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Dell 28XX manual Command snmp-server community, Default, 171

Models: 28XX

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show interfaces counters show users

show sessions show logging file show logging

If you specify the memory keyword, the show tech-supportcommand displays the output: flash info (dir if existed, or flash mapping)

buffers info (like print os buff) memory info (like print os mem) proc info (like print os tasks)

Command: snmp-server community

Use the snmp-server community command to set up the community access string to permit access to the Simple Network Management Protocol command. Use the no form of this command removes the specified community string.

snmp-server community community [ro rw su] [ipv4-address]no snmp-server community community [ipv4-address]

Syntax Description

•community — Community string that acts like a password and permits access to the SNMP protocol.

•ro — Specifies read-only access (Default)

•rw — Specifies read-write access

•su — Specifies SNMP administrator access

•ipv4-address— Management station IPv4 address. Default is all IP addresses.

Parameters range

•community — 1 - 20 chars

•ip-address— Valid IP address

Default

No community is defined

Command Mode

Global configuration

Dell PowerConnect 28xx Systems User Guide

171

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Dell 28XX manual Command snmp-server community, Default, 171

Contents

User Guide December Contents Retrieving an IP Address From a Dhcp Server Port Connections, Cables, and Pinout InformationUsing the Switch Administrator Buttons Using Dell OpenManage Switch AdministratorConfiguring the Spanning Tree Protocol 116 103114 144 126133 134161 158PowerConnect IntroductionSystem Description PowerConnect 2816 Front Panel Features Summary of PowerConnect ModelsGeneral Features AutoMDI/MDIX Support Virtual Cable Testing VCTAuto Negotiation Jumbo Frames SupportLayer 2 Features MAC Address Supported FeaturesVlan Supported Features Spanning Tree Protocol Features Ethernet Switch Management Features Class of Service CoS FeaturesSwitch Port Configurations PowerConnect 28xx Front and Back Panel Port DescriptionHardware Description PowerConnect 2808 Back Panel PowerConnect 2824 Front Panel PowerConnect 2824 Back Panel LED Definitions Physical DimensionsPort LEDs Power LEDManaged Mode LED Fan LED 2824/2848 onlyManaged Mode Button Switch Ventilation FanSFP Port LED RJ-45 Connections for 10/100/1000BASE-T Ports Port Default Settings Connector Port/Interface CableCables, Port Connections, and Pinout Information 1000BASE-T Cable RequirementsSFP Pin Connections Pin No Use SFP PortsInternal Power Supply Connector Power ConnectorsInstallation Precautions Installing the PowerConnect DeviceUnpacking the Device Package ContentsSite Requirements UnpackingDevice Rack Installation Mounting the DeviceOverview Bracket Installation for Rack Mounting Installing on a Flat SurfaceBracket Installation for Wall Mounting Installing on a WallConnecting the Device to the Network Connecting the DeviceConnecting the Terminal to the Device Connecting to Console Port Connecting a Device to a Power SupplyPorts, Connectors and Cables Port/Interface Port Connections, Cables, and Pinout InformationRJ-45 Connections for 10/100/1000BaseT Ports Back Pressure Port Default SettingsAuto-Negotiation Flow ControlPort Default Settings Function Switching Port Default SettingsDell PowerConnect 28xx Systems User Guide Starting and Configuring the Device Installation and Configuration Flow Booting the Device Managed ModeInitial Configuration Managed Mode Wizard Step Welcome to Dell Easy Setup WizardWizard Step Finally, setup the default gateway Advanced ConfigurationStartup Procedures Startup Menu ProceduresRetrieving an IP Address From a Dhcp Server Erase Flash File Software DownloadSystem Image Download Erasing the Device ConfigurationPassword Recovery Software Download Through Tftp ServerBoot Image Download Management Modes Default ValuesTransitioning Between Management Modes Transitioning Between ModesRestore Saved Configuration Returning to Managed ModeDell PowerConnect 28xx Systems User Guide Understanding the Interface Using Dell OpenManage Switch AdministratorInterface Components Name Device RepresentationInformation Buttons Description Using the Switch Administrator ButtonsLed Indicators Component Name Information ButtonsDevice Management Buttons Description Access LevelsStarting the Application Device Management ButtonsDell PowerConnect 28xx Systems User Guide Dell PowerConnect 28xx Systems User Guide Configuring System Information Defining General Device InformationViewing Device Information Asset Initiating a Telnet Session Viewing the VersionsDefining System Information Click Apply ChangesResetting the Device Resetting the DeviceEntering Secure Mode Entering Secure ModeDefining IP Interface Parameters Defining Device IP AddressesSetting static IP Interface parameters Running Cable DiagnosticsViewing Copper Cable Diagnostics Open the IP Interface Parameters Set Dhcp to EnableIntegrated Cable Test for Copper Cables Performing a Cable TestDisplaying Virtual Cable Test Results Table Viewing Optical Transceiver DiagnosticsOpen the Optical Transceiver Diagnostics Click Show All Defining the Local User Databases Password 0-64 Characters User-defined passwordAssigning Access Rights to a User Managing Device SecurityDefining a New User Displaying the Local User TableDeleting Users Click Show All Local User Table opens Select a User Name Configuring Radius Global ParametersOpen the Radius Settings Defining Radius ParametersAdding a Radius Server Modifying the Radius Server Settings Add Radius Server page opensDisplaying the Radius Server List Defining Snmp Parameters Click Show All Radius Servers List page opensDeleting a Radius Server for the Radius Servers List Enabling Authentication Notifications Defining Snmp Global ParametersEnabling Snmp Notifications Add Snmp Community page opens Defining CommunitiesDefining a New Community Open the Snmp CommunityDeleting Communities Displaying all Communities19. Notification Recipients Defining Snmp Notification RecipientsDisplaying Notification Recipients Tables Adding a new Trap RecipientsOpen Notification Recipients Add Notification Recipients page opensManaging Files Downloading FilesClick Show All Notification Recipients Tables page opens Firmware Download Configuration DownloadUploading Files Downloading FilesOpen the File Download From Server Uploading Files Defining Dhcp Server SettingsRestoring Default Settings Restoring Default Settings→ Dhcp Server → Dhcp Server Properties in the tree view Configuring Dhcp PropertiesClick Apply Changes. The server is enabled Defining Network PoolEnabling the Dhcp Server 25. Network Pool Excluding Addresses Adding an Excluded Address Open the Excluded AddressesDeleting Excluded Addresses 28. Static Hosts Manually Allocating IP Addresses Static HostsAdd Static Host page opens Adding a new Static HostClick Show All Static Hosts Table page opens Displaying Static Hosts TablesDeleting Static Hosts Configuring Address BindingConfiguring General Device Parameters Defining Advanced SettingsUpdate with your book title Advanced Port Based Authentication Configuring Device SwitchingConfiguring Network Security Port Based Authentication→ Port Based Authentication Configuring Port Based AuthenticationUpdate 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 Table100 Configuring Advanced Port Based Authentication101 Displaying the Multiple Hosts Table102 Authenticating UsersDisplaying the Authenticated Users Table Click Show All Authenticated Users Table opensConfiguring Ports Defining Port Parameters103 104 Modifying Port Parameters Displaying the Port Configuration TableAggregating Ports Defining Port Parameters106 LAG Configuration107 Displaying the LAG Configuration TableDefining LAG Parameters Modifying LAG ParametersConfiguring Green Ethernet LAG Configuration Table opens108 109 11. Green Ethernet Configuration110 Open the Green Ethernet ConfigurationEnabling Storm Control Enabling Green Ethernet on the Device111 Enabling Storm Control on the DeviceDisplaying the Storm Control Table Click Show All Storm Control Table opens112 Defining Port Mirroring Sessions113 Adding a Port Mirroring SessionOpen the Port Mirroring Add Source Port page opens114 Configuring Address TablesViewing Dynamic Addresses Deleting a Copy Port from a Port Mirroring SessionRedefining the Aging Time Open the Dynamic Address Table115 Sorting the Dynamic Address Table Configuring the Spanning Tree ProtocolDefining STP Global Settings Querying the Dynamic Address Table117 16. STP Global SettingsModifying STP Global Parameters Open the STP Global SettingsSelect Enable in the Spanning Tree State field Defining STP Global Parameters119 Defining STP Port Settings120 Ethernet Fast Ethernet Gigabit EthernetDisplaying the STP Port Table Click Apply Changes. STP is enabled on the portEnabling STP on a Port Modifying STP Port Properties122 Defining STP LAG Settings123 124 Configuring Rapid Spanning TreeOpen the STP LAG Settings Modifying the LAG STP Parameters19. Rapid Spanning Tree Rstp 125126 Configuring VLANsDefining Vlan Members Enabling Rstp127 Adding New VLANsOpen the Vlan Membership Create New Vlan page opens128 Vlan Port Membership TableModifying Vlan Membership Groups Deleting Vlan Membership GroupsAssigning Ports to a Vlan Group Deleting a Vlan129 130 Defining Vlan Ports SettingsAssigning Port Settings Open the Vlan Port SettingsDefining Vlan LAG Settings Displaying the Vlan Port Table131 132 Assigning Vlan LAG SettingsOpen the Vlan LAG Setting Displaying the Vlan LAG Table133 Aggregating PortsOpen the LAG Membership Configuring a Port to a LAGMulticast Forwarding Support Defining LAG MembershipDefining Multicast Global Parameters Enabling Bridge Multicast Filtering on the Device135 Adding Bridge Multicast Address Members Enabling Igmp Snooping on the Device136 Define the Vlan ID and New Bridge Multicast Address fields Adding Bridge Multicast AddressesOpen the Bridge Multicast Group Add Bridge Multicast Group page opens138 Defining Ports to Receive Multicast ServiceAssigning LAGs to Receive Multicast Service Assigning Multicast Forward All ParametersPort Control Definition 139140 Attaching a Port to a Multicast Router or SwitchAttaching a LAG to a Multicast Router or Switch Open Bridge Multicast Forward All141 Igmp Snooping142 Displaying the Igmp Snooping Table143 Viewing StatisticsViewing Rmon Statistics Viewing Rmon Statistics Group144 145 Viewing ChartsViewing Interface Statistics Open the Rmon Statistics Group146 Viewing the CPU UtilizationCoS Value Forwarding Queue Values Configuring Quality of ServiceCoS to Queue Mapping Table Default values VPT Tag Classification Information148 CoS ServicesDscp to Queue Mapping Table Default Values Dscp Value Forwarding Queue Values149 Enabling Quality of ServiceDefining CoS Global Parameters Selecting TrustDisplaying the QoS Interface Settings Table Defining QoS Interface SettingsAssigning QoS/CoS settings for an interface Open the Interface SettingsDefining Queue Settings Click Show All QoS Interface Settings Table page opens151 Defining the Queue Settings Open the QoS Queue Settings152 153 Mapping CoS Values to QueuesMapping a CoS value to a Queue Open the CoS to Queue Mapping TableRestoring default values 154 Mapping Dscp Values to QueuesMapping a Dscp value and assigning priority queue 155 156 Telnet Connection Managing the Device Using the CLIAccessing the Device Through the CLI Console Connection158 Using the CLICommand Mode Overview User Exec ModePrivileged Exec Mode Global Configuration Mode159 Port Channel Mode Interface Configuration ModeInterface Mode Vlan ModeCLI Commands Command asset-tagCommand copy Character Description Command debug-modeCommand Mode Usage GuidelinesCommand do Command endCommand exit configuration Help Command exit ExecCommand help ExamplesInterface port-channel port-channel-number Command interface ethernetCommand interface port-channel Interface ethernet interfaceIp address ip-address Command interface vlanCommand ip address Interface vlan vlan-idDefaults Command ip default-gatewayCommand login Command ping168 169 Command reloadCommand show tech-support command Reload170 Show tech-support config memoryCommand snmp-server community Default171 172 Command username173 Glossary174 175 Host FlappingFlow Control Fragment177 178 179 180 181 182 183 Index184 185 186