User's Guide
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...an IP Address From a DHCP Server 45 4 Contents Managed Mode 40 Initial Configuration - Power Connectors 26 Internal Power Supply Connector 26 3 Installing the PowerConnect Device 27 Installation Precautions 27 Site Requirements 28 Unpacking 28 Package Contents 28 Unpacking the Device 28 Mounting the Device 29 Overview 29 Device Rack... a Device to a Power Supply 34 Port Connections, Cables, and Pinout Information 35 RJ-45 Connections for 10/100/1000BaseT Ports 35 Port Default Settings 36 Auto-Negotiation 36 MDI/MDIX 36 Flow Control 36 Back Pressure 36 Switching Port...
...an IP Address From a DHCP Server 45 4 Contents Managed Mode 40 Initial Configuration - Power Connectors 26 Internal Power Supply Connector 26 3 Installing the PowerConnect Device 27 Installation Precautions 27 Site Requirements 28 Unpacking 28 Package Contents 28 Unpacking the Device 28 Mounting the Device 29 Overview 29 Device Rack... a Device to a Power Supply 34 Port Connections, Cables, and Pinout Information 35 RJ-45 Connections for 10/100/1000BaseT Ports 35 Port Default Settings 36 Auto-Negotiation 36 MDI/MDIX 36 Flow Control 36 Back Pressure 36 Switching Port...
User's Guide
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... File 46 Erasing the Device Configuration 47 Password Recovery 47 Software Download Through TFTP Server 47 Management Modes 49 Default Values 49 Transitioning Between Modes 50 Returning to Managed Mode 51 5 Using Dell OpenManage Switch Administrator 53 Understanding the Interface 53 Device Representation 54 Using the Switch Administrator Buttons 55 Information Buttons...
... File 46 Erasing the Device Configuration 47 Password Recovery 47 Software Download Through TFTP Server 47 Management Modes 49 Default Values 49 Transitioning Between Modes 50 Returning to Managed Mode 51 5 Using Dell OpenManage Switch Administrator 53 Understanding the Interface 53 Device Representation 54 Using the Switch Administrator Buttons 55 Information Buttons...
User's Guide
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... Parameters 74 Defining SNMP Global Parameters 75 Defining Communities 76 Defining SNMP Notification Recipients 78 Managing Files 80 Downloading Files 80 Uploading Files 82 Restoring Default Settings 83 Defining DHCP Server Settings 83 Configuring DHCP Properties 84 Defining Network Pool 85 Excluding Addresses 87 Manually Allocating IP Addresses (Static Hosts 89...
... Parameters 74 Defining SNMP Global Parameters 75 Defining Communities 76 Defining SNMP Notification Recipients 78 Managing Files 80 Downloading Files 80 Uploading Files 82 Restoring Default Settings 83 Defining DHCP Server Settings 83 Configuring DHCP Properties 84 Defining Network Pool 85 Excluding Addresses 87 Manually Allocating IP Addresses (Static Hosts 89...
User's Guide
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...: exit (EXEC 164 Command: help 164 Command: interface ethernet 165 Command: interface port-channel 165 Command: interface vlan 166 Command: ip address 166 Command: ip default-gateway 167 Command: login 167 Command: ping 167 Commad: reload 169 Command: show tech-support command 169 Command: snmp-server community 171 Command: username 172...
...: exit (EXEC 164 Command: help 164 Command: interface ethernet 165 Command: interface port-channel 165 Command: interface vlan 166 Command: ip address 166 Command: ip default-gateway 167 Command: login 167 Command: ping 167 Commad: reload 169 Command: show tech-support command 169 Command: snmp-server community 171 Command: username 172...
User's Guide
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... (combo) RS232 serial port - The user may enable or disable this mode, the device operates as a hub with default configuration, and configuration cannot be changed. • Secure Mode - Provides switch management through the web interface. • ...port prevents buffer overflows by traffic competing for configuration. Dell PowerConnect 28xx Systems User Guide 11 Summary of PowerConnect Models The following modes: • Managed Mode - PowerConnect Models Model PowerConnect 2808 PowerConnect 2816 PowerConnect 2824 PowerConnect 2848 Copper Ports/ RJ-45 Connectors Optical Ports/ GbE...
... (combo) RS232 serial port - The user may enable or disable this mode, the device operates as a hub with default configuration, and configuration cannot be changed. • Secure Mode - Provides switch management through the web interface. • ...port prevents buffer overflows by traffic competing for configuration. Dell PowerConnect 28xx Systems User Guide 11 Summary of PowerConnect Models The following modes: • Managed Mode - PowerConnect Models Model PowerConnect 2808 PowerConnect 2816 PowerConnect 2824 PowerConnect 2848 Copper Ports/ RJ-45 Connectors Optical Ports/ GbE...
User's Guide
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... copper links. AutoMDI/MDIX Support The switch automatically detects whether the cable connected to an RJ-45 port is enabled by default. This feature is automatically enabled for server-to-server transfers. Auto Negotiation Auto negotiation allows an Ethernet switch to advertise modes... to prevent buffer overflows. Jumbo frames are detected: • Cable Type and Status • Cable Length • Fault-Distance 12 Dell PowerConnect 28xx Systems User Guide Flow Control Support (IEEE802.3X) On Full Duplex links (FDX), the flow control mechanism allows the receiving side...
... copper links. AutoMDI/MDIX Support The switch automatically detects whether the cable connected to an RJ-45 port is enabled by default. This feature is automatically enabled for server-to-server transfers. Auto Negotiation Auto negotiation allows an Ethernet switch to advertise modes... to prevent buffer overflows. Jumbo frames are detected: • Cable Type and Status • Cable Length • Fault-Distance 12 Dell PowerConnect 28xx Systems User Guide Flow Control Support (IEEE802.3X) On Full Duplex links (FDX), the flow control mechanism allows the receiving side...
User's Guide
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... invalid software image. DHCP is a method of managing network parameter assignment from a network server upon system startup. The information replied is an on the default VLAN, until a BootP server replies. BootP and DHCP Clients DHCP (Dynamic Host Configuration Protocol) enables additional setup parameters to be used to automatically prevent .... • Higher bandwidth connections • Improved bandwidth granularity • High bandwidth server connectivity A LAG is considered too long of a response time for the switch Dell PowerConnect 28xx Systems User Guide 15
... invalid software image. DHCP is a method of managing network parameter assignment from a network server upon system startup. The information replied is an on the default VLAN, until a BootP server replies. BootP and DHCP Clients DHCP (Dynamic Host Configuration Protocol) enables additional setup parameters to be used to automatically prevent .... • Higher bandwidth connections • Improved bandwidth granularity • High bandwidth server connectivity A LAG is considered too long of a response time for the switch Dell PowerConnect 28xx Systems User Guide 15
User's Guide
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...45 Connections for 10/100/ 1000BASE-T Ethernet Port Pin No 1 2 3 4 5 Function TxRx 1+ TxRx 1TxRx 2+ TxRx 2TxRx 3+ 24 Dell PowerConnect 28xx Systems User Guide Table 2-7. RJ-45 Pin Number Allocation for 10/100/1000BASE-T Ports The 10/100/1000BASE-T ports are only recommendations for... interfaces, and provides information about cables and port connections. Figure 2-10. Table 2-6. However, it is recommended that are connected. Port Default Settings Connector RJ-45 Port/Interface 10/100/1000BASE-T Port Cable Cat.5 The following table. High-speed workstations, hubs, routers, or...
...45 Connections for 10/100/ 1000BASE-T Ethernet Port Pin No 1 2 3 4 5 Function TxRx 1+ TxRx 1TxRx 2+ TxRx 2TxRx 3+ 24 Dell PowerConnect 28xx Systems User Guide Table 2-7. RJ-45 Pin Number Allocation for 10/100/1000BASE-T Ports The 10/100/1000BASE-T ports are only recommendations for... interfaces, and provides information about cables and port connections. Figure 2-10. Table 2-6. However, it is recommended that are connected. Port Default Settings Connector RJ-45 Port/Interface 10/100/1000BASE-T Port Cable Cat.5 The following table. High-speed workstations, hubs, routers, or...
User's Guide
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... manually set to its transmission rate, duplex mode and flow control (the flow control by default. It can be enabled per port by default is enabled. Back Pressure The device supports back pressure for additional traffic. 36 Dell PowerConnect 28xx Systems User Guide The back pressure mechanism prevents the transmitting side from transmitting additional...
... manually set to its transmission rate, duplex mode and flow control (the flow control by default. It can be enabled per port by default is enabled. Back Pressure The device supports back pressure for additional traffic. 36 Dell PowerConnect 28xx Systems User Guide The back pressure mechanism prevents the transmitting side from transmitting additional...
User's Guide
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Port Default Settings Function Port speed and mode Port forwarding state Port tagging Flow Control Back Pressure MDIX (not user-configurable) Default Setting 10/100/1000BaseT copper: auto-negotiation full duplex Enabled No tagging On Off (disabled on ingress) On (relevant to coppers ports only) Dell PowerConnect 28xx Systems User Guide 37 Table 3-3. Switching Port Default Settings The following table gives the port default settings.
Port Default Settings Function Port speed and mode Port forwarding state Port tagging Flow Control Back Pressure MDIX (not user-configurable) Default Setting 10/100/1000BaseT copper: auto-negotiation full duplex Enabled No tagging On Off (disabled on ingress) On (relevant to coppers ports only) Dell PowerConnect 28xx Systems User Guide 37 Table 3-3. Switching Port Default Settings The following table gives the port default settings.
User's Guide
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... to be managed either from your network administrator before completely booting. NOTE: The initial simple configuration uses the following assumptions: • The PowerConnect device was never configured before, and is in other modes. The Setup Wizard guides you received it. • The... 1) • The IP subnet mask for the network • The default gateway (next hop router) IP address for the first time or if the configuration file is empty because the device is factory-set as possible. Dell PowerConnect 28xx Systems User Guide 41 If a critical problem is loaded into RAM....
... to be managed either from your network administrator before completely booting. NOTE: The initial simple configuration uses the following assumptions: • The PowerConnect device was never configured before, and is in other modes. The Setup Wizard guides you received it. • The... 1) • The IP subnet mask for the network • The default gateway (next hop router) IP address for the first time or if the configuration file is empty because the device is factory-set as possible. Dell PowerConnect 28xx Systems User Guide 41 If a critical problem is loaded into RAM....
User's Guide
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... SNMP Management System IP address (optional) • Username and Password • Device IP address • IP subnet mask • Default Gateway IP address The Setup Wizard displays the following information displays: 42 Dell PowerConnect 28xx Systems User Guide The following information: Welcome to enter the setup wizard (you must respond to the next...
... SNMP Management System IP address (optional) • Username and Password • Device IP address • IP subnet mask • Default Gateway IP address The Setup Wizard displays the following information displays: 42 Dell PowerConnect 28xx Systems User Guide The following information: Welcome to enter the setup wizard (you must respond to the next...
User's Guide
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...the "community string" or password that the particular management system uses to access the switch. To setup the SNMP management account you use Dell Network Manager or CLI to change privilege levels later. To add a management station: Please enter the SNMP community string to be used to...] Please enter the IP address of the device (A.B.C.D):10.6.22.100 Please enter the IP subnet mask (A.B.C.D or nn):[255.255.255.224] Dell PowerConnect 28xx Systems User Guide 43 The wizard automatically assigns the highest access level [Privilege Level 15] to this setting, and to access the Telnet,...
...the "community string" or password that the particular management system uses to access the switch. To setup the SNMP management account you use Dell Network Manager or CLI to change privilege levels later. To add a management station: Please enter the SNMP community string to be used to...] Please enter the IP address of the device (A.B.C.D):10.6.22.100 Please enter the IP subnet mask (A.B.C.D or nn):[255.255.255.224] Dell PowerConnect 28xx Systems User Guide 43 The wizard automatically assigns the highest access level [Privilege Level 15] to this setting, and to access the Telnet,...
User's Guide
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... Configuration This section provides information about dynamic allocation of the gateway from the server includes the IP address, and may include subnet mask and default gateway. 44 Dell PowerConnect 28xx Systems User Guide Press Enter. When configuring/receiving IP addresses through DHCP, the configuration received from which this network is correct, please select...
... Configuration This section provides information about dynamic allocation of the gateway from the server includes the IP address, and may include subnet mask and default gateway. 44 Dell PowerConnect 28xx Systems User Guide Press Enter. When configuring/receiving IP addresses through DHCP, the configuration received from which this network is correct, please select...
User's Guide
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...field, enter the file path for the file to be taken into account: if no selection is selected in 2 seconds - This default value can be changed through CLI. The following sections describe the available Startup menu options. NOTE: After software download, the device reboots... Startup menu: 1 From the Startup menu, press [1]. Erase FLASH File In some cases, the device configuration must be reconfigured. 46 Dell PowerConnect 28xx Systems User Guide I-Cache 8 KB. If the configuration is downloaded. The software is erased, all parameters configured via CLI, EWS...
...field, enter the file path for the file to be taken into account: if no selection is selected in 2 seconds - This default value can be changed through CLI. The following sections describe the available Startup menu options. NOTE: After software download, the device reboots... Startup menu: 1 From the Startup menu, press [1]. Erase FLASH File In some cases, the device configuration must be reconfigured. 46 Dell PowerConnect 28xx Systems User Guide I-Cache 8 KB. If the configuration is downloaded. The software is erased, all parameters configured via CLI, EWS...
User's Guide
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... describes the Managed Mode LED indications. In this mode, no web management interface is available, and CLI works in the CDB-default configuration is used when the device is no configuration in debug mode only. Off • Flow Control - The device reboots.... in Unmanaged mode, include: • IP Address - 192.168.2.1 • Netmask - 255.255.255.0 • Username - admin • Permission - Off Dell PowerConnect 28xx Systems User Guide 49 From Managed mode, you can move to continue (y/n) [n]? 5 Enter y. The following modes: • Managed Mode - On • STP...
... describes the Managed Mode LED indications. In this mode, no web management interface is available, and CLI works in the CDB-default configuration is used when the device is no configuration in debug mode only. Off • Flow Control - The device reboots.... in Unmanaged mode, include: • IP Address - 192.168.2.1 • Netmask - 255.255.255.0 • Username - admin • Permission - Off Dell PowerConnect 28xx Systems User Guide 49 From Managed mode, you can move to continue (y/n) [n]? 5 Enter y. The following modes: • Managed Mode - On • STP...
User's Guide
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... a saved configuration, this option uses the system default IP address, user name and password. • Apply Changes - Loads a previously saved configuration. • Use Saved IP/User Name/Password - Returning to Managed Mode When returning to retrieve a saved configuration. When restoring local configuration, this page. Dell PowerConnect 28xx Systems User Guide 51 This page...
... a saved configuration, this option uses the system default IP address, user name and password. • Apply Changes - Loads a previously saved configuration. • Use Saved IP/User Name/Password - Returning to Managed Mode When returning to retrieve a saved configuration. When restoring local configuration, this page. Dell PowerConnect 28xx Systems User Guide 51 This page...
User's Guide
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.... Query Queries tables. Reset All Counters Clears statistic counters. For information about assigning an IP address to the device. The Dell PowerConnect OpenManage™ Switch Administrator home page opens. Starting the Application 1 Open a web browser. 2 Enter the device's IP ...an easy method of the following : Table 5-4. Telnet Starts a Telnet session. NOTE: The device is not configured with a default password, and can be configured without entering a password. For information about management modes, see "Password Recovery. For more information about...
.... Query Queries tables. Reset All Counters Clears statistic counters. For information about assigning an IP address to the device. The Dell PowerConnect OpenManage™ Switch Administrator home page opens. Starting the Application 1 Open a web browser. 2 Enter the device's IP ...an easy method of the following : Table 5-4. Telnet Starts a Telnet session. NOTE: The device is not configured with a default password, and can be configured without entering a password. For information about management modes, see "Password Recovery. For more information about...
User's Guide
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...removing the IP address of 192.168.2.1. To exit Secure Mode, press the Managed Mode button on the device to enter the Managed Mode default configuration with your book title 63 For information about management modes, see "Managing Files" on page 49. To open the Secure Mode page,... click System → General → Secure Mode in the Secure management mode. Figure 6-5. A confirmation message displays. 3 Click OK. Update with the default IP address of the switch so that it prevents users from making any further configuration changes to Secure Mode via the web interface. To use...
...removing the IP address of 192.168.2.1. To exit Secure Mode, press the Managed Mode button on the device to enter the Managed Mode default configuration with your book title 63 For information about management modes, see "Managing Files" on page 49. To open the Secure Mode page,... click System → General → Secure Mode in the Secure management mode. Figure 6-5. A confirmation message displays. 3 Click OK. Update with the default IP address of the switch so that it prevents users from making any further configuration changes to Secure Mode via the web interface. To use...
User's Guide
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... DHCP IP Address - Specifies the Subnet Mask received from the DHCP server. • DHCP Subnet Mask - The DHCP default value is used). Specifies the static Default Gateway Address, currently assigned to the device. • Subnet Mask- The page is also used to approve dynamic assignments received...DHCP server. 64 Update with your book title Defining Device IP Addresses The IP Addressing page contains links for assigning interface and default gateway IP addresses, and enabling or disabling DHCP. Defining IP Interface Parameters The IP Interface Parameters page is used to make ...
... DHCP IP Address - Specifies the Subnet Mask received from the DHCP server. • DHCP Subnet Mask - The DHCP default value is used). Specifies the static Default Gateway Address, currently assigned to the device. • Subnet Mask- The page is also used to approve dynamic assignments received...DHCP server. 64 Update with your book title Defining Device IP Addresses The IP Addressing page contains links for assigning interface and default gateway IP addresses, and enabling or disabling DHCP. Defining IP Interface Parameters The IP Interface Parameters page is used to make ...