network Pool 25. Network Pool Excluding Addresses Deleting Excluded Addresses Adding an Excluded AddressOpen the Excluded Addresses 28. Static Hosts Manually Allocating IP Addresses Static Hosts Add Static Host page opens Adding a new Static Host Click Show All Static Hosts Table page opens Displaying Static Hosts Tables Deleting Static Hosts Configuring Address Binding Configuring General Device Parameters Defining Advanced Settings Update with your book title Configuring Network Security Configuring Device SwitchingPort Based Authentication Advanced Port Based Authentication → Port Based Authentication Configuring Port Based Authentication Update with your book title Displaying the Port Based Authentication Table Select an interface in the Port Based Authentication Table Copying Parameters in the Port Based Authentication Table 100 Configuring Advanced Port Based Authentication 101 Displaying the Multiple Hosts Table Displaying the Authenticated Users Table Authenticating UsersClick Show All Authenticated Users Table opens 102 103 Configuring PortsDefining Port Parameters 104 Aggregating Ports Displaying the Port Configuration TableDefining Port Parameters Modifying Port Parameters 106 LAG Configuration Defining LAG Parameters Displaying the LAG Configuration TableModifying LAG Parameters 107 108 Configuring Green EthernetLAG Configuration Table opens 109 11. Green Ethernet Configuration Enabling Storm Control Open the Green Ethernet ConfigurationEnabling Green Ethernet on the Device 110 Displaying the Storm Control Table Enabling Storm Control on the DeviceClick Show All Storm Control Table opens 111 112 Defining Port Mirroring Sessions Open the Port Mirroring Adding a Port Mirroring SessionAdd Source Port page opens 113 Viewing Dynamic Addresses Configuring Address TablesDeleting a Copy Port from a Port Mirroring Session 114 115 Redefining the Aging TimeOpen the Dynamic Address Table Defining STP Global Settings Configuring the Spanning Tree ProtocolQuerying the Dynamic Address Table Sorting the Dynamic Address Table 117 16. STP Global Settings Select Enable in the Spanning Tree State field Open the STP Global SettingsDefining STP Global Parameters Modifying STP Global Parameters 119 Defining STP Port Settings 120 Ethernet Fast Ethernet Gigabit Ethernet Enabling STP on a Port Click Apply Changes. STP is enabled on the portModifying STP Port Properties Displaying the STP Port Table 122 Defining STP LAG Settings 123 Open the STP LAG Settings Configuring Rapid Spanning TreeModifying the LAG STP Parameters 124 19. Rapid Spanning Tree Rstp 125 Defining Vlan Members Configuring VLANsEnabling Rstp 126 Open the Vlan Membership Adding New VLANsCreate New Vlan page opens 127 Modifying Vlan Membership Groups Vlan Port Membership TableDeleting Vlan Membership Groups 128 129 Assigning Ports to a Vlan GroupDeleting a Vlan Assigning Port Settings Defining Vlan Ports SettingsOpen the Vlan Port Settings 130 131 Defining Vlan LAG SettingsDisplaying the Vlan Port Table Open the Vlan LAG Setting Assigning Vlan LAG SettingsDisplaying the Vlan LAG Table 132 133 Aggregating Ports Multicast Forwarding Support Configuring a Port to a LAGDefining LAG Membership Open the LAG Membership 135 Defining Multicast Global ParametersEnabling Bridge Multicast Filtering on the Device 136 Adding Bridge Multicast Address MembersEnabling Igmp Snooping on the Device Open the Bridge Multicast Group Adding Bridge Multicast AddressesAdd Bridge Multicast Group page opens Define the Vlan ID and New Bridge Multicast Address fields Assigning LAGs to Receive Multicast Service Defining Ports to Receive Multicast ServiceAssigning Multicast Forward All Parameters 138 Port Control Definition 139 Attaching a LAG to a Multicast Router or Switch Attaching a Port to a Multicast Router or SwitchOpen Bridge Multicast Forward All 140 141 Igmp Snooping 142 Displaying the Igmp Snooping Table 143 Viewing Statistics 144 Viewing Rmon StatisticsViewing Rmon Statistics Group Viewing Interface Statistics Viewing ChartsOpen the Rmon Statistics Group 145 146 Viewing the CPU Utilization CoS to Queue Mapping Table Default values Configuring Quality of ServiceVPT Tag Classification Information CoS Value Forwarding Queue Values Dscp to Queue Mapping Table Default Values CoS ServicesDscp Value Forwarding Queue Values 148 Defining CoS Global Parameters Enabling Quality of ServiceSelecting Trust 149 Assigning QoS/CoS settings for an interface Defining QoS Interface SettingsOpen the Interface Settings Displaying the QoS Interface Settings Table 151 Defining Queue SettingsClick Show All QoS Interface Settings Table page opens 152 Defining the Queue SettingsOpen the QoS Queue Settings Mapping a CoS value to a Queue Mapping CoS Values to QueuesOpen the CoS to Queue Mapping Table 153 Mapping a Dscp value and assigning priority queue Restoring default values 154Mapping Dscp Values to Queues 155 156 Accessing the Device Through the CLI Managing the Device Using the CLIConsole Connection Telnet Connection Command Mode Overview Using the CLIUser Exec Mode 158 159 Privileged Exec ModeGlobal Configuration Mode Interface Mode Interface Configuration ModeVlan Mode Port Channel Mode Command copy CLI CommandsCommand asset-tag Command Mode Command debug-modeUsage Guidelines Character Description Command exit configuration Command doCommand end Command help Command exit ExecExamples Help Command interface port-channel Command interface ethernetInterface ethernet interface Interface port-channel port-channel-number Command ip address Command interface vlanInterface vlan vlan-id Ip address ip-address Command login Command ip default-gatewayCommand ping Defaults 168 Command show tech-support command Command reloadReload 169 170 Show tech-support config memory 171 Command snmp-server communityDefault 172 Command username 173 Glossary 174 175 Flow Control FlappingFragment Host 177 178 179 180 181 182 183 Index 184 185 186