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D-Link DES-3226L Manual

Managed 24-port 10/100mbps and 2ge ports layer 2 ethernet switch
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D-Link™ DES-3226L
Managed 24-port 10/100Mbps and 2GE ports Layer 2
Ethernet Switch
Manual

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Summary of Contents for D-Link DES-3226L

  • Page 1 D-Link™ DES-3226L Managed 24-port 10/100Mbps and 2GE ports Layer 2 Ethernet Switch Manual...
  • Page 2 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.

  • Page 3: Table Of Contents

    CONTENTS Preface ............................vi ............................NTENDED EADERS Typographical Conventions ..................... vii Notes, Notices, and Cautions ....................viii Safety Instructions........................ix Safety Cautions..............................ix General Precautions for Rack-Mountable Products ..................xi Protecting Against Electrostatic Discharge....................xii Introduction ..........................1 ............................1 THERNET ECHNOLOGY Fast Ethernet Technology ..........................1 Gigabit Ethernet Technology ...........................1 ............................2 WITCHING...
  • Page 4 SNMPv3 .................................34 Management Station IP Addresses.........................42 ...............................43 WITCH TILITIES TFTP Services ..............................43 Ping Test ................................45 .............................46 ETWORK ONITORING Statistics .................................46 MAC Address Table ............................50 ................................51 TATUS GVRP Status..............................51 Router Ports ..............................52 IGMP Snooping Group Table ........................53 Switch History ..............................53 802.1X A ..........................55 IAGNOSTICS 802.1X A...
  • Page 5 Cable Lengths......................... 109 Glossary..........................110...

  • Page 6: Preface

    DES-3226L Layer 2 Fast Ethernet Switch User’s Guide Preface The DES-3226L Manual is divided into sections that describe the system installation and operating instructions with examples. Section 1, Introduction – Describes the Switch and its features. Section 2, Installation – Helps you get started with the basic installation of the Switch and also describes the front panel, rear panel, side panels, and LED indicators of the Switch.

  • Page 7: Intended Readers

    DES-3226L Layer 2 Fast Ethernet Switch User’s Guide Intended Readers The DES-3226L Manual contains information for setup and management of the switch. This manual is intended for network managers familiar with network management concepts and terminology. Typographical Conventions Convention Description In a command line, square brackets indicate an optional entry.

  • Page 8: Notes, Notices, And Cautions

    DES-3226L Layer 2 Fast Ethernet Switch User’s Guide 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 9: Safety Instructions

    DES-3226L Layer 2 Fast Ethernet Switch User’s Guide Safety Instructions 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.
  • Page 10 DES-3226L Layer 2 Fast Ethernet Switch User’s Guide – 115 volts (V)/60 hertz (Hz) in most of North and South America and some Far Eastern countries such as South Korea and Taiwan – 100 V/50 Hz in eastern Japan and 100 V/60 Hz in western Japan –...

  • Page 11: General Precautions For Rack-Mountable Products

    DES-3226L Layer 2 Fast Ethernet Switch User’s Guide 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.

  • Page 12: Protecting Against Electrostatic Discharge

    DES-3226L Layer 2 Fast Ethernet Switch User’s Guide 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 13: Introduction

    DES-3226L Layer 2 Fast Ethernet Switch User’s Guide SECTION 1 Introduction Ethernet Technology Switch Description Features Ports Front-Panel Components Side Panel Description Rear Panel Description Gigabit Combo Ports Ethernet Technology Fast Ethernet Technology The growing importance of LANs and the increasing complexity of desktop computing applications are fueling the need for high performance networks.

  • Page 14: Switching Technology

    Switch Description The DES-3226L is equipped with unshielded twisted-pair (UTP) cable ports providing dedicated 10 or 100 Mbps bandwidth. The Switch has 24 UTP ports and Auto MDI-X/MDI-II convertible ports that can be used for uplinking to another switch. These ports can be used for connecting PCs, printers, servers, hubs, routers, switches and other networking devices.

  • Page 15: Features

    DES-3226L Layer 2 Fast Ethernet Switch User’s Guide In addition, the Switch has 2 Mini-GBIC combo ports. These two-gigabit combo ports are ideal for connecting to a server or network backbone. This stand-alone Switch enables the network to use some of the most demanding multimedia and imaging applications concurrently with other user applications without creating bottlenecks.

  • Page 16: Ports

    PC using a terminal emulation program. Important Note: For customers interested in D-View, D-Link Corporation’s proprietary SNMP management software, go to the D-Link Website (www.dlink.com.cn) and download the software and manual. Front-Panel Components The front panel of the Switch consists of LED indicators for power and for each 10/100 Mbps twisted-pair ports, and two 1000BASE-T Mini-GBIC ports.

  • Page 17: Led Indicators

    DES-3226L Layer 2 Fast Ethernet Switch User’s Guide LED Indicators The LED indicators of the Switch include Power, Console, Link/Act, Speed and FDX. This Switch also includes a LED Mode button, which has the default setting set to Link/Act. The user may scroll through to show the LED status for Link/Act, Speed and FDX of each port.

  • Page 18: Rear Panel Description

    DES-3226L Layer 2 Fast Ethernet Switch User’s Guide Rear Panel Description The rear panel of the Switch contains an AC power connector. Figure 1-3. Rear panel view of the Switch The AC power connector is a standard three-pronged connector that supports the power cord.
  • Page 19 DES-3226L Layer 2 Fast Ethernet Switch User’s Guide Figure 1-5. Mini-GBIC modules plug-in to the Switch Figure 1-6. Installing the Mini-GBIC Module...

  • Page 20: Installation

    • This Manual • If any item is found missing or damaged, please contact your local D-Link Reseller for replacement. Before You Connect to the Network The site where you install the Switch may greatly affect its performance. Please follow these guidelines for setting up the Switch.

  • Page 21: Installing The Switch Without The Rack

    DES-3226L Layer 2 Fast Ethernet Switch User’s Guide Install the Switch in a site free from strong electromagnetic field generators (such as • motors), vibration, dust, and direct exposure to sunlight. When installing the Switch on a level surface, attach the rubber feet to the bottom of •...

  • Page 22: Mounting The Switch In A Standard 19" Rack

    DES-3226L Layer 2 Fast Ethernet Switch User’s Guide Mounting the Switch in a standard 19” rack. Figure 2-3. Installing Switch in a rack Power On Plug one end of the AC power cord into the power connector of the Switch and the other end into the local power source outlet.

  • Page 23: Connecting The Switch

    DES-3226L Layer 2 Fast Ethernet Switch User’s Guide Section 3 Connecting The Switch Switch To End Node Switch To Hub or Switch Connecting To Network Backbone or Server NOTE: All 24 high-performance NWay Ethernet ports can support both MDI-II and MDI-X connections.

  • Page 24: Connecting To Network Backbone Or Server

    DES-3226L Layer 2 Fast Ethernet Switch User’s Guide Figure 3-2. Switch connected to a port on a hub or switch using either a straight or crossover cable– any normal cable is fine Connecting To Network Backbone or Server The two Mini-GBIC combo ports are ideal for uplinking to a network backbone or server. The copper ports operate at a speed of 1000, 100 or 10Mbps in full or half duplex mode.

  • Page 25: Introduction To Switch Management

    DES-3226L Layer 2 Fast Ethernet Switch User’s Guide Section 4 Introduction To Switch Management Management Options Web-based Management Interface SNMP-Based Management Managing User Accounts Command Line Console Interface Through The Serial Port Connecting the Console Port (RS-232 DCE) First Time Connecting to The Switch...

  • Page 26: Connecting The Console Port (Rs-232 Dce)

    DES-3226L Layer 2 Fast Ethernet Switch User’s Guide Connecting the Console Port (RS-232 DCE) 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 female DB-9 connector, implemented as a data terminal equipment (DTE) connection.

  • Page 27: First Time Connecting To The Switch

    DES-3226L Layer 2 Fast Ethernet Switch User’s Guide 11. Enter the commands to complete your desired tasks. Many commands require administrator-level access privileges. Read the next section for more information on setting up user accounts. See the DES 3226L Command Line Interface Reference Manual on the documentation CD for a list of all commands and additional information on using the CLI.
  • Page 28 Figure 4-1. Initial screen, first time connecting to the Switch Press Enter in both the Username and Password fields. You will be given access to the command prompt DES-3226L shown below: There is no initial username or password. Leave the Username and Password fields blank.

  • Page 29: Password Protection

    The sample below illustrates a successful creation of a new administrator-level account with the user name “newmanager”. DES-3226L:4#create account admin newmanager Command: create account admin newmanager Enter a case-sensitive new password:******** Enter the new password again for confirmation:******** Success.

  • Page 30: Snmp Settings

    DES-3226L Layer 2 Fast Ethernet Switch User’s Guide NOTICE: CLI configuration commands only modify the running configuration file and are not saved when the Switch is rebooted. To save all your configuration changes in nonvolatile storage, you must use the save command to copy the running configuration file to the startup configuration.

  • Page 31: Ip Address Assignment

    DES-3226L Layer 2 Fast Ethernet Switch User’s Guide encrypted. To read more about how to configure SNMP v.3 settings for the Switch read the section entitled Management. Traps Traps are messages that alert network personnel of events that occur on the Switch. The events can be as serious as a reboot (someone accidentally turned OFF the Switch), or less serious like a port status change.
  • Page 32 DES-3226L Layer 2 Fast Ethernet Switch User’s Guide Figure 4-3. Show switch command The Switch’s MAC address can also be found from the Web management program on the Switch Information (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.

  • Page 33: Connecting Devices To The Switch

    DES-3226L Layer 2 Fast Ethernet Switch User’s Guide Figure 4-4. Assigning the Switch an IP Address In the above example, the Switch was assigned an IP address of 10.53.13.175 with a subnet mask of 255.0.0.0. The system message Success indicates that the command was executed successfully.

  • Page 34: Introduction To Web-Based Switch Configuration

    IGMP Snooping Status Introduction All software function of the DES-3226L 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 Opera, Netscape Navigator/Communicator, or Microsoft Internet Explorer.
  • Page 35 DES-3226L Layer 2 Fast Ethernet Switch User’s Guide Login to Web Manager To begin managing your Switch simply run the browser you have installed on your computer and point it to the IP address you have defined for the device. The URL in the address bar should read something like: http://123.123.123.123, where the numbers 123 represent the IP...

  • Page 36: Web-Based User Interface

    DES-3226L Layer 2 Fast Ethernet Switch User’s Guide Leave both the User Name field and the Password field blank and click OK. This will open the Web-based user interface. The Switch management features available in the web-based manager are explained below.
  • Page 37 Select the menu or window to be displayed. The folder icons can be opened to display the hyperlinked menu buttons and subfolders contained within them. Click the D-Link logo to go to the D-Link website. Presents switch information based on your selection and the entry of configuration data.

  • Page 38: Basic Setup

    DES-3226L Layer 2 Fast Ethernet Switch User’s Guide Basic Setup The subsections below describe how to change some of the basic settings for the Switch such as changing IP settings and assigning user names and passwords for management access privileges, as well as how to save the changes and restart the Switch.

  • Page 39: Basic Switch Setup

    DES-3226L Layer 2 Fast Ethernet Switch User’s Guide Basic Switch Setup The Basic Switch Setup may initially be set using the console interface prior to connecting to it through the Ethernet. If the Switch IP address has not yet been changed, read the...
  • Page 40 DES-3226L Layer 2 Fast Ethernet Switch User’s Guide members. If VLANs have been previously configured on the Switch, you will need to enter the VLAN ID of the VLAN that contains the port connected to the management station that will access the Switch. The Switch will allow management access from stations with the same VID listed here.
  • Page 41 DES-3226L Layer 2 Fast Ethernet Switch User’s Guide NOTE: The Switch’s factory default IP address is 10.90.90.90 with a subnet mask of 255.0.0.0 and a default gateway of 0.0.0.0. Setting the Switch’s IP Address using the Console Interface Each Switch must be assigned its own IP Address, which is used for communication with an SNMP network manager or other TCP/IP application (for example BOOTP, TFTP).

  • Page 42: Serial Port Settings

    DES-3226L Layer 2 Fast Ethernet Switch User’s Guide Serial Port Settings The Serial Port Settings window may be found in the Basic Setup folder. This window is used to configure the console settings for the Command Line Interface or for a Telnet session.

  • Page 43: Port Configurations

    DES-3226L Layer 2 Fast Ethernet Switch User’s Guide Port Configurations This section contains information for configuring various attributes and properties for individual physical ports, including port speed and flow control. Clicking on Port Configurations will open the following window for the user.
  • Page 44 DES-3226L Layer 2 Fast Ethernet Switch User’s Guide NOTE: The user may also choose a port to configure by selecting a port on the Switch’s front panel at the top of the web-based user interface page. Figure 5-8. Port Configurations – Edit window...

  • Page 45: User Accounts

    DES-3226L Layer 2 Fast Ethernet Switch User’s Guide User Accounts From the Basic Setup menu, click User Accounts and the following window appears. Figure 5-9. User Accounts window Click New to add a new user account, utilizing the window below.

  • Page 46: Admin And User Privileges

    You can logon again and are now ready to continue configuring the Switch. Network Management The DES-3226L allows you to manage the switch via the Network Management menu. This switch uses SNMPv3 for management purposes, as seen below. SNMPv3 The DES-3226L incorporates a flexible SNMP management for the switching environment.
  • Page 47 DES-3226L Layer 2 Fast Ethernet Switch User’s Guide SNMP View Table The SNMP View Table is used to assign views to community strings that define which MIB objects can be accessed by an SNMP manager. To access the view table, click Basic Setup >...
  • Page 48 DES-3226L Layer 2 Fast Ethernet Switch User’s Guide Parameter Description View Name Type an alphanumeric string of up to 32 characters. This is used to identify the new SNMP view being created. Subtree OID Type the Object Identifier (OID) Subtree for the view. The OID identifies an object tree (MIB tree) that will be included or excluded from access by an SNMP manager.
  • Page 49 DES-3226L Layer 2 Fast Ethernet Switch User’s Guide Figure 5-15. SNMP Group Table – Add window 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 50: Snmp Community Table

    DES-3226L Layer 2 Fast Ethernet Switch User’s Guide SNMP Community Table 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.

  • Page 51: Snmp Host Table

    DES-3226L Layer 2 Fast Ethernet Switch User’s Guide The following parameters can be set: Parameter Description Community Name Type an alphanumeric string of up to 33 characters that is used to identify members of an SNMP community. This string is used like a password to give remote SNMP managers access to MIB objects in the Switch’s...

  • Page 52: Snmp Engine Id

    DES-3226L Layer 2 Fast Ethernet Switch User’s Guide Figure 5-19. SNMP Host Table – Add window The following parameters can be set: Parameter Description IP Address Type the IP address of the remote management station that will serve as the SNMP host for the Switch.
  • Page 53 DES-3226L Layer 2 Fast Ethernet Switch User’s Guide SNMP User Table The SNMP User Table displays all of the SNMP User’s currently configured on the Switch. Open the Basic Setup folder and then the Network Management folder. Click on SNMPV3 and finally click on the SNMP User Table link.

  • Page 54: Management Station Ip Addresses

    DES-3226L Layer 2 Fast Ethernet Switch User’s Guide The following parameters can be set: 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 that can request Group Name SNMP messages.

  • Page 55: Switch Utilities

    DES-3226L Layer 2 Fast Ethernet Switch User’s Guide Switch Utilities The Switch Utilities menu will aid the user in maintaining some of the basic utilities of the switch, such as TFTP services and the Ping test. See below for further description.
  • Page 56 DES-3226L Layer 2 Fast Ethernet Switch User’s Guide Figure 5-25. Download Configuration from TFTP Server window Enter the IP address of the TFTP server and specify the location of the Switch • configuration file on the TFTP server. Enter the full location of the firmware in the Path/Filename field.

  • Page 57: Ping Test

    DES-3226L Layer 2 Fast Ethernet Switch User’s Guide Upload History Log to TFTP Server To upload the Switch history log file to a TFTP server, click on the Switch Utilities > TFTP Services > Upload History Log to TFTP Server link: Figure 5-27.

  • Page 58: Network Monitoring

    Fast Ethernet Switch User’s Guide Network Monitoring The DES-3226L provides network monitoring capabilities that can be viewed under the Network Monitoring menu in the Basic Setup folder. The menu consists of windows showing port statistics, address tables and the current switch status. See below for further description.

  • Page 59: Port Error Packets

    DES-3226L Layer 2 Fast Ethernet Switch User’s Guide Port Error Packets The Port Error Packets window shows the number and type of error packets received by the switch. To view the Port Error Packets windows, click Basic Setup > Network Monitoring >...

  • Page 60: Port Packet Analysis

    DES-3226L Layer 2 Fast Ethernet Switch User’s Guide RX (receive) Parameter Description Excessive Deferral The number of frames for which the first transmission attempt on a particular interface was delayed because the medium was busy. CRC Error Counts otherwise valid frames that did not end on a byte (octet) boundary.
  • Page 61 DES-3226L Layer 2 Fast Ethernet Switch User’s Guide The results are separated into three tables, labeled A, B, and C in the window above. Table A is relevant to the size of the packets, Table B is relevant to the type of packets and Table C is relevant to the type of frame associated with these packets.

  • Page 62: Mac Address Table

    DES-3226L Layer 2 Fast Ethernet Switch User’s Guide Table C: Frame Type Frame Type Description Unicast RX Displays the number of unicast packets received by the Switch in total number (Frames) and the rate (Frames/sec). Displays the number of multicast packets received by the Switch in total Multicast RX number (Frames) and the rate (Frames/sec).

  • Page 63: Status

    DES-3226L Layer 2 Fast Ethernet Switch User’s Guide The following fields can be set: Parameter Description Enter a VLAN name for the forwarding table to be browsed by and then click the Browse Table By VLAN Browse button. Browse Table...

  • Page 64: Router Ports

    DES-3226L Layer 2 Fast Ethernet Switch User’s Guide Figure 5-33. GVRP Status window Router Ports 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 65: Igmp Snooping Group Table

    DES-3226L Layer 2 Fast Ethernet Switch User’s Guide IGMP Snooping Group Table Click Basic Setup > Network Monitoring > Status > IGMP Snooping Group Table. 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 66 DES-3226L Layer 2 Fast Ethernet Switch User’s Guide Figure 5-36. Switch History window The Switch can record event information in its own logs, to designated SNMP trap receiving stations, and to the PC connected to the console manager. Clicking Next at the bottom of the window will allow you to display all the switch Trap Logs.

  • Page 67: 802.1X Auth Diagnostics

    DES-3226L Layer 2 Fast Ethernet Switch User’s Guide 802.1X Auth Diagnostics This is a read-only field is used to display the authenticator diagnostics information on the switch. To view this window, click Basic Setup > Network Monitoring > 802.1X Diagnostics.

  • Page 68: 802.1X Auth Client

    DES-3226L Layer 2 Fast Ethernet Switch User’s Guide Figure 5-39. 802.1X Auth Session Statistics window 802.1X Auth Client This is a read-only field is used to display the RADIUS Auth Client information on the switch. To view this window, click Basic Setup > Network Monitoring > 802.1X Auth Client.

  • Page 69: 802.1X Accounting Client

    Figure 5-42. Factory Reset window Save Changes The DES-3226L has two levels of memory, normal RAM and non-volatile or NV-RAM. To retain any configuration changes permanently, highlight Save Changes on the Basic Setup menu. The following windows will appear to verify that your new settings have been...

  • Page 70: Restart System

    DES-3226L Layer 2 Fast Ethernet Switch User’s Guide Figure 5-43. Save Changes window Restart System Figure 5-44. Restart System window Logout To logout off the switch, click the Logout link under the Basic Setup folder, which will present the following screen.

  • Page 71: Advanced Setup

    DES-3226L Layer 2 Fast Ethernet Switch User’s Guide Section 6 Advanced Setup Port Segmentation Spanning Tree Forwarding Configure QoS Mirroring Configurations VLAN Configurations Link Aggregation 802.1x System Log Multicast Configurations SSH Management Port Segmentation Figure 6-1. Load Port Segmentation window...

  • Page 72: Spanning Tree

    DES-3226L Layer 2 Fast Ethernet Switch User’s Guide Spanning Tree The switch supports 802.1d Spanning Tree Protocol (STP). 802.1d STP will be familiar to most networking professionals and may be configured on this switch as follows: STP Switch Settings To globally configure STP on the Switch, under Advanced Setup, click Spanning Tree and then STP Switch Settings.
  • Page 73 DES-3226L Layer 2 Fast Ethernet Switch User’s Guide Parameters that you can change are: Parameter Description Status This drop-down menu allows you to enable the Spanning Tree Protocol setting. MAX. AGE (6- <20> – The Maximum Age can be from 6 to 40 seconds. At the end of the...

  • Page 74: Stp Port Settings

    DES-3226L Layer 2 Fast Ethernet Switch User’s Guide STP Port Settings To configure STP Port Settings on the Switch, under Advanced Setup, click Spanning Tree and then STP Port Settings. Figure 6-3. STP Port Table window Select an entry on the STP Port Table and then click Edit:...
  • Page 75 DES-3226L Layer 2 Fast Ethernet Switch User’s Guide The STP port settings that can be configured are: Parameter Description Port Number of port being configured. State Toggle between Enabled and Disabled. When STP is enabled, a change from link-down to link-up will trigger the Spanning Tree Protocol. STP will set the port to the listening state.

  • Page 76: Forwarding

    DES-3226L Layer 2 Fast Ethernet Switch User’s Guide Forwarding The Switch supports MAC forwarding. MAC Forwarding The MAC Forwarding feature is divided between MAC Address Aging Time and Configure The Broadcast Storm Control Mode. MAC Address Aging Time Figure 6-5. MAC Address Aging Time window...

  • Page 77: Configure Qos

    CoS queues that have been given a nonzero value, and depending upon the weight, will follow a common weighted round-robin scheme. Remember that the DES-3226L has two priority queues (and thus two Classes of Service) for each port on the switch.

  • Page 78: 802.1P User Priority

    Fast Ethernet Switch User’s Guide 802.1p User Priority The DES-3226L allows the assignment of a User Priority to each of the 802.1p priorities. Figure 6-7. 802.1p User Priority window Once you have assigned a priority to the port groups on the switch, you can then assign this Class to each of the eight levels of 802.1p priorities.

  • Page 79: Bandwidth Control Table

    DES-3226L Layer 2 Fast Ethernet Switch User’s Guide Bandwidth Control Table Figure 6-8. Bandwidth Control Table window The bandwidth control settings are used to place a ceiling on the transmitting and receiving data bit rates for any port.

  • Page 80: Mirroring Configurations

    DES-3226L Layer 2 Fast Ethernet Switch User’s Guide To change the maximum allowed bandwidth for a given port in the Bandwidth Control Table window, click the selection button in the far left column that corresponds to the port you want to configure and click the Edit button. A new window opens: Figure 6-9.

  • Page 81: Vlan Configurations

    DES-3226L Layer 2 Fast Ethernet Switch User’s Guide The target port is the port where information will be duplicated and sent for capture and network analysis. This is the port where a network analyzer would be attached to capture packets duplicated from the source port.
  • Page 82 VLAN membership, packets cannot cross VLANs without a network device performing a routing function between the VLANs. 2. The DES-3226L supports IEEE 802.1Q VLANs and Port-Based VLANs. The port untagging function can be used to remove the 802.1Q tag from packet headers to maintain compatibility with devices that are tag-unaware.

  • Page 83: Q Vlan Packet Forwarding

    DES-3226L Layer 2 Fast Ethernet Switch User’s Guide IEEE 802.1Q VLANs Some relevant terms: Tagging – The act of putting 802.1Q VLAN information into the header of a packet. Untagging – The act of stripping 802.1Q VLAN information out of the packet header.
  • Page 84 DES-3226L Layer 2 Fast Ethernet Switch User’s Guide Figure 6-11. IEEE 802.1Q Packet Forwarding 802.1Q VLAN Tags The figure below shows the 802.1Q VLAN tag. There are four additional octets inserted after the source MAC address. Their presence is indicated by a value of 0x8100 in the EtherType field.
  • Page 85 DES-3226L Layer 2 Fast Ethernet Switch User’s Guide Figure 6-12. IEEE 802.1Q Tag The EtherType and VLAN ID are inserted after the MAC source address, but before the original EtherType/Length or Logical Link Control. Because the packet is now a bit longer than it was originally, the Cyclic Redundancy Check (CRC) must be recalculated.

  • Page 86: Tagging And Untagging

    DES-3226L Layer 2 Fast Ethernet Switch User’s Guide packet received on a given port would be assigned that port’s PVID and then be forwarded to the port that corresponded to the packet’s destination address (found in the switch’s forwarding table). If the PVID of the port that received the packet is different from the PVID of the port that is to transmit the packet, the switch will drop the packet.

  • Page 87: Ingress Filtering

    DES-3226L Layer 2 Fast Ethernet Switch User’s Guide 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 88: Vlan Segmentation

    DES-3226L Layer 2 Fast Ethernet Switch User’s Guide Port-based VLANs Port-based VLANs limit traffic that flows into and out of switch ports. Thus, all devices connected to a port are members of the VLAN(s) the port belongs to, whether there is a single computer directly connected to a switch, or an entire department.

  • Page 89: Vlan Mode Set

    DES-3226L Layer 2 Fast Ethernet Switch User’s Guide VLAN Mode Set Figure 6-14. VLAN Mode Setting window This screen is used to change the VLAN Setting on the Switch. The user may use the pull- down menu to choose between 802.1Q VLAN and Port-Based VLAN. After choosing a different VLAN mode, click Apply and the Switch will have to reboot to apply the settings.

  • Page 90: 802.1Q Vlans

    DES-3226L Layer 2 Fast Ethernet Switch User’s Guide 802.1Q VLANs Figure 6-16. 802.1Q VLANs window To delete an existing 802.1Q VLAN, click the corresponding radio button to the left of the VLAN you want to delete from the Switch and then click the Delete button.
  • Page 91 DES-3226L Layer 2 Fast Ethernet Switch User’s Guide Figure 6-17. 802.1Q VLANs – Add window To edit an existing VLAN, click Edit, which will reveal the following screen. Note: The Switch’s default is to assign all ports to a single VLAN named default “...
  • Page 92 DES-3226L Layer 2 Fast Ethernet Switch User’s Guide Both of these windows offer the following fields to configure: Parameter Description VLAN ID (VID) Allows the entry of a VLAN ID in the Add window, or displays the VLAN ID of an existing VLAN in the Modify window.
  • Page 93 DES-3226L Layer 2 Fast Ethernet Switch User’s Guide IEEE 802.1Q Port Settings Figure 6- 19. Port VLAN ID (PVID) window This window allows you to see a Port VLAN ID (PVID) number, enable or disable the ingress filtering check, and enable or disable GVRP for individual ports.

  • Page 94: Port-Based Vlans

    DES-3226L Layer 2 Fast Ethernet Switch User’s Guide Parameter Description Port Corresponding number to a port on the switch. PVID PVID is used to decide whether received untagged packets belong to a VLAN. For each corresponding port, GARP VLAN Registration Protocol can be Enabled GVRP or Disabled.

  • Page 95: Link Aggregation

    Port trunk groups are used to combine a number of ports together to make a single high- bandwidth data pipeline. The DES-3226L supports up to seven port trunk groups with two to four ports in each group. A potential bit rate of 800 Mbps can be achieved.
  • Page 96 DES-3226L Layer 2 Fast Ethernet Switch User’s Guide Figure 6-23. Example of Port Trunk Group The Switch treats all ports in a trunk group as a single port. Data transmitted to a specific host (destination address) will always be transmitted over the same port in a trunk group. This allows packets in a data stream to arrive in the same order they were sent.

  • Page 97: Link Aggregation Group

    DES-3226L Layer 2 Fast Ethernet Switch User’s Guide single link aggregation group. A link aggregation group may not cross an 8-port boundary, starting with port 1 (a group may not contain ports 8 and 9, for example) and all of the ports in the group must be members of the same VLAN.
  • Page 98 DES-3226L Layer 2 Fast Ethernet Switch User’s Guide Figure 6-25. 2 Link Aggregation window The following fields can be set: Parameter Description Group ID Allows the entry of a number used to identify the link aggregation group, when adding a new group. Displays the Group ID of the currently selected link aggregation group, when editing and existing entry.

  • Page 99: Lacp Port Config

    DES-3226L Layer 2 Fast Ethernet Switch User’s Guide Lacp Port Config LACP supports the automatic creation of link aggregation by exchanging LACP packets between LAN ports. LACP packets are exchanged only between ports in passive and active modes. Both the passive and active modes allow LACP to negotiate between LAN ports to determine if they can form a link aggregation.
  • Page 100 DES-3226L Layer 2 Fast Ethernet Switch User’s Guide To edit an LACP Port Table entry, select it and then click Edit. Figure 6-26. Lacp Port Setting window Select the desired port, mode, and range of ports to be configured and then click Apply.
  • Page 101 DES-3226L Layer 2 Fast Ethernet Switch User’s Guide 802.1x The Switch is an implementation of the server side of IEEE 802.1x Port-Based Network Access Control. Through this mechanism, users have to be authorized before being able to access the network. See the following figure: Figure 6-28.
  • Page 102 The Key Receive state machine Table 6-2. Conformance to IEEE 802.1x Standards The DES-3226L implements the server-side of the IEEE 802.1x Port-based Network Access Control. This mechanism is intended to allow only authorized users, or other network devices, access to network resources by establishing criteria for each port on the Switch that a user or network device must meet before allowing that port to forward or receive frames.

  • Page 103: 802.1X State

    DES-3226L Layer 2 Fast Ethernet Switch User’s Guide 802.1x State Figure 6-31. 802.1x State window The following fields can be set: Parameter Description 802.1x State This window allows the user to enable or disable the 802.1x Port- Based Network Access control server application on the switch.
  • Page 104 DES-3226L Layer 2 Fast Ethernet Switch User’s Guide Click the radio button on the far left that corresponds to the port you want to configure and click the Edit button. The following window will appear: Figure 6-33. 802.1x Port Settings – Edit window...
  • Page 105 DES-3226L Layer 2 Fast Ethernet Switch User’s Guide Configure the following 802.1x port settings: Parameter Description Port being configured for 802.1x settings. Port Two role choices can be selected: Capability Authenticator − A user must pass the authentication process to gain access to the network.

  • Page 106: Radius Server Settings

    DES-3226L Layer 2 Fast Ethernet Switch User’s Guide 802.1X Reauthenticate Ports Figure 6-34. 802.1X Reauthenticate Ports window This screen allows you to reauthenticate a port or group of ports. This will allow the user to reauthenticate the device connected with the port. During the reauthentication period, the port status will remain authorized until a failed reauthentication.

  • Page 107: Local Server User

    DES-3226L Layer 2 Fast Ethernet Switch User’s Guide To add RADIUS server settings click the New button and a separate configuration window will appear. To edit an existing RADIUS settings index, select it and click the Edit button. Figure 6-37. RADIUS Server Settings – Add window...

  • Page 108: System Log

    DES-3226L Layer 2 Fast Ethernet Switch User’s Guide System Log The switch can send Syslog messages to up to four designated servers. Use the System Log State to enable this function. System Log State Figure 6-40. System Log State window To enable the System Log Server settings you have chosen on the System Log Server window, select Enabled and click the Apply button.
  • Page 109 DES-3226L Layer 2 Fast Ethernet Switch User’s Guide Parameter Description Syslog server settings index (1-4). Index Server IP Type in the IP address of the Syslog server receiving the message. Severity Select the level of message sent, select: Warning, Information or All.

  • Page 110: Multicast Configuration

    DES-3226L Layer 2 Fast Ethernet Switch User’s Guide Multicast Configuration The Switch supports Multicast configuration. The feature is divided into IGMP Snooping Global, IGMP Snooping Configurations, and Static Router Port Settings. IGMP Snooping Global Figure 6-43. IGMP Snooping State window Internet Group Management Protocol (IGMP) snooping allows the Switch to recognize IGMP queries and reports sent between network stations or devices and an IGMP host.
  • Page 111 DES-3226L Layer 2 Fast Ethernet Switch User’s Guide Figure 6-45. IGMP Snooping Configurations – Edit window...
  • Page 112 DES-3226L Layer 2 Fast Ethernet Switch User’s Guide The following parameters can be set: Parameter Description Query Interval (1- The time between IGMP queries, set in seconds. The user may set a value 65535) between 1 and 65535 seconds. The default is 125 seconds.

  • Page 113: Static Router Port Settings

    DES-3226L Layer 2 Fast Ethernet Switch User’s Guide Static Router Port Settings Figure 6-46. Static Router Port Settings window Select an entry and click Edit to access the following window: Figure 6-47. Static Router Port Settings – Edit window SSH Management SSH is the abbreviation of Secure Shell, which is a program allowing secure remote login and secure network services over an insecure network.

  • Page 114: Ssh State

    DES-3226L Layer 2 Fast Ethernet Switch User’s Guide SSH State Figure 6-48. SSH State window Toggle SSH State to Enabled to implement the Secure Shell protection. SSH Global Figure 6-49. SSH Configure window The SSH Configure window contains the global server setting: maximum simultaneous sessions, connection timeout, maximum fail attempts, authentication method, key re-exchange timeout, the encryption algorithms, data integrality algorithms and public key algorithms.

  • Page 115: Ssh Account Configuration

    DES-3226L Layer 2 Fast Ethernet Switch User’s Guide The information on the window is described as following: Parameter Description Maximum Specify how many sessions at most the server program will handle Simultaneous simultaneously. Sessions (1 – 2) Connection Specify how many seconds the connection can survive before the server Timeout(120- automatically ends the connection.
  • Page 116 DES-3226L Layer 2 Fast Ethernet Switch User’s Guide Figure 6-51. SSH Accounts – Add window The SSH Accounts – Add window can be used to specify user name, new password, authentication method, host name and host IP.

  • Page 117: Technical Specifications

    Appendix A Technical Specifications General IEEE 802.3 10BASE-T Ethernet IEEE 802.3u 100BASE-TX Fast Ethernet IEEE 802.3z Gigabit Ethernet (over Fiber) IEEE 802.3ab Gigabit Ethernet Standards: IEEE 802.1Q Tagged VLAN IEEE 802.1P Tagged Packets IEEE 802.3ab 1000BASE-T IEEE 802.3x Full-duplex Flow Control ANSI/IEEE 802.3 NWay auto-negotiation Protocols: CSMA/CD...

  • Page 118: Network Cables

    Network Cables 10BASE-T: UTP Category 3, 4, 5 (100 meters max.) EIA/TIA- 568 150-ohm STP (100 meters max.) 100BASE-TX: UTP Cat. 5 (100 meters max.) EIA/TIA-568 150-ohm STP (100 meters max.) 1000BASE-T: UTP Cat. 5e (100 meters max.) UTP Cat. 5 (100 meters max.) EIA/TIA-568B 150-ohm STP (100 meters max.) 1000BASE-LX: Single-mode fiber module (10km)
  • Page 119 Performance Transmission Store-and-forward Method: Packet Buffer: 3 MB per device Packet Filtering/ Forwarding Full-wire speed for all connections. 1,488,095 pps per port (for Rate: 1000Mbps) MAC Address Automatic update. Supports 4K MAC address. Learning: Priority Queues: 2 Priority Queues per port. Max age: 10–765 seconds.

  • Page 120: Cables And Connectors

    Appendix B Cables and Connectors When connecting the Switch to another switch, a bridge or hub, a normal cable is necessary. Please review these products for matching cable pin assignment. The following diagrams and tables show the standard RJ-45 receptacle/connector and their pin assignments.

  • Page 121: Cable Lengths

    Appendix C Cable Lengths Use the following table to as a guide for the maximum cable lengths. Standard Media Type Maximum Distance 1000BASE-LX, Single-mode fiber module 10km Mini-GBIC 1000BASE-SX, Multi-mode fiber module 550m 1000BASE-LHX, Single-mode fiber module 40km 1000BASE-ZX, Single-mode fiber module 80km 1000BASE-T Category 5e UTP Cable...
  • Page 122 Glossary 1000BASE-LX: A long laser wavelength on multimode fiber optic cable for a maximum length of 10 kilometers. 1000BASE-SX: A short wavelength for a "long haul" fiber optic cable for a maximum length of 550 meters. 100BASE-FX: 100Mbps Ethernet implementation over fiber. 100BASE-TX: 100Mbps Ethernet implementation over Category 5 and Type 1 Twisted Pair cabling.
  • Page 123 CSMA/CD: Channel access method used by Ethernet and IEEE 802.3 standards in which devices transmit only after finding the data channel clear for some period of time. When two devices transmit simultaneously, a collision occurs and the colliding devices delay their retransmissions for a random amount of time. data center switching: The point of aggregation within a corporate network where a switch provides high-performance access to server farms, a high-speed backbone connection and a control point for network management and security.
  • Page 124 multicast: Single packets copied to a specific subset of network addresses. These addresses are specified in the destination-address field of the packet. protocol: A set of rules for communication between devices on a network. The rules dictate format, timing, sequencing and error control. resilient link: A pair of ports that can be configured so that one will take over data transmission should the other fail.
  • Page 125 VLT: Virtual LAN Trunk. A Switch-to-Switch link which carries traffic for all the VLANs on each Switch. VT100: A type of terminal which uses ASCII characters. VT100 screens have a text- based appearance.
  • Page 126 Schwalbacher Strasse 74, D-65760 Eschborn, Germany TEL: 49-6196-77990 FAX: 49-6196-7799300 URL: www.dlink.de India D-Link India D-Link House, Kurla-Bandra Complex Rd., Off Cst Rd., Santacruz (East), Mumbai, 400 098 India TEL: 91-022-652-6696/6578/6623 FAX: 91-022-652-8914/8476 URL: www.dlink.co.in & www.dlink-india.com Israel D-Link Israel 11 Hamanofim Street, Ackerstein Towers, Regus Business Center P.O.B.
  • Page 127 Italy D-Link Mediterraneo Srl/D-Link Italia Via Nino Bonnet n. 6/B, 20154, Milano, Italy TEL: 39-02-2900-0676 FAX: 39-02-2900-1723 URL: www.dlink.it Netherlands D-Link Netherlands Weena 290, 3012 NJ Rotterdam, The Netherlands TEL: 31 (0)10 282 1445 FAX: 31 (0)10 282 1331 URL: www.dlink-benelux.com...

  • Page 128: Wichtige Sicherheitshinweise

    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 DAMAGES ARISING OUT THE INSTALLATION, MAINTENANCE, USE, PERFORMANCE, FAILURE OR INTERRUPTION OF A D- LINK PRODUCT, HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY.

  • Page 129: Limited Warranty

    Warranty service for software products may be obtained by contacting a D-Link office within the applicable warranty period. A list of D-Link offices is provided at the back of this manual, together with a copy of the Registration Card. If a Registration Card for the product in question has not been returned to a D-Link office, then a proof of purchase (such as a copy of the dated purchase invoice) must be provided when requesting warranty service.
  • Page 130 The customer must submit with the product as part of the claim a written description of the Hardware defect or Software nonconformance in sufficient detail to allow D-Link to confirm the same, along with proof of purchase of the product (such as a copy of the dated purchase invoice for the product) if the product is not registered.
  • Page 131 Warranty provides specific legal rights and you may also have other rights which vary from state to state. Trademarks: D-Link is a registered trademark of D-Link Systems, Inc. Other trademarks or registered trademarks are the property of their respective owners.
  • Page 132 PRODUCT REGISTRATION Register online your D-Link product at http://support.dlink.com/register/ Product registration is entirely voluntary and failure to complete or return this form will not diminish your warranty rights.

  • Page 133: Registration Card

    8. What category best describes your company? Aerospace Engineering Education Finance Hospital Legal Insurance/Real Estate Manufacturing Retail/Chainstore/Wholesale Government Transportation/Utilities/Communication System house/company Other_____________________________________________________ 9. Would you recommend your D-Link product to a friend? Don't know yet 10.Your comments on this product? _____________________________________________________ _______________________________________________________________________________________________________ _______________________________________________________________________________________________________ _______________________________________________________________________________________________________...

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