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D-Link DGS-3224SR User Manual

High-density stackable gigabit ethernet switch
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Download this manual See also: Command Line Interface Reference Manual
D-Link ™ DGS-3224SR
High-Density Stackable Gigabit Ethernet Switch
User's Guide

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Summary of Contents for D-Link DGS-3224SR

  • Page 1 D-Link ™ DGS-3224SR High-Density Stackable Gigabit Ethernet Switch User’s Guide...
  • Page 2 Reproduction in any manner whatsoever without the written permission of D-Link Corporation is strictly forbidden. Trademarks used in this text: D-Link, 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.

  • Page 3: Table Of Contents

    D-Link ™ DGS-3224SR... i Intended Readers... vi Typographical Conventions ... vi Notes, Notices, and Cautions ... vii Safety Instructions... vii Safety Cautions ... vii General Precautions for Rack-Mountable Products ... ix Protecting Against Electrostatic Discharge ...x Introduction...1 Switch Description ...1 Features ...1...
  • Page 4 Switch Information...24 Advanced Settings...25 Switch Stack Management ...27 Stacking Information...27 VLAN Configuration ...31 GVRP Setting...32 Understanding VLANs...37 Port Settings Configuration...41 Basic Port Configuration...41 Link Aggregation Configuration...44 Forwarding and Filtering...46 IGMP Settings...49 Static Router Ports...50 New IGMP Snooping Feature ...52 Spanning Tree Protocol Configuration...53 802.1w Rapid Spanning Tree ...53...
  • Page 5 SNMP Engine ID ...92 System Monitoring and Statistics...93 Port Utilization ...93 Packets ...94 Errors...97 Size...101 Maintenance ...107 Technical Specifications ...112 Glossary ...114 ARRANTY FOR ALL OUNTRIES AND USA O ARRANTY NFORMATION FOR USA ...121 EGIONS XCEPT ...124...

  • Page 6: Intended Readers

    D-Link DGS-3224SR Stackable Gigabit Ethernet Switch Intended Readers The DGS-3224SR User Guide contains information for setup and management and of the DGS-3224SR switch. This guide is intended for network managers familiar with network management concepts and terminology. Typographical Conventions Convention...

  • Page 7: Notes, Notices, And Cautions

    D-Link DGS-3224SR Stackable Gigabit Ethernet Switch 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.
  • Page 8 • To help avoid damaging your system, be sure the voltage selection switch (if provided) on the power supply is set to match the power available at your location: – 115 volts (V)/60 hertz (Hz) in most of North and South America and some Far Eastern countries such as South Korea and Taiwan –...

  • Page 9: General Precautions For Rack-Mountable Products

    D-Link DGS-3224SR Stackable Gigabit Ethernet Switch – 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.

  • Page 10: Protecting Against Electrostatic Discharge

    D-Link DGS-3224SR Stackable Gigabit Ethernet Switch NOTE: 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.

  • Page 11: Introduction

    The DGS-3224SR is a modular Gigabit Ethernet backbone switch designed for adaptability and scalability. The switch provides a management platform and uplink to backbone for a stacked group of twelve DGS-3224SR Layer 2 switches in a ring or chain topology arrangement. Alternatively, the switch can utilize up to twelve Gigabit Ethernet ports to function as a central distribution hub for other switches or switch groups, or routers.

  • Page 12: Front-Panel Components

    Figure 1 - 1. Front Panel View of the switch Comprehensive LED indicators display the status of the switch and the network. An RS-232 DCE console port for setting up and managing the switch via a connection to a console terminal or PC using a terminal emulation program.

  • Page 13: Rear Panel Description

    The switch automatically adjusts its power setting to any supply voltage in the range from 100 ~ 240 VAC at 50 ~ 60 RPS Connector Connect the optional external redundant power supply to the RPS connector.

  • Page 14: Management Options

    Command Line Console Interface Through the Serial Port or Telnet You can also connect a computer or terminal to the serial console port or use Telnet to access the switch. The command-line-driven interface provides complete access to all switch management features. For a full list of commands, see the Command Line Reference, which is included on the documentation CD.

  • Page 15: Installation

    SNMP Settings IP Address Assignment Connecting Devices to the Switch Package Contents Before you begin installing the switch, confirm that your package contains the following items: • One DGS-3224SR Layer 2 Gigabit Switch • Mounting kit: 2 mounting brackets and screws •...

  • Page 16: Installing The Switch Without The Rack

    IP settings. Before you connect to the network, you must install the switch on a flat surface or in a rack, set up a terminal emulation program, plug in the power cord, and then set up a password and IP address.

  • Page 17: Installing The Switch In A Rack

    D-Link DGS-3224SR Layer 2 Gigabit Ethernet Switch Installing the Switch in a Rack You can install the switch in most standard 19-inch (48.3-cm) racks. Refer to the illustrations below. 1. Use the supplied screws to attach a mounting bracket to each side of the switch.

  • Page 18: Connecting Stacked Switch Groups

    D-Link DGS-3224SR Layer 2 Gigabit Ethernet Switch Connecting Stacked Switch Groups Up to 12 Switches can be stacked together for Ring mode or Chain mode to a Master Unit or in tandem with a second master unit via the second 10Gig stacking port. Users can add unit to reach maximum 288 GbE ports per Ring stack or 168 GbE ports per Star stack.

  • Page 19: Configuring A Switch Group For Stacking

    That is, stacking port 1 may connect to 1 or 2, and stacking port 2 may connect to 2 or 1 Configuring a Switch Group for Stacking Follow the instructions below to configure the DGS-3224SR as the designated Master, and then to configure the slave units.

  • Page 20: Gigabit Combo Ports

    Success. DES-3224SR:4#... DES-3224SR:4# To configure the same DGS-3224SR to function in a stacked group as the Slave, do the following: 1. At the CLI login prompt, enter config box_priority current_box_id 1 priority 2 and press the Enter key. 2. Successful configuration will be verified by a Success message. It takes a few seconds for the change to take effect.

  • Page 21: External Redundant Power System

    D-Link DGS-3224SR Layer 2 Gigabit Ethernet Switch External Redundant Power System The switch supports an external redundant power system. NOTE: CAUTION: the DPS-500. Figure 2-6. DPS-500 with DES-3224SR Figure 2-7. DPS-800 with DES-3224SR See the DPS-500 documentation for more information.

  • Page 22: Connecting The Console Port

    D-Link DGS-3224SR Layer 2 Gigabit Ethernet Switch Connecting the Console Port The switch provides an RS-232 serial port that enables a connection to a computer or terminal for monitoring and configuring the switch. This port is a DB-9 connector, implemented as a DCE connection.

  • Page 23: Password Protection

    Password Protection The DGS-3224SR does not have a default user name and password. One of the first tasks when settings up the switch is to create user accounts. If you log in using a predefined administrator-level user name you have privileged access to the switch’s management software.

  • Page 24: Snmp Settings

    The DGS-3224SR supports the SNMP versions 1, 2c, and 3. You can specify which version of the SNMP you want to use to monitor and control the switch. The three versions of SNMP vary in the level of security provided between the management station and the network device.

  • Page 25: Ip Address Assignment

    (Basic Settings) window on the Configuration menu. The IP address for the switch must be set before it can be managed with the Web-based manager. The switch IP address can be automatically set using BOOTP or DHCP protocols, in which case the actual address assigned to the switch must be known.

  • Page 26: Connecting Devices To The Switch

    D-Link DGS-3224SR Layer 2 Gigabit Ethernet Switch Connecting Devices to the Switch After you assign IP addresses to the switch, you can connect devices to the switch. To connect a device to an SFP transceiver port: 1. Use your cabling requirements to select an appropriate SFP transceiver type.

  • Page 27: Introduction To Switch Management

    Restart System Introduction All software functions of the DGS-3224SR can be managed, configured and monitored via the embedded web- based (HTML) interface. The switch can be managed from remote stations anywhere on the network through a standard browser such as Netscape Navigator/Communicator or Microsoft Internet Explorer. The browser acts as a universal access tool and can communicate directly with the Switch using the HTTP protocol.

  • Page 28: Web-Based User Interface

    The switch management features available in the web-based manager are explained below. Web-based User Interface The user interface provides access to various switch configuration and management screens, allows you to view performance statistics, and permits you to graphically monitor the system status.

  • Page 29: Basic Setup

    (CLI) command save. Web Pages When you connect to the management mode of the switch with a web browser, a login screen is displayed. Enter a user name and password to access the switch’s management mode.

  • Page 30: Switch Information

    In addition, the Boot PROM and Firmware Version numbers are shown. This information is helpful to keep track of PROM and Firmware updates and to obtain the switch’s MAC address for entry into another network device’s address table – if necessary.

  • Page 31: Switch Ip Settings

    Enter the appropriate IP address and subnet mask. If you want to access the switch from a different subnet from the one it is installed on, enter the IP address of the gateway. If you will manage the switch from the subnet on which it is installed, you can leave the default address (0.0.0.0) in this field.
  • Page 32 D-Link DGS-3224SR Layer 2 Gigabit Ethernet Switch To use the BOOTP or DHCP protocols to assign the switch an IP address, subnet mask, and default gateway address: Use the Get IP From: <Manual> pull-down menu to choose from BOOTP or DHCP. This selects how the switch will be assigned an IP address on the next reboot.

  • Page 33: Security Ip Management Stations Configuration

    Go to the Security Management folder and click on Security IP; the following screen will appear. Use the Management Station IP Settings to select up to three management stations used to manage the Switch. If you choose to define one or more designated management stations, only the chosen stations, as defined by IP address, will be allowed management privilege through the web manager or Telnet session.

  • Page 34: User Accounts Management

    D-Link DGS-3224SR Layer 2 Gigabit Ethernet Switch User Accounts Management Use the User Accounts Control Table to control user privileges. To view existing User Accounts, open the Security Management folder and click on the User Accounts link. This will open the User Account Management page, as shown below.

  • Page 35: Admin And User Privileges

    After establishing a User Account with Admin-level privileges, be sure to save the changes (see below). Saving Changes Changes made to the switch’s configuration must be saved in order to retain them. Access the Save Configuration by clicking the Save Changes button located in the Maintenance folder.

  • Page 36: Factory Reset

    Restart System The following menu is used to restart the switch. Access this menu by clicking on the Reboot Device link in the Maintenance folder. Click the Yes after Do you want to save the settings? to instruct the switch to save the current configuration to non-volatile RAM before restarting the switch.

  • Page 37: Switch Information

    D-Link DGS-3224SR Layer 2 Gigabit Ethernet Switch Click the Restart button to restart the switch. NOTE: clicking Yes is equivalent to executing Save Changes and then restarting the switch. Switch Information The first page displayed upon logging in presents the System Information menu. This page can be accessed at any time by clicking the Switch Information button in the Configuration folder.

  • Page 38: Advanced Settings

    D-Link DGS-3224SR Layer 2 Gigabit Ethernet Switch Figure 3-12. Switch Information The System Information page displays general information about the Switch including its MAC Address, Hardware Boot PROM and Firmware versions, and other optional information. You can also enter or change a System Name, System Location, and the name and telephone number of the responsible administrator in the System Contact.
  • Page 39 GVRP Use this pull-down menu to Enable or Disable GVRP on the switch. The algorithm that the switch uses to balance the load across the ports that Link Aggregation make up the port trunk group is defined by this definition. Choose Source Algorithm Address, Destination Address or Both.

  • Page 40: Switch Stack Management

    Switch Stack Management The DGS-3224SR switch can be used as a standalone high-capacity switch or be used in a stacked arrangement. One stacking module can be installed to stack up to 4 additional slave switch units or two modules can be installed to stack up to 8 additional slave switch units.
  • Page 41 Priority – Displays the priority ID of the Switch. The lower the number, the higher the priority. The box (switch) with the lowest priority number in the stack is the Master switch. PROM Version – Shows the PROM in use for the Switch. This may be different from the values shown in the illustration.
  • Page 42 D-Link DGS-3224SR Layer 2 Gigabit Ethernet Switch Use the following command to modify all box_id to become AUTO or static (apply current box id to User Set), use the following syntax: Config all_box_id [auto_mode|static_mode] The config box_priority command allows you to configure the switch stack manually.
  • Page 43 D-Link DGS-3224SR Layer 2 Gigabit Ethernet Switch...

  • Page 44: Vlan Configuration

    VLAN Configuration The first half of this section describes how to use the web manager to configure VLANs in the switch. This is followed by a review of some of the basic concepts of VLANs in an Ethernet switching environment. For a detailed list of CLI commands associated with VLAN management, please read the CLI reference guide.

  • Page 45: Gvrp Setting

    In the Configuration menu, open the VLANs folder and click GVRP Setting. The Port VLAN ID (PVID) dialog box, shown below, allows you to determine whether the switch will share its VLAN configuration information with other GARP VLAN Registration Protocol (GVRP) enabled switches. In addition, Ingress Checking can be used to limit traffic by filtering incoming packets whose PVID does not match the PVID of the port.
  • Page 46 The following fields can be set: Parameter Description Displays the Unit ID of the switch − within the switch stack − that the VLAN Unit will be created on. These two fields allow you to specify the range of ports that will be From/To included in the Port-based VLAN that you are creating using the 802.1Q...
  • Page 47 Configure 802.1Q Static VLANs The following figures and tables describe how to set up static VLANs on the switch. Click on the Static VLAN Entry link in the VLANs folder to open the 802.1Q Static VLANs page, as shown below.
  • Page 48 Ports are ports that will be transmitting traffic for the VLAN. Edit 802.1Q VLANs The following figure and table describe how to edit an existing 802.1Q VLAN entry on the switch. Figure 5-7. 802.1Q Static VLANs Entry Settings – Edit Screen The Static VLANs Edit screen presents the current configuration of the VLAN.

  • Page 49: Gvrp Settings

    For the selected port or group of ports, choose to enable or disable Ingress checking and establish an acceptable packet rule. The following figure and table describe how to configure the 802.1Q VLAN port settings for the switch. Click Apply to let your changes take effect.

  • Page 50: Understanding Vlans

    Ingress port - A port on a switch where packets are flowing into the switch and VLAN decisions must be made. Egress port - A port on a switch where packets are flowing out of the switch, either to another switch or to an end station, and tagging decisions must be made.

  • Page 51: Q Vlan Tags

    D-Link DGS-3224SR Layer 2 Gigabit Ethernet Switch • Forwarding rules between ports – decides filter or forward the packet • Egress rules – determines if the packet must be sent tagged or untagged. Figure 5-9. IEEE 802.1Q Packet Forwarding 802.1Q VLAN Tags The figure below shows the 802.1Q VLAN tag.

  • Page 52: Port Vlan Id

    VID for tagged packets, tag-aware and tag-unaware network devices can coexist on the same network. A switch port can have only one PVID, but can have as many VIDs as the switch has memory in its VLAN table to store them.

  • Page 53: Ingress Filtering

    Ingress Filtering A port on a switch where packets are flowing into the switch and VLAN decisions must be made is referred to as an ingress port. If ingress filtering is enabled for a port, the switch will examine the VLAN information in the packet header (if present) and decide whether or not to forward the packet.

  • Page 54: Port Settings Configuration

    D-Link DGS-3224SR Layer 2 Gigabit Ethernet Switch Port Settings Configuration This section contains information for configuring various attributes and properties for individual physical ports, including port security, traffic segmentation, port bandwidth control, serial port settings and port mirroring. Basic Port Configuration To configure basic port settings such as port speed, duplex and learning state use the Port Configuration menu.

  • Page 55: Port Mirroring

    Port Mirroring The Switch allows you to copy frames transmitted and received on a port and redirect the copies to another port. You can attach a monitoring device to the mirrored port, such as a sniffer or an RMON probe, to view details about the packets passing through the first port.
  • Page 56 D-Link DGS-3224SR Layer 2 Gigabit Ethernet Switch NOTE: You cannot mirror a fast port onto a slower port. For example, if you try to mirror the traffic from a 100 Mbps port onto a 10 Mbps port, this can cause throughput problems.

  • Page 57: Link Aggregation Configuration

    – to the backbone of a network. The switch allows the creation of up to 32 link aggregation groups, each group consisting of up of up to 8 links (ports). A link aggregation group may not cross a 12-port boundary, starting with port 1 (a group may not contain ports 12 and 13, for example) and all of the ports in the group must be members of the same VLAN.
  • Page 58 Port Trunking Group. Master Port Choose the Master port for the trunk group. Choose the switch unit on which to set up a trunk group. Trunk groups Member Unit must be confined to ports on a single switch.

  • Page 59: Forwarding And Filtering

    Choose the port on which the MAC address resides. Selecting Port 0 means no ports are allowed. Click on the Add/Modify button to add a unicast MAC address to the switch’s forwarding table, or to modify a previous entry. Static Multicast Forwarding The following figure and table describe how to set up Multicast forwarding on the switch.
  • Page 60 Figure 8-2. Setup Static Multicast Forwarding Table The Static Multicast Forwarding Settings page displays all of the entries made into the switch’s static multicast forwarding table. Click the Add button to open the Setup Static Multicast Forwarding Table, as shown below.
  • Page 61 D-Link DGS-3224SR Layer 2 Gigabit Ethernet Switch...

  • Page 62: Igmp Settings

    Section 9 IGMP Settings In order to use IGMP Snooping it must first be enabled for the entire Switch (see Advanced Settings). You may then fine-tune the settings for each VLAN using the IGMP Snooping link in the Configuration folder. When enabled for IGMP snooping, the Switch can open or close a port to a specific Multicast group member based on IGMP messages sent from the device to the IGMP host or vice versa.

  • Page 63: Static Router Ports

    All UDP multicast packets will be forwarded to the router port. Because routers do not send IGMP reports or implement IGMP snooping, a multicast router connected to the router port of the Layer 3 switch would not be able to receive UDP data streams unless the UDP multicast packets were all forwarded to the router port.
  • Page 64 Figure 9-6. Current Static Router Ports Screen The Current Static Router Ports Entries page (shown above) displays all of the current entries to the Switch’s static router port table. To add or modify an entry, click the Modify button. This will open the Static Router Ports Settings page, as shown below.

  • Page 65: New Igmp Snooping Feature

    D-Link DGS-3224SR Layer 2 Gigabit Ethernet Switch New IGMP Snooping Feature In the DGS-3224SR, the user may configure a forbidden portlist, whose members are not forced to become router ports. To activate this feature, please use the console (CLI). The CLI command will be:...

  • Page 66: Spanning Tree Protocol Configuration

    802.1d STP will be familiar to most networking professionals. However since 802.1w RSTP has been recently introduced to D-Link managed Ethernet switches, a brief introduction to the technology is provided below followed by a description of how to set up 802.1 d STP and 802.1w RSTP.

  • Page 67: Stp Switch Settings

    RSTP. STP Switch Settings The Spanning Tree Protocol (STP) operates on two levels: on the switch level, the settings are globally implemented. On the port level, the settings are implemented on a per user-defined Group of ports basis.
  • Page 68 30 sec) <15 > state to the forwarding state. A Priority for the switch can be set from 0 to 61440. This number is used Priority: (0 - 61440) in the voting process between switches on the network to determine which <32768>...

  • Page 69: Stp Port Settings

    Port Priority and Port Cost. An STP Group spanning tree works in the same way as the switch-level spanning tree, but the root bridge concept is replaced with a root port concept. A root port is a port of the group that is elected on the basis of port priority and port cost, to be the connection to the network for the group.
  • Page 70 The following fields can be set: Parameter Description Unit This is the Unit ID of a switch in a switch stack. 15 indicates a DGS- 3224SR switch in standalone mode. From/To A consecutive group of ports may be configured starting with the selected port.

  • Page 71: Qos (Quality Of Service)

    D-Link DGS-3224SR Layer 2 Gigabit Ethernet Switch Section 11 QoS (Quality of Service) QoS settings allow customization of packet priority in order to facilitate delivery of data traffic that might be affected by latency problems. The IEEE 802.1p Priority specification uses 8 priority levels to classify data packets.

  • Page 72: Configuring Default Priority

    Figure 10-4. Priority Based on a Port-group basis This page allows you to assign a default 802.1p priority to any given port on the switch. The priority queues are numbered from 0 − the lowest priority − to 7 − the highest priority.

  • Page 73: Configuring 802.1P User Priority

    The DGS-3224SR allows the assignment of a User Priority to each of the 802.1p priorities. Figure 10-5. User Priority Configuration Once you have assigned a priority to the port groups on the switch, you can then assign this Class to each of the 8 levels of 802.1p priorities.

  • Page 74: 802.1P User Priority

    D-Link DGS-3224SR Layer 2 Gigabit Ethernet Switch Scheduling Mechanism − This drop-down menu allows you to select between a Weight Fair and a Strict mechanism for emptying the priority queues. Click Apply to let your changes take effect. 802.1p User Priority The User Priority menu is used to map incoming packets with 802.1p priority tags to one of the 8 hardware...

  • Page 75: Traffic Segmentation

    Traffic Segmentation Traffic segmentation is used to limit traffic flow from a single port to a group of ports on either a single switch (in standalone mode) or a group of ports on another switch in a switch stack. This method of segmenting the flow of traffic is similar to using VLANs to limit traffic, but is more restrictive.

  • Page 76: Bandwidth Control

    Then you specify a second switch from the switch stack, and then you select which ports (or different ports on the same switch,) on that switch that you want to be able to receive packets from the switch and port you specified in the first part.
  • Page 77 The following parameters can be set or are displayed: Parameter Description Unit Allows you to specify a switch in a switch stack using that switch’s Unit ID. A consecutive group of ports may be configured starting with the selected From/To port.

  • Page 78: System Log Server

    D-Link DGS-3224SR Layer 2 Gigabit Ethernet Switch System Log Server The switch can send Syslog messages to up to four designated servers. Use the System Log Server The parameters configured for adding and editing System Log Server settings are the same. See the table below for a description.
  • Page 79 D-Link DGS-3224SR Layer 2 Gigabit Ethernet Switch designated are shown in the following: Bold font means the facility values that the switch currently now. Numerical Code Type the UDP port number used for sending Syslog messages. The UDP Port default is 514.

  • Page 80: Port Security Settings

    The port can be locked by using the Learn <Disabled> pull-down menu to Enabled, and clicking Apply. This is a security feature that prevents unauthorized computers (with source MAC addresses unknown to the switch prior to locking the port (or ports) from connecting to the switch’s locked ports and gaining access to the network.
  • Page 81 D-Link DGS-3224SR Layer 2 Gigabit Ethernet Switch This pull-down menu allows you to select how the MAC address table Mode locking will be implemented on the switch, for the selected group of ports. The options are DeleteOnReset and DeleteOnTimeout.

  • Page 82: Sntp Setting

    D-Link DGS-3224SR Layer 2 Gigabit Ethernet Switch SNTP Setting The Simple Network Time Protocol (SNTP) (an adaptation of the Network Time Protocol (NPT) is configured on the switch using the following pages. Time Settings The following parameters can set or are displayed:...

  • Page 83: Time Zone And Dst

    D-Link DGS-3224SR Layer 2 Gigabit Ethernet Switch Seconds Year Enter the current year, if you want to update the system clock. Enter the current month, if you want to update the system clock. Month Enter the current day, if you want to update the system clock.
  • Page 84 D-Link DGS-3224SR Layer 2 Gigabit Ethernet Switch constitute your local DST offset − 30, 60, 90, or 120 minutes. Time Offset in Minutes Time Zone Offset Use these pull-down menus to specify your local time zone’s offset from GMT in +/- from Greenwich Mean Time (GMT.)

  • Page 85: Access Profile Table

    MAC source address or the IP destination address. The second part is entering the criteria the switch will use to determine what to do with the frame. The entire process is described below in two parts.
  • Page 86 (or MAC address-based) profile configuration, and one for IP address-based profile configuration. You can switch between the two Access Profile Configuration pages by using the Type drop-down menu, and clicking on the Apply button. The page shown below is the IP Access Profile Configuration page.
  • Page 87 Type Select Ethernet to instruct the switch to examine the layer 2 part of each packet header. Select IP to instruct the switch to examine the IP address in each frame’s header.
  • Page 88 D-Link DGS-3224SR Layer 2 Gigabit Ethernet Switch Selecting this option instructs the switch to examine the protocol type value in each frame’s header. You must then specify what protocol(s) to include according to the following guidelines: Select ICMP to instruct the switch to examine the Internet Control Message Protocol (ICMP) field in each frame’s header.

  • Page 89: Security Ip Management

    Web-based management agent. You can enter up to three IP addresses of local hosts (on the same subnet as the switch) that will be allowed to manage the switch. It is recommended that the IP address of the local host that will be used to manage the switch be entered here to avoid possible frequent disconnection from the switch’s Web-based management agent.

  • Page 90: Port Access Entity

    Through this mechanism, users have to be authorized before being able to access the network. See the following figure: Figure 17-2. Typical 802.1X Configuration Prior to User Authentication Once the user is authenticated, the switch unblocks the port that is connected to the user as shown in the next figure.
  • Page 91 D-Link DGS-3224SR Layer 2 Gigabit Ethernet Switch Figure 17-3. Typical 802.1X Configuration with User Authentication The user’s information, including account number, password, and configuration details such as IP address and billing information, is stored in a centralized RADIUS server. Figure 9 - 1. Typical Configuration with 802.1X Fully Implemented...

  • Page 92: Configure Authenticator

    The Key Receive state machine Configure Authenticator To display the current 802.1X Authenticator Settings on the switch, open the Configuration folder, and then the Port Access Entity folder and finally click on the Configure Authenticator link. This will open the 802.1X Authenticator Settings page, as shown below.
  • Page 93 EAP Request/Identity packet is transmitted to the client. • QuietPeriod [60 ] – This allows you to set the number of seconds that the switch remains in the quiet state following a failed authentication exchange with the client.
  • Page 94 The following parameters can be set: Parameter Description Allows you to specify a switch in a switch stack using that switch’s Unit ID. Unit 15 indicates a switch in standalone mode. A consecutive group of ports may be configured starting with the selected From/To port.

  • Page 95: Port Authenticating Settings

    Click Apply to let your change take effect. Radius Server Use this menu to configure the settings the switch will use to communicate with a Radius server. To add Radius server settings click the New button, a separate configuration menu appears. To edit an existing Radius settings...
  • Page 96 D-Link DGS-3224SR Layer 2 Gigabit Ethernet Switch Figure 17-7. 802.1X Authentic Radius Server Setting The following parameters can be set: Parameter Description Index Radius server settings index. Radius Server Type in the IP address of the Radius server. This is the UDP port on the Radius server that will be used to authenticate Authentic Port users.

  • Page 97: Snmp

    Use the SNMP V3 menus to select the SNMP version used for specific tasks. The DGS-3224SR supports the Simple Network Management Protocol (SNMP) versions 1, 2c, and 3. The SNMP version used to monitor and control the switch can be specified by the administrator. The three versions of SNMP vary in the level of security provided between the management station and the network device.
  • Page 98 D-Link DGS-3224SR Layer 2 Gigabit Ethernet Switch The following parameters are displayed: Parameter Description An alphanumeric string of up to 32 characters. This is used to identify the User Name SNMP users. This name is used to specify the SNMP group created can request SNMP Group Name messages.

  • Page 99: Snmp View Table

    D-Link DGS-3224SR Layer 2 Gigabit Ethernet Switch This name is used to specify the SNMP group created can request SNMP Group Name messages. V1 – Specifies that SNMP version 1 will be used. SNMP Version V2c – Specifies that SNMP version 2c will be used.

  • Page 100: Snmp Group Table

    D-Link DGS-3224SR Layer 2 Gigabit Ethernet Switch Figure 18-5. SNMP View Table Configuration The SNMP Group created with this table maps SNMP users (identified in the SNMP User Table) to the views created in the previous menu. The following parameters can set:...
  • Page 101 Figure 18-7. SNMP Group Table Display To add a new entry to the switch’s SNMP Group Table, click the Add button in the upper left-hand corner of the SNMP Group Table page. This will open the SNMP Group Table Configuration page, as shown below.
  • Page 102 D-Link DGS-3224SR Layer 2 Gigabit Ethernet Switch Figure 18-8. SNMP Group Table Configuration The following parameters can set: Parameter Description Group Name Type an alphanumeric string of up to 32 characters. This is used to identify the new SNMP group of SNMP users.

  • Page 103: Snmp Community Table Configuration

    Use this table to create an SNMP community string to define the relationship between the SNMP manager and an agent. The community string acts like a password to permit access to the agent on the switch. One or more of...
  • Page 104 Host IP Address heading. To add a new entry to the switch’s SNMP Group Table, click the Add button in the upper left-hand corner of the SNMP Host Table page. This will open the SNMP Host Table Configuration page, as shown below.

  • Page 105: Snmp Engine Id

    The Engine ID is a unique identifier used for SNMP V3 implementations. This is an alphanumeric string used to identify the SNMP engine on the switch. To display the switch’s SNMP Engine ID, open the SNMP Manager folder and click on the SNMP Engine ID link. This will open the SNMP Engine ID Configuration window, as shown below.

  • Page 106: System Monitoring And Statistics

    D-Link DGS-3224SR Layer 2 Gigabit Ethernet Switch System Monitoring and Statistics The DGS-3224SR provides extensive network monitoring capabilities that can be viewed from the Monitoring folder. Port Utilization The Port Utilization page displays the percentage of the total available bandwidth being used on the port. Port utilization statistics may be viewed using a line graph or table format.

  • Page 107: Packets

    Packets Received Packets Select the desired switch using the Unit drop-down menu and the desired port using the Port drop-down menu. The Update Interval field sets the interval at which the error statistics are updated. The following fields can be set:...
  • Page 108 D-Link DGS-3224SR Layer 2 Gigabit Ethernet Switch Received Unicast/Multicast/Broadcast Packets Select the desired switch using the Unit drop-down menu and the desired port using the Port drop-down menu. The Update Interval field sets the interval at which the error statistics are updated.

  • Page 109: Transmitted Packets

    D-Link DGS-3224SR Layer 2 Gigabit Ethernet Switch Transmitted Packets Select the desired switch using the Unit drop-down menu and the desired port using the Port drop-down menu. The Update Interval field sets the interval at which the error statistics are updated.

  • Page 110: Errors

    Transmitted Errors Figure 19-4. Transmitted Error Packets Line Chart Select the desired switch using the Unit drop-down menu and the desired port using the Port drop-down menu. The Update Interval field sets the interval at which the error statistics are updated.
  • Page 111 D-Link DGS-3224SR Layer 2 Gigabit Ethernet Switch LateColl (Late Late Collisions. The number of times that a collision is detected later than Collision) 512 bit-times into the transmission of a packet. ExColl (Excessive Excessive Collisions. The number of frames for which transmission failed Collision) due to excessive collisions.

  • Page 112: Received Errors

    D-Link DGS-3224SR Layer 2 Gigabit Ethernet Switch Received Errors Select the desired switch using the Unit drop-down menu and the desired port using the Port drop-down menu. The Update Interval field sets the interval at which the error statistics are updated.
  • Page 113 D-Link DGS-3224SR Layer 2 Gigabit Ethernet Switch formed. The total number of frames received that were longer than 1518 octets OverSize (excluding framing bits, but including FCS octets) and were otherwise well formed. The total number of frames received that were less than 64 octets in length...

  • Page 114: Size

    Packet Size Figure 19-6. Packet Size Analysis Line Chart Select the desired switch using the Unit drop-down menu and the desired port using the Port drop-down menu. The Update Interval field sets the interval at which the error statistics are updated.
  • Page 115 D-Link DGS-3224SR Layer 2 Gigabit Ethernet Switch Click View Table to see the same information in tabular form.

  • Page 116: Mac Address

    D-Link DGS-3224SR Layer 2 Gigabit Ethernet Switch MAC Address Select the desired switch using the Unit drop-down menu and the desired port using the Port drop-down menu. The Update Interval field sets the interval at which the error statistics are updated.

  • Page 117: Switch History

    D-Link DGS-3224SR Layer 2 Gigabit Ethernet Switch Switch History Figure 19-8. Switch History...

  • Page 118: Igmp Snooping

    D-Link DGS-3224SR Layer 2 Gigabit Ethernet Switch IGMP Snooping This allows the switch’s IGMP Snooping table to be viewed. IGMP Snooping allows the switch to read the Multicast Group IP address and the corresponding MAC address from IGMP packets that pass through the switch.

  • Page 119: Browse Router Port

    D-Link DGS-3224SR Layer 2 Gigabit Ethernet Switch Browse Router Port This displays which of the switch’s ports are currently configured as router ports. A router port configured by a user (using the console or Web-based management interfaces) is displayed as a static router port, designated by S.

  • Page 120: Maintenance

    Trivial File Transfer Protocol (TFTP) services allow the switch firmware to be upgraded by transferring a new firmware file from a TFTP server to the switch. A configuration file can also be loaded into the switch from a TFTP server, switch settings can be saved to the TFTP server, and a history log can be uploaded from the switch to the TFTP server.

  • Page 121: Upload Configuration

    Ping is a small program that sends data packets to the IP address you specify. The destination node then returns the packets to the switch. This is very useful to verify connectivity between the switch and other nodes on the network.

  • Page 122: Save Changes

    IP address until the program is stopped. Save Changes The DGS-3224SR has two levels of memory; normal RAM and non-volatile or NV-RAM. Configuration changes are made effective clicking the Apply button. When this is done, the settings will be immediately applied to the switching software in RAM, and will immediately take effect.

  • Page 123: Reboot Device

    The Reset Config option will reset all of the switch’s configuration parameters to their factory defaults, without saving these default values to the switch’s non-volatile RAM. If the switch is reset with this option enabled, and Save Changes is not executed, the switch will return to the last saved configuration when rebooted.
  • Page 124 D-Link DGS-3224SR Layer 2 Gigabit Ethernet Switch Logout Use the Logout page to logout of the switch’s Web-based management agent by clicking on the Log Out button. Figure 20-9. Logout...

  • Page 125: Technical Specifications

    D-Link DGS-3224SR Layer 2 Gigabit Ethernet Switch Technical Specifications IEEE 802.3u 100BASE-TX Fast Ethernet IEEE 802.3ab 1000BASE-T Gigabit Ethernet Standard IEEE 802.1 P/Q VLAN IEEE 802.3x Full-duplex Flow Control IEEE 802.3 Nway auto-negotiation Protocols CSMA/CD Half-duplex Data Transfer Rates: 10 Mbps...
  • Page 126 D-Link DGS-3224SR Layer 2 Gigabit Ethernet Switch AC inputs & External 100 - 240 VAC, 50/60 Hz (internal universal power supply) Redundant Power Supply Power Consumption: 90 watts maximum DC fans: 2 built-in 40 x 40 x10 mm fans ; 1 built-in 60 x 60 x18 mm fan...

  • Page 127: Glossary

    A port which does not learn device addresses, and which receives all frames with an unknown address. Backbone ports are normally used to connect the Switch to the backbone of your network. Note that backbone ports were formerly known as designated downlink ports.
  • Page 128 D-Link DGS-3212SR Layer 2 Gigabit Ethernet Switch forwarding The process of sending a packet toward its destination by an internetworking device. full duplex A system that allows packets to be transmitted and received at the same time and, in effect, doubles the potential throughput of a link.
  • Page 129 D-Link DGS-3212SR Layer 2 Gigabit Ethernet Switch switch A device which filters, forwards and floods packets based on the packet’s destination address. The switch learns the addresses associated with each switch port and builds tables based on this information to be used for the switching decision.
  • Page 130 Ontario, L6H 5W1 Canada TEL: 1-905-829-5033 FAX: 1-905-829-5223 BBS: 1-965-279-8732 FTP: ftp.dlinknet.com TOLL FREE: 1-800-354-6522 URL: www.dlink.ca E-MAIL: techsup@dlink.ca Chile D-Link South America (Sudamérica) Isidora Goyenechea 2934 Oficina 702, Las Condes, Santiago, Chile TEL: 56-2-232-3185 FAX: 56-2-232-0923 URL: www.dlink.com.cl China...
  • Page 131 Germany D-Link Central Europe (D-Link Deutschland GmbH) Schwalbacher Strasse 74, D-65760 Eschborn, Germany TEL: 49-6196-77990 FAX: 49-6196-7799300 BBS: 49-(0) 6192-971199 (analog) & BBS: 49-(0) 6192-971198 (ISDN) INFO: 00800-7250-0000 (toll free) & HELP: 00800-7250-4000 (toll free) REPAIR: 00800-7250-8000 & HELP: support.dlink.de URL: www.dlink.de &...
  • Page 132 TEL: (Jebel Ali): 971-4-883-4234 FAX: (Jebel Ali): 971-4-883-4394 & (Dubai): 971-4-335-2464 E-MAIL: dlinkme@dlink-me.com & support@dlink-me.com U.K. D-Link Europe (United Kingdom) Ltd Floor, Merit House, Edgware Road, Colindale, London NW9 5AB United Kingdom TEL: 44-020-8731-5555 SALES: 44-020-8731-5550 FAX: 44-020-8731-5511 SALES: 44-020-8731-5551 BBS: 44 (0) 181-235-5511 URL: www.dlink.co.uk E-MAIL: info@dlink.co.uk...

  • Page 134: Warranty For All Countries And Regions Except Usa

    ARRANTY FOR ALL COUNTRIES AND EGIONS XCEPT Wichtige Sicherheitshinweise Bitte lesen Sie sich diese Hinweise sorgfältig durch. Heben Sie diese Anleitung für den spätern Gebrauch auf. Vor jedem Reinigen ist das Gerät vom Stromnetz zu trennen. Vervenden Sie keine Flüssig- oder Aerosolreiniger. Reinigung.

  • Page 135: Limitation Of Liability

    REPAIR, OR ANY OTHER CAUSE BEYOND THE RANGE OF THE INTENDED USE, OR BY ACCIDENT, FIRE, LIGHTNING OR OTHER HAZARD. LIMITATION OF LIABILITY IN NO EVENT WILL D-LINK BE LIABLE FOR ANY DAMAGES, INCLUDING LOSS OF DATA, LOSS OF PROFITS, COST OF COVER OR OTHER INCIDENTAL, CONSEQUENTIAL OR INDIRECT...
  • Page 136 Any package returned to D-Link without an RMA number will be rejected and shipped back to Purchaser at Purchaser's expense, and D-Link reserves the right in such a case to levy a reasonable handling charge in addition mailing or shipping costs.

  • Page 137: Warranty Information For Usa Only

    D-Link’s sole obligation shall be to repair or replace the defective Hardware during the Warranty Period at no charge to the original owner or to refund at D-Link’s sole discretion. Such repair or replacement will be rendered by D-Link at an Authorized D-Link Service...
  • Page 138 If a material defect is incapable of correction, or if D-Link determines in its sole discretion that it is not practical to repair or replace the defective Hardware, the price paid by the original purchaser for the defective Hardware will be refunded by D-Link upon return to D-Link of the defective Hardware.
  • Page 139 Expedited shipping is available if shipping charges are prepaid by the customer. D-Link may reject or return any product that is not packaged and shipped in strict compliance with the foregoing requirements, or for which an RMA number is not visible from the outside of the package.
  • Page 140 PRODUCT RETURNED TO D-LINK FOR WARRANTY SERVICE) RESULTING FROM THE USE OF THE PRODUCT, RELATING TO WARRANTY SERVICE, OR ARISING OUT OF ANY BREACH OF THIS LIMITED WARRANTY, EVEN IF D-LINK HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. THE SOLE REMEDY FOR A BREACH OF THE FOREGOING LIMITED WARRANTY IS REPAIR, REPLACEMENT OR REFUND OF THE DEFECTIVE OR NON-CONFORMING PRODUCT.

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