Dell™ PowerConnect™ 3024 Systems User's Guide Caution: Safety Instructions Introduction Installation Web Interface Console Interface Software Upgrades Appendix Notes, Notices, and Cautions NOTE: A NOTE indicates important information that helps you make better use of your computer. NOTICE: A NOTICE indicates either potential damage to hardware or loss of data and tells you how to avoid the problem. CAUTION: A CAUTION indicates a potential for property damage, personal injury, or death.
Back to Contents Page Introduction Dell™ PowerConnect™ 3024 Systems User's Guide Features Front Panel Indicators Rear Panel Descriptions Management Features The PowerConnect 3024 Fast Ethernet Managed Switch offers the following features: l l l l IP Assignment Mode SNMP Host Authorization Table User Authentication Mode — RADIUS Server IP Address, RADIUS Shared Secret, IP Filtering, and Allowed IP Addresses Layer 3 Priority — DiffServ l Configuration File Management l Enhanced Security Administration
Front Panel Indicators The front panel of the system contains the console port, all of the Ethernet ports, and the LEDs. As shown in the figure below, there are one system LED, two LEDs for each Fast Ethernet port, and three LEDs for each Gigabit Ethernet port on the switch. The following sections describe the front panel in more detail. Power LED The power LED shows the general operating status of the system as reflected by the following indicators: l Off — The unit is off.
l Off — The link is down. Rear Panel Descriptions The rear panel of the system contains the two Gigabit stacking ports and an AC power receptacle. AC Power Receptacle The switch automatically adjusts its power setting to any supply voltage in the range 90-240 volt AC. Management The following sections describe methods you can use to manage the switch.
Back to Contents Page Installation Dell™ PowerConnect™ 3024 Systems User's Guide Package Contents Before You Connect to the Network: Mounting Kit Instructions Connecting the Console Port Password Protection IP Address Assignment Stacking Connecting Devices to the Switch Package Contents Before you begin installing the switch, confirm that your package contains the following items: l Switch l Stacking cable l AC power cord l Null modem cable l Self-adhesive rubber pads for desktop installation l
The switch provides an RS-232 serial port that enables a connection to a PC or terminal for monitoring and configuring the switch. This port is a male DB-9 connector, implemented as a data terminal equipment (DTE) connection. To use the console port, you need the following equipment: l A terminal or TTY-compatible terminal, or a PC or portable system with a serial port and the ability to emulate a terminal.
4. Type your password again to confirm it. Press . 5. Press to save your changes. NOTE: If you enable password protection without setting your own password, the default password is switch. The user name is always root.
1. Perform Password Protection and IP Address Assignment for the root unit, the first unit of the stack. 2. Make sure to unplug the power cords of all the units in the stack. 3. Place or mount all units of the stack on top of each other with the root unit at the bottom of the stack. 4. Connect the stacking cable of the root unit to its STACK OUT port on the back of the unit. 5. Connect the stacking cable of the root unit to the STACK IN port of the second unit in the stack.
3. 4. Use the appropriate network cabling to connect a device to the connectors on the GBIC module. Enable the GBIC port in the web or console management interface by performing the following steps: Web interface: ¡ Select Port Manager, then select GBIC. ¡ To enable the GBIC module, select GBIC for the desired port. Console interface ¡ Select Port Manager. ¡ Place the cursor over the desired port number and press the spacebar to enable the GBIC module.
Back to Contents Page Web Interface Dell™ PowerConnect™ 3024 Systems User's Guide Web Pages Port Trunking Home Port Mirroring System Manager SNMP Port Manager Multimedia Support Address Manager Statistics Spanning Tree Save Configuration VLAN & CoS With web-based management, you can configure the PowerConnect 3024 Fast Ethernet Managed Switch and monitor the system using a web browser.
System Manager The System Manager page contains all system operations and general information. It includes links to the following options: l General Info — to view general system information and perform general administration. l IP Settings — to view or edit IP parameters. l Security Administration — to select user authentication, enable or disable password protection, filter by IP address. l Firmware Upgrade — to TFTP the latest firmware for upgrade.
In the IP Settings page, you can manage the IP related information about the system. The page includes the following editable fields: l IP address l Gateway address l Network mask l IP Assignment Mode — Sets whether IP functionality is enabled through manual (static) configuration or set by Dynamic Host Configuration Protocol (DHCP) or Boot Protocol (BootP). ¡ Manual — Sets static IP address. ¡ BootP — Gets IP address from a BootP server. ¡ DHCP — Gets IP address from a DHCP server.
Firmware Upgrade From the Firmware Upgrade page, you can configure the system to download a new version of the management software. You can also set the system to use the new software without overwriting the previous version. See "Software Upgrades" for more information about this process.
l To restore the preinstalled configuration, select Restore. l TFTP Server IP Address — Inserts the TFTP Server IP Address to save or load. l TFTP Path/Configuration Filename — Inserts the TFTP Path and configuration filename to save or load. l Transfer Configuration File to Server— Saves the switch configuration file to a server. l Transfer Configuration File from Server — Loads a configuration file from a server to the switch. l Restore — Restores preinstalled default settings.
l Link — Indicates the status of the link: Up or Down. l Admin Enabled — Allows the network administrator to manually disable a port. l State — Describes the state of the port as determined by the Spanning Tree Protocol. l Operating Parameters — Allows automatic or manual selection of port speed and duplex mode. l Flow Control Enabled — Allows automatic or manual selection of support for flow control.
The following options are available: l MAC Address — to enter the MAC address of a system you want to set as static. l Port Selection — to select the port associated with that system. l List box—lists all static addresses. l Add — adds any address when you select it from the list box and click the Add button. l Remove — removes any address when you select it from the list box and click the Remove button. To save any changes you make in this page for the current session, click Apply.
Address Aging In the Address Aging page, you can specify how long an address stays available to the switch if it is not configured as static. The following option is available: l Aging Time — sets the time before an address is purged from system. You can change this value to any number between 10 and 1,000,000 seconds. To save any changes you make in this page, click Apply. To reset these fields to their current value, click Reload.
Port Settings In the Port Settings page, you can specify spanning tree parameters for each port. This page is in a table format. For each port number listed under the Port column, the following fields are available: l Priority — Priority assigned to this port for the Spanning Tree Protocol (0 - 255). A port with a higher priority is less likely to be blocked if the Spanning Tree Protocol is detecting network loops. Low numeric value indicates a high priority.
l Name — User-defined name of the VLAN l VLAN ID — Numeric ID of the VLAN (1 - 4094) l Remove VLAN checkbox — Check this box to remove an existing VLAN l Port Toggle Buttons — Select VLAN membership for each port by toggling the value of the port button: ¡ : Port is a member of the VLAN. All packets transmitted by the port will be untagged, that is, not carry a tag and therefore not carry VLAN or CoS information. ¡ : Port is a member of the VLAN.
This page is set up in a table format. For each port listed in the Port column, you can type a PVID in the PVID column. Default Port CoS Port Priority allows the user to specify which ports have greater precedence in situations where traffic may be buffered in the switch due to congestion. The ports with a setting of "high" will transmit their packets before those with a "normal" setting. The settings on this page only affect ingress packets that are not already tagged for priority.
Port Trunking In the Port Trunking page, you can create multiple links between switches that work as one virtual, aggregate link. You can create four trunks at a time, with each trunk containing up to eight ports. Only ports of the same speed can belong to a single trunk: 10/100 Fast Ethernet ports and Gigabit Ethernet ports cannot be in the same trunk. NOTICE: Fast Ethernet trunks can only include ports from a single eight-port cluster: Ports 1 to 8, ports 9 to 16, or ports 17 to 24.
l Port Mirroring — Enables or disables port mirroring. l Source Port — Port from which all traffic will be mirrored to the monitor port. l Monitor Port — Port that receives a copy of all traffic that the source port receives. To save any changes you make in this page for the current session, click Apply. To reset these fields to their current value, click Reload.
Host Table From the SNMP Host Table page, you can add and remove hosts from access rights that have been granted to community groups. The permissions GET, SET, and TRAP are assigned to a community name and then these permissions are assigned to individual machines by adding those machines and their IP address to the appropriate community string. Host authorization can be enabled or disabled. If the host authorization is disabled (the default setting), the switch allows any SNMP manager to access the switch.
Multimedia Support There are two settings available from this page: IGMP and High Priority Optimization. IGMP With IGMP (Internet Group Management Protocol) Snooping, you can configure the switch to forward multicast traffic intelligently. Based on the IGMP query and report messages, the switch forwards traffic only to the ports that request multicast traffic. This prevents the switch from broadcasting the traffic to all ports and possibly disrupting network performance.
Statistics From the Statistics page, you can chart a variety of system data. You can see the value of each bar or line in the chart by clicking on the bar. For each chart, after you have set all the variables, click Draw. NOTE: Rates are displayed as counts per second. Counters are cumulative from the last time the system was booted. The following sections describe each type of chart. Comparison Chart The Comparison Chart compares one type of statistic across all of the ports.
The History Chart charts one type of statistic for any combination of ports. The chart presents data across a set time period so that you can monitor fluctuations over time. l Statistics — The type of system data to monitor l Refresh Rate — The time interval between automatic refreshes l Port Selection — The port for data to monitor Counter Reset The Counter Reset page allows you to reset all statistics counters.
Counter Summary The Counter Summary page allows you to view all ports accumulated, transmitted, and received unicast, nonunicast, and error packets. Click the Refresh button to refresh the Counter Summary page. Save Configuration If you make any changes to the system through the Web interface, you must save the changes in the Save Configuration page. The following options are available: l Save Configuration to NVRAM — Saves changes to the system configuration.
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Back to Contents Page Console Interface Dell™ PowerConnect™ 3024 Systems User's Guide User Interface Spanning Tree Navigating in the Console Interface VLAN and CoS Setup Password Protection Port Trunking Main Menu Port Mirroring System Manager SNMP Management Port Manager Multimedia Support Address Manager Statistics You can access the console, using VT100 terminal emulation, from the RS232 serial port or a telnet connection. The switch offers password protection for this interface.
password is switch. For more information about password protection, see "Security Admin." Main Menu The main menu displays all the sub-menus and pages that are available.
l MAC Address It also includes the following editable fields: l System Name l System Contact l System Location IP Settings This menu manages the IP-related information about the system. The IP Settings page includes the following editable fields: l IP address l Network mask l Gateway address l IP Assignment Mode — Sets whether IP functionality is enabled through manual (static) configuration or set by Dynamic Host Configuration Protocol (DHCP) or Boot Protocol (BootP).
Security Admin l User Authentication Mode — Selects the authentication or authentication sequence required. ¡ Local Only — The switch authenticates the user. ¡ Local then Remote — The switch attempts to authenticate the user first, and then a RADIUS server attempts to authenticate the user. ¡ Remote then Local — A RADIUS server attempts to authenticate the user first, and then the switch attempts to authenticate the user. ¡ Remote Only — A RADIUS server authenticates the user.
Configuration l To save the switch's current configuration file to a server, supply the TFTP server IP address and configuration filename, and then select Transfer Configuration File to Server. To load a configuration file from a server, supply the TPTP server IP address and configuration filename, and then select Transfer Configuration File from Server. l To restore the preinstalled configuration, select Restore. l TFTP Server IP Address — Inserts the TFTP Server IP Address to save or load.
Firmware Upgrade From the Firmware Upgrade screen, you can configure the system to download a new version of the management software. You can also set the system to use the new software without overwriting the previous version. See "Software Upgrades" for more information about this process.
Reset If you make any changes to the system through the console interface, you must save the changes in the Save Configuration screen. Once you save changes in this screen, you must go to the Reset screen and select the Reset menu option to reboot the system before the changes can take effect. Port Manager You can arrange the port characteristics related to link operations. To change settings for any parameter on this page, select the current value and press the space bar.
Address Manager The Address Manager screen includes the following options: l Static Addresses l Dynamic Addresses l Address Aging Static Addresses From the Static Addresses screen, you can specify the MAC address and port number of systems that are to remain available to the switch for an indeterminate amount of time. The following information is required to add a static MAC address: l Address — to enter the MAC address of a system you want to set as static.
Dynamic Addresses The Dynamic Addresses lookup table allows you to view the MAC addresses that are currently in the address database. When addresses are in the database, the packets intended for those addresses are forwarded directly to those ports. You can filter out the table by port, VLAN, and MAC address by checking those fields. Dynamic MAC address learning is enabled by default. This is the standard mode for a network switch.
Spanning Tree The Spanning Tree screen includes the following options: l Bridge Settings l Port Settings Bridge Settings From the Bridge Settings screen, you can enable and configure the spanning tree. The following options are available: l l Enable — turns the spanning tree on. If you enable the spanning tree, you must complete the following fields: ¡ Hello Time — sets the interval between configuration messages sent by the spanning tree protocol.
Port Settings In the Port Settings screen, you can specify spanning tree parameters for each port. This screen is in a table format. For each port number listed under the Port column, the following fields are available: l Priority — Priority assigned to this port for the Spanning Tree Protocol (0 - 255). A port with a higher priority is less likely to be blocked if the Spanning Tree Protocol is detecting network loops. Low numeric value indicates a high priority.
The VLAN Setup screen includes the following options: l VLAN Administration l VLAN Membership l PVID Settings l CoS Settings l Layer 3 Priority — DiffServ VLAN Administration You can add up to 64 VLANs with unique ID numbers and names. VLAN ID numbers must be in the range of 1 to 4094. Add a VLAN l Type a unique numeric VLAN ID and press . l Type a unique VLAN name and press . Remove a port or an entire VLAN To remove an entire VLAN, just press anywhere on that line.
VLAN Membership This matrix allows for real-time management of up to 64 VLANs. To add a port to a VLAN, position the cursor in the desired matrix location and toggle the options with the space bar. l : Port is a member of the VLAN. All packets transmitted by the port will be untagged, i.e., not carry a tag and therefore not carry VLAN or CoS information. l : Port is a member of the VLAN. All packets transmitted by the port will be tagged, i.e.
In the CoS Settings screen, you can specify the priority for each port on your switch. Layer 3 Priority — DiffServ l l DiffServ — You can change the default ToS priority by selecting Normal Priority or High Priority for each class of services. This setting leverages the IETF definition of the IPv4 Type of Service (ToS) octet in the IP packet-header by using the Differentiated Services Code. Point (DSCP) field(6 bits) classifies packets into any of the 64 possible classes.
Port Trunking In the Port Trunking page, you can create multiple links between switches that work as one virtual, aggregate link. You can create four trunks at a time, with each trunk containing up to eight ports. Only ports of the same speed can belong to a single trunk: 10/100 Fast Ethernet ports and Gigabit Ethernet ports cannot be in the same trunk. NOTICE: Fast Ethernet trunks can only include ports from a single eight-port cluster: Ports 1 to 8, ports 9 to 16, or ports 17 to 24.
From the Port Mirroring menu, you can monitor traffic on a specific port. The switch can monitor only single direction traffic, either transmission or reception. When port mirroring is enabled, all the transmission or receiving traffic of the mirrored port is forwarded to the mirroring port. The following options are available: l Port Mirroring — Enables or disables port mirroring. l Source Port — Port from which all traffic will be mirrored to the monitor port.
The following options are available: l Community Name — Type the name of the community you want to create. l Get — Allows read access to the switch's SNMP information for members of the SNMP community. l Set — Allows write access to the switch's SNMP information for members of the SNMP community. l Trap — Allows members of the SNMP community to receive SNMP traps. Host Table From the SNMP Host Table page, you can add and remove hosts from access rights that have been granted to community groups.
Trap Settings The SNMP Trap Setting allows for the setup of authentication traps. The following options are available: l Authentication Trap ¡ Enabled — The system generates an SNMP trap upon a host authorization failure. ¡ Disabled — The system does not generate authentication traps. All hosts in community strings with trap privileges are notified when a trap condition occurs. Multimedia Support There are two settings available from this page: IGMP and High Priority Optimization.
IGMP With IGMP (Internet Group Management Protocol) Snooping, you can configure the switch to forward multicast traffic intelligently. Based on the IGMP query and report messages, the switch forwards traffic only to the ports that request multicast traffic. This prevents the switch from broadcasting the traffic to all ports and possibly disrupting network performance. NOTE: IGMP requires a router that learns about the presence of multicast groups on its subnets and keeps track of group membership.
Statistics To view the statistics, select Statistics and hit the Enter key. Select Reset to reset the statistics settings. NOTE: Counters are cumulative from the last time the system was booted.
Back to Contents Page Software Upgrades Dell™ PowerConnect™ 3024 Systems User's Guide Upgrade Procedure The application software is field upgradable. The new software must reside on a TFTP server that can be accessed by the switch. Before you upgrade the firmware, ensure that Port Trunking is disabled. 1. Write down the current Port Trunking configurations. 2. Unplug all but one port from each of the trunks. 3. Delete all trunks through the management interface. 4. Save all configurations to NVRAM.
Back to Contents Page Appendix Dell™ PowerConnect™ 3024 Systems User's Guide VLAN Description Product Information VLAN Examples Returning Items for Warranty Repair or Credit Troubleshooting Before You Call Technical Specifications Contacting Dell Technical Assistance Regulatory Notices Problems With Your Order VLAN Description Packets received by the switch are treated in the following ways: l l When an untagged packet enters a port, the system automatically tags it with the port's default VLA
3. To allow untagged packets to participate in the new VLAN, change the Port VLAN IDs for the relevant ports.
Example 2 Example 2 steps through a more elaborate setup illustrating all possible scenarios for a comprehensive understanding of tagged VLANs. 1. Set up VLANs as shown in the following illustration: 2. Configure VLAN membership: This example includes two VLANs, using stack 1 only.
3. Set up the Port VLAN IDs as shown in the following illustration: The specific ports shown in the previous illustration have the following port VLAN ID settings.
Troubleshooting This section explains how to isolate and diagnose problems with the switch. If you have a problem that is not listed here and you can not solve it, please contact your supplier. LEDs The following sections discuss troubleshooting associated with the LEDs: l All LEDs are off Check the following: ¡ ¡ ¡ The cable to connect the switch. Ensure that you're using an RJ-45 (network) cable and not an RJ-11 (telephone) cable.
System LEDs 1 Port LEDs: 10/100BASE-T ports 2 per port Gigabit Ethernet ports 3 per port Power Input 100-240VAC 50-60Hz Physical Dimensions 440 mm x 260 mm x 45 mm Environmental Temperature: Operating 0º to 40ºC Storage -20º to 70º Relative humidity: Operating 10% to 90% Storage 5% to 90% Technical Assistance If you need help with a technical problem, Dell is ready to assist you. 1. Make a copy of the Diagnostics Checklist and fill it out. 2.
sales@dell.com apmarketing@dell.com (for Asian/Pacific countries only) l Electronic Information Service info@dell.com AutoTech Service Dell's automated technical support service—AutoTech—provides recorded answers to the questions most frequently asked by Dell customers about their portable and desktop computers. When you call AutoTech, use your touch-tone telephone to select the subjects that correspond to your questions. The AutoTech service is available 24 hours a day, 7 days a week.
Diagnostics Checklist Name: Date: Address: Phone number: Service tag (bar code on the back of the computer): Express Service Code: Return Material Authorization Number (if provided by Dell support technician): Switch Name and Firmware Version: Error message, beep code, or diagnostic code: Description of problem and troubleshooting procedures you performed: Contacting Dell To contact Dell electronically, you can access the following websites: l www.dell.com l support.dell.
Barbados General Support Belgium (Brussels) Website: support.euro.dell.com International Access Code: 00 Country Code: 32 E-mail: tech_be@dell.com E-mail for French Speaking Customers: support.euro.dell.
Country Code: 420 City Code: 2 Denmark (Copenhagen) International Access Code: 00 Technical Support 02 22 83 27 27 Customer Care 02 22 83 27 11 Fax 02 22 83 27 14 TechFax 02 22 83 27 28 Switchboard 02 22 83 27 11 Website: support.euro.dell.com E-mail Support (portable computers): den_nbk_support@dell.com E-mail Support (desktop computers): den_support@dell.com Country Code: 45 E-mail Support (servers): Nordic_server_support@dell.
001 Country Code: 852 India Ireland (Cherrywood) International Access Code: 16 Customer Service (non-technical, post-sales issues) toll-free: 800 96 4109 Large Corporate Accounts HK toll-free: 800 96 4108 Large Corporate Accounts GCP HK toll-free: 800 90 3708 Technical Support 1600 33 8045 Sales 1600 33 8044 Website: support.euro.dell.com E-mail: dell_direct_support@dell.com Ireland Technical Support Country Code: 353 U.K. Technical Support (dial within U.K.
Sales (Austin, Texas, U.S.A.) SalesFax (Austin, Texas, U.S.A.) 512 728-4397 512 728-4600 or 512 728-3772 Luxembourg International Access Code: 00 Website: support.euro.dell.com E-mail: tech_be@dell.
Norway (Lysaker) International Access Code: 00 Country Code: 47 Website: support.euro.dell.com E-mail Support (portable computers): nor_nbk_support@dell.com E-mail Support (desktop computers): nor_support@dell.com E-mail Support (servers): nordic_server_support@dell.
Fax Sweden (Upplands Vasby) International Access Code: 00 Country Code: 46 91 722 95 83 Website: support.euro.dell.com E-mail: swe_support@dell.com E-mail Support for Latitude and Inspiron: Swe-nbk_kats@dell.com E-mail Support for OptiPlex: Swe_kats@dell.com City Code: 8 E-mail Support for Servers: Nordic_server_support@dell.
Employee Purchase Program (EPP) Customers toll-free: 1-800-695-8133 Financial Services website: www.dellfinancialservices.
not expressly approved by Dell could void your authority to operate this equipment. This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: l This device may not cause harmful interference. l This device must accept any interference received, including interference that may cause undesired operation. Class A This equipment has been tested and found to comply with the limits for a Class A digital device pursuant to Part 15 of the FCC Rules.
l Class B is for typical domestic areas. This Dell device is classified for use in a typical Class B domestic environment. A "Declaration of Conformity" in accordance with the preceding directives and standards has been made and is on file at Dell Computer Corporation Products Europe BV, Limerick, Ireland. ENERGY STAR® Compliance Certain configurations of Dell™ computers comply with the requirements set forth by the Environmental Protection Agency (EPA) for energy-efficient computers.
Class A ITE This is a Class A product based on the standard of the Voluntary Control Council for Interference (VCCI) for information technology equipment. If this equipment is used in a domestic environment, radio disturbance may arise. When such trouble occurs, the user may be required to take corrective actions.
Class B Device Please note that this device has been approved for nonbusiness purposes and may be used in any environment, including residential areas. MIC Class B Regulatory Label If the regulatory label includes the following marking, your computer is a Class B product. Polish Center for Testing and Certification Notice The equipment should draw power from a socket with an attached protection circuit (a 3-prong socket).
BSMI Notice (Taiwan Only) If you find a or mark on the regulatory label on the bottom, side, or back panel of your computer, the following section is applicable:
NOM Information (Mexico Only) The following information is provided on the device(s) described in this document in compliance with the requirements of the official Mexican standards (NOM): Exporter: Dell Computer Corporation One Dell Way Round Rock, TX 78682 Importer: Dell Computer de México, S.A. de C.V. Paseo de la Reforma 2620 - 11° Piso Col. Lomas Altas 11950 México, D.F. Ship to: Dell Computer de México, S.A. de C.V. al Cuidado de Kuehne & Nagel de México S. de R.I. Avenida Soles No. 55 Col.
Back to Contents Page Caution: Safety Instructions Dell™ PowerConnect™ 3024 Systems User's Guide Use the following safety guidelines to ensure your own personal safety and to help protect your system from potential damage. General l Observe and follow service markings. Do not service any product except as explained in your system documentation. Opening or removing covers that are marked with the triangular symbol with a lightning bolt may expose you to electrical shock.
system, observe the following guidelines: ¡ Install the power supply before connecting the power cable to the power supply. ¡ ¡ l Unplug the power cable before removing the power supply. If the system has multiple sources of power, disconnect power from the system by unplugging all power cables from the power supplies. Move products with care; ensure that all casters and/or stabilizers are firmly connected to the system. Avoid sudden stops and uneven surfaces.
l Never connect or use a modem in a wet environment. l Do not plug a modem or telephone cable into the network interface controller (NIC) receptacle. l Disconnect the modem cable before opening a product enclosure, touching or installing internal components, or touching an uninsulated modem cable or jack. When Working Inside Your System Protecting Against Electrostatic Discharge Static electricity can harm delicate components inside your system.