117, STP Global Settings | Dell 28XX specification

Figure 7-16. STP Global Settings

•Spanning Tree State — Enables or disables Spanning Tree on the device. The possible field values are:

–Enable — Enables Spanning Tree

–Disable — Disables Spanning Tree

•STP Operation Mode — The STP mode by which STP is enabled on the device. The possible field values are:

–Classic STP — Enables Classic STP on the device. This is the default value.

–Rapid STP — Enables Rapid STP on the device.

•BPDU Handling — Determines how BPDU packets are managed when STP is disabled on the port/ device. BPDUs are used to transmit spanning tree information. The possible field values are:

–Filtering — Filters BPDU packets when spanning tree is disabled on an interface.

–Flooding — Floods BPDU packets when spanning tree is disabled on an interface. This is the default value.

•Port Cost Default Values — Determines the Spanning Tree default path cost method. The possible field values are:

–Short — Specifies 1 through 65535 range for port path costs. This is the default value.

–Long — Specifies 1 through 200000000 range for port path costs.

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Dell 28XX manual 117, STP Global Settings

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 Configuring the Spanning Tree Protocol 116 103114 133 126134 144 161 158 PowerConnect IntroductionSystem Description PowerConnect 2816 Front Panel Features Summary of PowerConnect ModelsGeneral Features 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 Switch 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 Dimensions Managed Mode LED Power LEDFan LED 2824/2848 only Port LEDs Managed Mode Button Switch Ventilation FanSFP Port LED 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 Device Rack Installation Mounting the DeviceOverview 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 Ports, Connectors and Cables Port/Interface Port Connections, Cables, and Pinout InformationRJ-45 Connections for 10/100/1000BaseT Ports 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 Startup Procedures Startup Menu ProceduresRetrieving an IP Address From a Dhcp Server 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 Configuring System Information Defining General Device InformationViewing 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 Defining a New User Displaying the Local User TableDeleting Users Click Show All Local User Table opens Select a User Name Configuring Radius Global Parameters Open 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 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 Managing Files Downloading FilesClick Show All Notification Recipients Tables page opens Firmware Download Configuration Download Uploading Files Downloading FilesOpen the File Download From Server Restoring Default Settings Defining Dhcp Server SettingsRestoring Default Settings Uploading Files → Dhcp Server → Dhcp Server Properties in the tree view Configuring Dhcp Properties Click 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 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 Configuring Ports Defining Port Parameters103 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 Configuring Green Ethernet LAG Configuration Table opens108 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 Redefining the Aging Time Open the Dynamic Address Table115 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 Assigning Ports to a Vlan Group Deleting a Vlan129 Assigning Port Settings Defining Vlan Ports SettingsOpen the Vlan Port Settings 130 Defining Vlan LAG Settings Displaying the Vlan Port Table131 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 Defining Multicast Global Parameters Enabling Bridge Multicast Filtering on the Device135 Adding Bridge Multicast Address Members Enabling Igmp Snooping on the Device136 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 Viewing Rmon Statistics Viewing Rmon Statistics Group144 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 Defining Queue Settings Click Show All QoS Interface Settings Table page opens151 Defining the Queue Settings Open the QoS Queue Settings152 Mapping a CoS value to a Queue Mapping CoS Values to QueuesOpen the CoS to Queue Mapping Table 153 Restoring default values 154 Mapping Dscp Values to QueuesMapping a Dscp value and assigning priority queue 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 Privileged Exec Mode Global Configuration Mode159 Interface Mode Interface Configuration ModeVlan Mode Port Channel Mode CLI Commands Command asset-tagCommand copy Command Mode Command debug-modeUsage Guidelines Character Description Command do Command endCommand exit configuration 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 Command snmp-server community Default171 172 Command username 173 Glossary 174 175 Flow Control FlappingFragment Host 177 178 179 180 181 182 183 Index 184 185 186