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There are four models in the family including a 24-Port Gigabit Managed Switch with 4 combo SFP gigabit or 100BASE-FX fiber ports, a 48-Port Gigabit Managed Switch with 4 combo SFP ports, and a PoE version of each model. The D-Link DGS-3100 family is equipped with robust features that fulfill the most demanding network needs in today’s multimedia-intensive world. Stackable up to 6 units under a single IP, the switches provide a total of up to 288Gbps aggregated bandwidth, each with 20Gbps full-duplex of fixed stacking bandwidth. Designed with efficient QoS features, these D-Link switches facilitate smooth videos and jitter-free VoIP deployments. To help secure your network, D-Link implements both the Safeguard Engine to prevent Denial-of-Service attacks, and Access Control List to enhance security to your network. The 3100 family is equipped with industry standard management features such as an easy-to-use web-based administrator interface and CLI interface. D-Link provides features on an cost-effective platform that will increase your company’s productivity and protect your investment. Stackable up to 6 Units Each switch in the DGS-3100 family includes two built-in stacking ports that can provide up to 20Gbps in stacking backplane. This will enhance your overall network performance for those switches transmitting large files. Under stacking mode, the switches are hot-swappable meaning that in a stack configuration, any of the switches can be replaced or removed without affecting the network. There is no need to reconfigure a replacement switch; simply give the new switch the same stack number ID as the old switch and the new switch will carry the same configuration as before. This minimizes the downtime of a network and maximizes the productivity of your business. Also, cross stack port mirroring and port trunking are supported to facilitate network administration.
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The D-Link Safeguard Engine and Security The DGS-3100 incorporates advanced mechanisms to detect an attack against the central processing unit of the switch and to take corrective action on the attacking interface. When a Denial of Service attack is waged against the DGS-3100 switches, the D-Link Safeguard Engine detects the threat and prevents an overload of the central processor, ensuring network integrity and helping to maintain open network bandwidth channels. In addition, D-Link switches support 802.1x authentication, which is a secure implementation that allows users to log onto your network. When used in conjunction with a RADIUS server, 802.1x requires each workstation attached to the DGS-3100 to provide a username and password before gaining access to the local area network. Time-based ACL 1 is especially useful for K-12 or college environments when access can be limited based on time. Voice and Video Applications For today’s business, having voice, data, and video on the same network is common practice. This challenge is met by the D-Link 3100 family, which supports 802.1p Quality of Service (Qos) with 4 queues. The administrator can designate the priority of the traffic based on a variety of means including IP and MAC address, so that voice data is always clear and jitter-free. Video traffic can also be assigned with the same priority. In addition, the D-Link 3100 family provides IGMP Snooping, which allows the forwarding of multicast packets without increasing network broadcast congestion. By snooping IGMP registration information within a frame, a list of workstations who have joined the multicast group is created. This list then allows the switch to intelligently forward packets to only the appropriate member workstations. For IPv6 traffic, the DGS-3100 supports MLD snooping 1. The DGS-3100 family also supports 802.1Q VLANs, allowing QoS and security to be achieved on a data laden network.Page 3 DGS-3100 FamilyPage 4 DGS-3100 Family. User Manual V2.
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20 All rights reserved. Reproduction in any manner whatsoever without the written permission of D-Link Computer Corporation is strictly forbidden. Trademarks used in this text: D-Link and the D-Link logo are trademarks of D-Link Computer Corporation; Microsoft and Windows are registered trademarks of Microsoft Corporation. Other trademarks and trade names may be used in this document to refer to either the entities claiming the marks and names or their products. D-Link Computer Corporation disclaims any proprietary interest in trademarks and trade names other than its own. FCC Warning 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. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with this user s guide, may cause harmful interference to radio communications. Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense. CE Mark Warning This is a Class A product. In a domestic environment, this product may cause radio interference in which case the user may be required to take adequate measures. Warnung! Dies ist ein Produkt der Klasse A. Im Wohnbereich kann dieses Produkt Funkstoerungen verursachen. In diesem Fall kann vom Benutzer verlangt werden, angemessene Massnahmen zu ergreifen.The DGS-3100 series and the DGS TG are perfect for departmental and enterprise connections, and are ideal for backbone and server connections. Viewing the Device The devices described in this section are stackable Gigabit Ethernet Managed Switches. Device management is performed using an Embedded Web Server (EWS) or through a Command Line Interface (CLI).
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The device configuration is performed via an RS-232 interface. The DGS-3100 series also provides 4 Mini-GBIC (SFP) combo ports which connect fiber optic media to switches, servers, or network backbone. The DGS-3100 series provides an additional RS-232 port (console port) for managing the switch via a console terminal or PC with a Terminal Emulation Program. DGS-3100 Series Front Panel Figure 1 DGS-3100 Series 48 Port Front Panel The DGS TG provides eight high performance 1000BASE-TX ports. The DGS TG also provides 16 Mini-GBIC (SFP) ports which connect fiber optic media to switches, servers, or network backbone. The DGS TG provides an additional RS-232 port (console port) for managing the switch via a console terminal or PC with a Terminal Emulation Program. Figure 2 DGS TG Front Panel ii The SNMP agent decodes the incoming SNMP messages, and replies to requests with MIB objects stored in the database. The SNMP agent updates the MIB objects to generate statistics and counters. Command Line Console The device also supports device configuration using the Command Line Interface. A terminal is connected to device via the serial console port. iii Section 2, Defining the Basic Device Configuration Provides information for viewing system information, defining IP addresses, managing stacking, defining ports, configuring SNMP management, and defining the system time settings. Section 3, Configuring L2 Features Provides information for enabling and configuring Jumbo frames, VLANs, Trunks (LAGs), Traffic Segmentation, Multicast forwarding, and Spanning Tree. Section 4, Configuring Quality of Service Provides information for ability to implement QoS and priority queuing within a network. Section 5, Security Features Provides information for enabling and configuring device security. Section 6, Monitoring the Device Provides information for monitoring the device. Section 7, Managing Power over Ethernet Devices Provides information configuring the PoE function.
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Section 8, Defining Access Profile Lists Provides information for configuring the ACL. This guide is intended for network managers familiar with network management concepts and terminology. Notes, Notices, and Cautions NOTE: A NOTE indicates important information that helps you make better use of your device. 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. Safety Cautions Use the following safety guidelines to ensure your own personal safety and to help protect your system from potential damage. Throughout this safety section, the caution icon ( ) is used to indicate cautions and precautions that you need to review and follow. To reduce the risk of bodily injury, electrical shock, fire, and damage to the equipment, observe the following precautions. iv Opening or removing covers that are marked with the triangular symbol with a lightning bolt may expose you to electrical shock. Only a trained service technician should service components inside these compartments. If any of the following conditions occur, unplug the product from the electrical outlet and replace the part or contact your trained service provider: The power cable, extension cable, or plug is damaged. An object has fallen into the product. The product has been exposed to water. The product has been dropped or damaged. The product does not operate correctly when you follow the operating instructions. Keep your system away from radiators and heat sources. Also, do not block the cooling vents. Do not spill food or liquids on your system components, and never operate the product in a wet environment. If the system gets wet, see the appropriate section in your troubleshooting guide or contact your trained service provider. Do not push any objects into the openings of your system.
Doing so can cause a fire or an electric shock by shorting out interior components. Use the product only with approved equipment. Allow the product to cool before removing covers or touching internal components. Operate the product only from the type of external power source indicated on the electrical ratings label. If you are not sure of the type of power source required, consult your service provider or local power company. Use only approved power cable(s). If you have not been provided with a power cable for your system or for any AC-powered option intended for your system, purchase a power cable that is approved for use in your country. The power cable must be rated for the product and for the voltage and current marked on the product's electrical ratings label. The voltage and current rating of the cable should be greater than the ratings marked on the product. To help prevent an electric shock, plug the system and peripheral power cables into properly grounded electrical outlets. These cables are equipped with three-prong plugs to help ensure proper grounding. Do not use adapter plugs or remove the grounding prong from a cable. If you must use an extension cable, use a 3-wire cable with properly grounded plugs. Observe extension cable and power strip ratings. Make sure that the total ampere rating of all products plugged into the extension cable or power strip does not exceed 80 percent of the ampere ratings limit for the extension cable or power strip. To help protect your system from sudden, transient increases and decreases in electrical power, use a surge suppressor, line conditioner, or uninterruptible power supply (UPS). Position system cables and power cables carefully; route cables so that they cannot be stepped on or tripped over. Be sure that nothing rests on any cables. Do not modify power cables or plugs. Consult a licensed electrician or your power company for site modifications.
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When connecting or disconnecting power to hot-pluggable power supplies, if offered with your system, observe the following guidelines: Install the power supply before connecting the power cable to the power supply. 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. v. Avoid sudden stops and uneven surfaces. General Precautions for Rack-Mountable Products Observe the following precautions for rack stability and safety. Also refer to the rack installation documentation accompanying the system and the rack for specific caution statements and procedures. Systems are considered to be components in a rack. CAUTION: Installing systems in a rack without the front and side stabilizers installed could cause the rack to tip over, potentially resulting in bodily injury under certain circumstances. Therefore, always install the stabilizers before installing components in the rack. The weight of more than one extended component could cause the rack to tip over and may result in serious injury. Before working on the rack, make sure that the stabilizers are secured to the rack, extended to the floor, and that the full weight of the rack rests on the floor. Install front and side stabilizers on a single rack or front stabilizers for joined multiple racks before working on the rack. Always load the rack from the bottom up, and load the heaviest item in the rack first. Make sure that the rack is level and stable before extending a component from the rack. Use caution when pressing the component rail release latches and sliding a component into or out of a rack; the slide rails can pinch your fingers. After a component is inserted into the rack, carefully extend the rail into a locking position, and then slide the component into the rack. Do not overload the AC supply branch circuit that provides power to the rack.
The total rack load should not exceed 80 percent of the branch circuit rating. Ensure that proper airflow is provided to components in the rack. Do not step on or stand on any component when servicing other components in a rack. NOTE: A qualified electrician must perform all connections to DC power and to safety grounds. All electrical wiring must comply with applicable local or national codes and practices. CAUTION: Never defeat the ground conductor or operate the equipment in the absence of a suitably installed ground conductor. Contact the appropriate electrical inspection authority or an electrician if you are uncertain that suitable grounding is available. CAUTION: The system chassis must be positively grounded to the rack cabinet frame. Do not attempt to connect power to the system until grounding cables are connected. Completed power and safety ground wiring must be inspected by a qualified electrical inspector. An energy hazard will exist if the safety ground cable is omitted or disconnected. vi To prevent static damage, discharge static electricity from your body before you touch any of the electronic components, such as the microprocessor. You can do so by periodically touching an unpainted metal surface on the chassis. You can also take the following steps to prevent damage from electrostatic discharge (ESD): 1. When unpacking a static-sensitive component from its shipping carton, do not remove the component from the antistatic packing material until you are ready to install the component in your system. Just before unwrapping the antistatic packaging, be sure to discharge static electricity from your body. 2. When transporting a sensitive component, first place it in an antistatic container or packaging. 3. Handle all sensitive components in a static-safe area. If possible, use antistatic floor pads and workbench pads and an antistatic grounding strap. Battery Handling Reminder CAUTION: This is danger of explosion if the battery is incorrectly replaced.
Replace only with the same or equivalent type recommended by the manufacturer. Discard used batteries according to the manufacturer's instructions. vii For example; Please note that the proxy for session connection should be turned off. NOTE: The Factory default IP address for the Switch is This section contains information on starting the D-Link Embedded Web Interface. To access the D-Link user interface: 1. Open an Internet browser. Ensure that pop-up blockers are disabled. If pop-up blockers are enabled, edit, add, and device information messages may not open. 2. Enter the device IP address in the address bar and press Enter. Using the Web-Based User Interface The user interface provides access to various switch configuration and management windows, allows you to view performance statistics, and permits you to graphically monitor the system status. The screen captures in this Guide represent the DGS port device. The Web pages in the 24 port and the DGS TG devices may vary slightly. Understanding the D-Link Embedded Web Interface The D-Link Embedded Web Interface Device Information Page contains the following information: View Tree View Displays the different system features, and configuration options. Zoom View Menu Information View Device Information View Stacking Status View Located at the top of the home page, the port LED indicators provide a visual representation of the ports on the D-Link front panel. Located below the Zoom View, displays Save, Tool menu, Stack ID, and Logout buttons. Also displays Up Time information and User Loggin Identification. Located in the main part of the home page, the device view provides a view of the device, an information or table area, and configuration instructions. Located at the bottom left corner of the home page, the stacking status view provides a graphic representation of the stacking links and ports status. Table 1-1.
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Web Interface Views 1 The folder icons can be opened to display the hyperlinked menu buttons and subfolders contained within them. 2. Device Information View 3. Menu Information View Presents Switch information based on the selection and the entry of configuration data Presents the Save button, a menu for accessing device tools, and a menu for Stack ID selection. The current Up Time and current User Loggin information is reported. The Logout button is also here. 4. Zoom View Presents a graphical near real-time image of the front panel of the Switch. This area displays the Switch's ports and expansion modules, showing port activity, duplex mode, or flow control, depending on the specified mode. Various areas of the graphic can be selected for performing management functions, including port configuration 5 Device Application Buttons 6 Stacking Status View Provides access to the device logout, and provides information about the Safe Guard mode currently enabled on the device. Provides a graphic representation of the stacking links and ports status. Table 1-2. Main Areas 2 For more information regarding the stacking setup, see Managing Stacking section. Locating Devices The Device Locator Page enables locating system devices by activating LED locators.The Config Backup and Restore Page opens. Figure 1-3 Config Backup and Restore Page The Config Backup and Restore Page contains the following fields: Http TFTP 2. Select HTTP or TFTP field. 3. Define the selected server method fields. To backup files, click. To restore files, click. Indicates that the system files are backed up or restored via an HTTP server. The possible field values are: Backup current setting to file Backs up the current configuration files via the HTTP server. Restore saved setting from file Restores the current configuration files via the HTTP server. Indicates that the system files are backed up or restored via an TFTP server.
The possible field values are: Server IP Specifies the TFTP Server IP Address to which files are backed up or from which they are restored. File Indicates the file that is backed up or restored. Backup current setting to server Backs up the current configuration files via the TFTP server.NOTE: Firmware version 1.x.x supports 4 SKUs od DGS-3100 series: DGS, DGS P, DGS and DGS P, Firmware version 2.x.x supports in addition the 5 th SKU: DGS TG. Firmware version 2.x.x includes as well additional features comparing to version 1.x.x, for more details, please refer to the Release Notes. However - if the user upgrades the switch firmware from version 1.x.x to version 2.x.x, the value will be retained as hexadecimal value. ACLs access rules priority did not work in firmware version 1.x.x. In firmware version 2.x.x, the priority is supported and it is not allowed two identical access rules priority from different access profiles. If the user download configuration file from version 1.x.x which including ACLs which has more than one rule, it might not work and there will be an error message. The user can delete and create the ACLs again if he encountered a problem. In firmware version 2.x.x, it is possible to configure up to 3 servers from each type. In addition to that it was not required to configure priority to Tacacs servers in 1.x.x while in 2.x.x it is required. If the user configured 4 servers in version 1.x.x and try to download the configuration to firmware 2.x.x, he will get an error message, the same event will happened because of the Tacacs priority. The Firmware Download Page enables downloading files either via an HTTP or a TFTP server. The Firmware Download Page opens: Figure 1-5 Firmware Download Page 6 Unit Indicates if the Firmware file is downloaded to a specific stacking member or to All stacking members. File Indicates the Firmware file that is downloaded to the stack or specific device. Indicates that the Firmware file is downloaded via a TFTP server.
Unit Indicates if the Firmware file is downloaded to a specific stacking member or to All stacking members. Server IP Address Specifies the TFTP Server IP Address from which files are downloaded. File Indicates the Firmware file that is downloaded to the stack or specific device. 2. Select HTTP or TFTP Download field. 3. Define the Unit field. 4. For Http download, define the File field, or alternatively, browse to select the file. 5. Click. The Firmware is downloaded, and the device is updated. 7 The System Reboot Page opens: Figure 1-6 System Reboot Page The System Reboot Page contains the Select Unit to Reboot field.Modifies configuration Information Resets the factory defaults Finds a table entry. Reboot the system Refreshes device information. Restores the specific configuration file. Displays table entries. Table 1-3. User Interface Buttons 9 22 CONFIGURING BASIC CONFIGURATION This section contains information for viewing device information, defining IP addresses, managing stacking, defining port parameters, configuring system user accounts, configuring and managing system logs, defining the system time, and configuring SNMP system management. This section contains the following topics: Viewing Device Information Defining System Information Defining IP Addresses Managing Stacking Defining Ports ARP Settings Configuring User Accounts Managing System Logs Configuring SNTP Configuring SNMP DHCP Auto Configuration Dual Image Services 2 10 23 Viewing Device Information The Device Information Page contains parameters for configuring general device information, including the system name, location, and contact, the system MAC Address, System Up Time, and MAC addresses, and both software, boot, and hardware versions. In addition the Device Information Page provides shortcuts to device feature pages. To define the general system information: Click DGS-3100-xx in the Tree View.
The Device Information Page opens: Figure 2-1 Device Information Page The Device Information Page contains the following fields: Device Type Displays the factory defined device name and type. System Contact System Name Displays the name of the contact person. The field range is 0-31 characters. Displays the user-defined system name. System Location Displays the location where the system is currently running. Firmware Version Hardware Version System Time System Up Time Displays the installed software version number. Displays the installed device hardware version number. Displays the system time. Displays the amount of time since the most recent device reboot. The system time is displayed in the following format: Days, Hours, Minutes, and Seconds. For example, 41 days, 2 hours, 22 minutes and 15 seconds. 11 24 Boot Version MAC Address IP Address Subnet Mask Default Gateway Login Timeout (minutes) Time Source Displays the installed device boot version number. Displays the MAC address assigned to the device. Displays the IP address assigned to the device. Displays the subnet mask assigned to the device. Displays the device default gateway assigned to the device. Indicates the amount of time after which if no user activity occurs, the device times out. The default is 10 minutes. Provides a shortcut to viewing the system clock settings D Spanning Tree Indicates if STP is enabled on the device, and provides a shortcut to viewing the STP settings. DHCP Client Safeguard Engine SNMP Trap SSL GVRP Setting Jumbo Frames BPDU Forwarding IGMP Snooping Broadcast Storm Control Indicates if DCHP Client is enabled on the device, and provides a shortcut to viewing the DHCP Client settings. Indicates if the Safeguard Engine is enabled on the device, and provides a shortcut to viewing the Safeguard Engine settings. Indicates if SNMP Traps are enabled on the device, and provides a shortcut to viewing the SNMP Traps settings.
Indicates if Secure Socket Layer (SSL) is enabled on the device, and provides a shortcut to viewing the SSL settings. Indicates if Group VLAN Registration Protocol is enabled. Indicates if Jumbo Frames are enabled on the device, and provides a shortcut to viewing the Jumbo Frames settings. Indicates if BPDU Forwarding is enabled on the device, and provides a shortcut to viewing the BPDU Forwarding settings. Indicates if IGMP Snooping is enabled on the device, and provides a shortcut to viewing the IGMP Snooping settings. Indicates if Broadcast Storm Control is enabled on the device, and provides a shortcut to viewing the Broadcast Storm Control settings X Status Indicates if 802.1X is enabled on the device, and provides a shortcut to viewing the 802.1X settings. SSH Port Mirroring Indicates if Secure Shell Protocol (SSH) is enabled on the device, and provides a shortcut to viewing the SSH settings. Indicates if Port Mirroring is enabled. To view settings for a device feature: 1. Select a device feature under the Device Status and Quick Configuration Section. 2. Click setting next to the feature name. The configuration page for the selected device feature opens. 12 25 Defining System Information The System Information Page provides device information about specific stacking members. The System Information Page opens: The System Information Page contains the following fields: Figure 2-2 System Information Page Unit ID MAC Address Firmware Version Hardware Version System Contact System Name Displays the stack unit ID. Displays the MAC address assigned to the device Displays the stacking member s software version number. Displays the stacking member s hardware version number. Defines the name of the contact person. The field range is characters. Defines the user-defined system name. System Location Defines the location where the system is currently running. Login Timeout (minutes) Defines the amount of time the device times out when no user activity occurs.
The default is 10 minutes. 2. Define the System Name field. 3. Define the System Location and Login Timeout (minutes) fields. 4. Click. The system information is defined, and the device is updated. 13 26 Defining IP Addresses The IP Address Page contains fields for assigning IP addresses. Packets are forwarded to the default IP when frames are sent to a remote network via the Default Gateway. The configured IP address must belong to the same IP address subnet of one of the IP interfaces. The Dynamic Host Configuration Protocol (DHCP) assigns dynamic IP addresses to devices on a network. The IP Address Page opens: The IP Address Page contains the following fields: Figure 2-3 IP Address Page Static DHCP IP Address Subnet Mask Gateway Management VLAN VID When selected, the IP address is static and user-defined in the IP Address field. This is the default value. When selected, the IP address is retrieved from a DHCP server. Defines the IP address. This field is active if the IP address is static. Defines the address mask that manages sub-netting on the network. The default value is Defines the default gateway. The default gateway manages connections to other subnets and other networks. Defines the management VLAN s VID. 2. Select the IP address type in either the Static or DHCP fields. 3. If Static is the defined IP address type, define the IP Address field. 4. Define the Subnet Mask, Gateway, and Management VLAN VID fields. 5. Click. The IP address information is defined, and the device is updated. 14 27 Managing Stacking Stacking enhances network flexibility by building virtual switches with more ports then are available in a single device. Stacks are managed by stacking member which called Stack Master., All other stacking members serve as ports only.