Unmanaged Mode In this mode | Dell 28XX instruction

–The current running configuration is automatically saved to local storage. If the system is switched to unmanaged mode via the Managed Mode button, the system does not load the saved configuration, but it is still maintained in the device’s local storage.

–From Managed mode, you can move to Unmanaged mode by pressing the Mode button on the device, or you can move to Secure mode using the web interface (see "Entering Secure Mode" on page 62).

The factory default values, used when the device is in Managed mode, include:

–IP Address — 192.168.2.1

–Netmask — 255.255.255.0

–Username — admin

–Permission — R/W privilege

–DHCP Client — Off

–Flow Control — On

–STP — Off

•Unmanaged Mode — In this mode:

–The device does not have an IP address.

–STP is disabled.

–All ports belong to a single VLAN.

–There is no web management interface.

–The CLI works in Debug mode only.

–Default configuration is used.

–Managed Mode LED is OFF.

–Return to Managed mode by pressing the Mode button on the device for up to 7 seconds.

•Secure Mode — In this mode:

–This mode can be entered only from the Web management.

–The device retains the existing configuration active, but it prevents users from making configuration changes by removing the IP address of the device so that it becomes inaccessible for configuration.

–No web management interface is available, and the CLI works in Debug mode only.

–Managed Mode LED is OFF.

–Return to Managed mode by pressing the Mode button on the device for up to 7 seconds.

All modes are maintained throughout power cycles. The Managed Mode LED shows the current mode.

Dell PowerConnect 28xx Systems User Guide

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Dell 28XX manual Unmanaged Mode In this mode

Contents

User Guide March 4 Contents Installing the PowerConnect Device Using Dell OpenManage Switch Administrator Manually Allocating IP Addresses Static Hosts 144 169 System Description PowerConnect 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 PowerConnect 28xx Front and Back Panel Port Description Switch Port Configurations 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 RJ-45 Connections for 10/100/1000BASE-T Ports Cables, Port Connections, and Pinout Information1000BASE-T Cable Requirements 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 Mounting Device on a Wall Connecting the Terminal to the Device Connecting the DeviceConnecting the Device to the Network Connecting a Device to a Power Supply RJ-45 Connections for 10/100/1000BaseT Ports Port Connections, Cables, and Pinout Information Ports, Connectors and Cables Port/Interface Auto-Negotiation Port Default SettingsFlow Control Back Pressure Following table gives the port default settings Switching Port Default Settings 43+ Enter Wizard Management Modes Unmanaged Mode In this mode Transitioning Between Management Modes Transitioning Between Modes Restore Saved Configuration Initial Configuration Through the Set-up Wizard Booting the Device Managed Mode Welcome to Dell Easy Setup Wizard Wizard Step Wizard Step Basic Configuration Initial Configuration Through the Web Web management IP Interface Parameters Retrieving an IP Address From a Dhcp Server Startup Menu Erase Flash File Erasing the Device ConfigurationSoftware Download System Image Download Password RecoverySoftware Download Through Tftp Server Boot Image Download Understanding the Interface Using Dell OpenManage Switch Administrator Information Buttons Using the Switch Administrator Buttons Device Management Buttons Access LevelsStarting the Application Dell PowerConnect 28xx Systems User Guide Viewing Device Information Defining General Device Information Asset Defining System Information Initiating a Telnet Session Viewing the VersionsClick Apply Changes Resetting the Device Resetting the Device Entering Secure Mode Entering Secure Mode Defining IP Interface Parameters Setting static IP Interface parametersDefining Device IP Addresses No Cable Running Cable DiagnosticsViewing Copper Cable Diagnostics Performing a Cable Test Viewing Optical Transceiver DiagnosticsOpen the Integrated Cable Test Click Test Now Displaying Virtual Cable Test Results Table Optical Transceiver Diagnostics Open the Optical Transceiver Diagnostics Click Show All LOSLoss of Signal Loss of signal TXTransmitter Fault Transmitter fault Assigning Access Rights to a User Password 0-64 Characters User-defined passwordManaging Device Security Defining the Local User Databases Displaying the Local User Table Defining a New User Deleting Users Configuring Radius Global Parameters Defining Radius Parameters Open the Radius SettingsAdding a Radius Server Add Radius Server page opens Displaying the Radius Server List Modifying the Radius Server Settings Deleting a Radius Server for the Radius Servers List Defining Snmp Parameters 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 Downloading Files Managing Files 21. File Download From Server Firmware Download Uploading Files Configuration DownloadDownloading Files Open the File Download From Server Restoring Default Settings Restoring Default SettingsUploading Files Open the File Upload to Server → Dhcp Server → Dhcp Server Properties in the tree view Defining Dhcp Server SettingsConfiguring Dhcp Properties 24. Dhcp Server Properties Enabling the Dhcp Server Defining Network Pool Click Apply Changes. The server is enabled 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 Domain Name- SpecifiesAdding a new Static Host Click Show All Static Hosts Table page opens Displaying Static Hosts Tables Deleting Static Hosts Address Binding Configuring General Device Parameters Defining Advanced Settings Advanced Port Based Authentication Configuring Network SecurityPort Based Authentication → Port Based Authentication Configuring Port Based Authentication Displaying the Port Based Authentication Table Select an interface in the Port Based Authentication Table Copying Parameters in the Port Based Authentication Table Multiple Hosts Configuring Advanced Port Based Authentication Multiple Hosts Table Displaying the Multiple Hosts Table Click Show All Authenticated Users Table opens Authenticating UsersDisplaying the Authenticated Users Table 100 Authenticated Users Table 101 Configuring PortsDefining Port Parameters 102 Aggregating Ports Displaying the Port Configuration TableDefining Port Parameters Modifying Port Parameters 104 LAG Configuration Current Flow Control Open the LAG ConfigurationDefining LAG Parameters Modifying LAG Parameters 106 Configuring Green EthernetDisplaying the LAG Configuration Table 107 11. Green Ethernet Configuration Enabling Storm Control Open the Green Ethernet ConfigurationEnabling Green Ethernet on the Device 108 Displaying the Storm Control Table Enabling Storm Control on the DeviceClick Show All Storm Control Table opens 109 110 Defining Port Mirroring Sessions Open the Port Mirroring Adding a Port Mirroring SessionAdd Source Port page opens 111 Viewing Dynamic Addresses Configuring Address TablesDeleting a Copy Port from a Port Mirroring Session 112 113 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 115 16. STP Global Settings Select Enable in the Spanning Tree State field Open the STP Global SettingsDefining STP Global Parameters Modifying STP Global Parameters 117 Defining STP Port Settings 118 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 120 Defining STP LAG Settings 121 Open the STP LAG Settings Configuring Rapid Spanning TreeModifying the LAG STP Parameters 122 123 Enabling Rstp 124 Configuring VLANsDefining Vlan Members Open the Vlan Membership Adding New VLANsCreate New Vlan page opens 125 Modifying Vlan Membership Groups Vlan Port Membership TableDeleting Vlan Membership Groups 126 127 Assigning Ports to a Vlan GroupDeleting a Vlan Assigning Port Settings Defining Vlan Ports SettingsOpen the Vlan Port Settings 128 129 Defining Vlan LAG SettingsDisplaying the Vlan Port Table Open the Vlan LAG Setting Assigning Vlan LAG SettingsDisplaying the Vlan LAG Table 130 131 Aggregating Ports Multicast Forwarding Support Configuring a Port to a LAGDefining LAG Membership Open the LAG Membership 133 Defining Multicast Global ParametersEnabling Bridge Multicast Filtering on the Device 134 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 136 Port Control Definition 137 Attaching a LAG to a Multicast Router or Switch Attaching a Port to a Multicast Router or SwitchOpen Bridge Multicast Forward All 138 139 Igmp Snooping 140 Displaying the Igmp Snooping Table 141 Viewing Rmon StatisticsViewing Rmon Statistics Group Viewing the CPU Utilization Viewing ChartsViewing Interface Statistics Open the Rmon Statistics Group CPU Utilization 143 144 VPT Tag Classification InformationCoS Value Forwarding Queue Values 145 CoS ServicesDscp Value Forwarding Queue Values Defining CoS Global Parameters Defining CoS SettingsEnabling Quality of Service 147 Defining QoS Interface SettingsSelecting Trust Assigning QoS/CoS settings for an interface Defining Queue SettingsOpen the Interface Settings Displaying the QoS Interface Settings Table 149 Defining the Queue SettingsOpen the QoS Queue Settings Open the CoS to Queue Mapping Table Mapping CoS Values to QueuesMapping a CoS value to a Queue Mapping Dscp Values to Queues Restoring default valuesMapping a Dscp value and assigning priority queue 151 Open the Dscp to Queue Check the Restore Defaults checkbox Console Connection Accessing the Device Through the CLITelnet Connection 153 Command Mode Overview Using the CLIUser Exec Mode 154 155 Privileged Exec ModeGlobal Configuration Mode Interface Mode Interface Configuration ModeVlan Mode Port Channel Mode Command copy CLI Commands Command do Command debug-modeCharacter Description Debug-mode Command exit configuration Command end Command help Command exit ExecCommand interface ethernet 160 Command interface vlan Command interface port-channelInterface port-channel port-channel-number Interface vlan vlan-id 162 Command ip addressNo ip address Defaults Command pingUser Guidelines 163 164 Show tech-support config memory Command show tech-support commandShow clock show system show version 165 166 Command snmp-server community 167 Command usernameDefault 168 169 170 171 172 173 174 175 176 177 178 Index Page Page 182 183 184