3Com 3C16476BS-US - Baseline 2250 Plus Switch User Manual

3Com 3C16476BS-US - Baseline 2250 Plus Switch User Manual

User guide
Table of Contents

Advertisement

Baseline Switch 2250 Plus
(3C16476BS) User Guide
http://www.3com.com/
Part No. DUA16476B-SAA02
Published April 2005

Advertisement

Table of Contents
loading

Summary of Contents for 3Com 3C16476BS-US - Baseline 2250 Plus Switch

  • Page 1 Baseline Switch 2250 Plus (3C16476BS) User Guide http://www.3com.com/ Part No. DUA16476B-SAA02 Published April 2005...
  • Page 2 LICENSE.TXT or Reducing the waste generated by all operations. Ensuring that all waste !LICENSE.TXT. If you are unable to locate a copy, please contact 3Com and conforms to recognized environmental standards. Maximizing the a copy will be provided to you.
  • Page 3: Table Of Contents

    ONTENTS Supplying Power to the Switch BOUT UIDE Checking for Correct Operation Conventions Connecting a Network Device Related Documentation Using SFP Transceivers Documentation Comments Approved SFP Transceivers Inserting an SFP Transceiver Removing an SFP Transceiver NTRODUCING THE ASELINE WITCH Performing Spot Checks Overview of the Baseline Switch 2250 Plus Features and Capabilities ONNECTING TO THE...
  • Page 4 Setting the IP Address BTAINING UPPORT FOR RODUCT Configuring Port Settings Register Your Product Basic Port Configuration Purchase Value-Added Services Advanced Port Configuration Troubleshoot Online Default Port Settings Access Software Downloads Configuring VLANs Telephone Technical Support and Repair Creating a VLAN Contact Us Deleting VLANs Modifying VLANs...
  • Page 5: About This Guide

    This typeface represents information as it Screen displays Adobe Acrobat Reader Portable Document Format appears on the screen. (PDF) on the 3Com World Wide Web site: The words “enter” When you see the word “enter” in this guide, and “type”...
  • Page 6: Related Documentation

    Related Documentation and questions about 3Com product documentation at this e-mail address. Questions related to technical In addition to this guide, each 3Com Baseline Switch support or sales should be directed in the first 2250 Plus documentation set includes the following: instance to your network supplier.
  • Page 7: Introducing The Baseline Switch

    (MDI) and medium dependent Overview of the Baseline Switch 2250 Plus interface crossover (MDIX) connections. This allows The 3Com® Baseline Switch 2250 Plus is a versatile, you to connect network devices to each port using easy-to-use unmanaged switch. It is ideal for users...
  • Page 8: Sfp Ports

    Traffic prioritization uses the multiple traffic queues 3Com Baseline Switch 2250 Plus to forward or to that are present in the hardware of the Switch to block and discard bridge protocol data unit (BPDU) ensure that high priority traffic is forwarded on a dif- packets to another switch.
  • Page 9: Physical Features

    Physical Features able communication paths between switches and to (1) 48 RJ-45 Ports determine the best available path and block less opti- WARNING: RJ-45 Ports. These are shielded RJ-45 mal paths. data sockets. They cannot be used as standard tradi- For information on configuring BPDU forwarding and tional telephone sockets, or to connect the unit to a blocking, refer to...
  • Page 10 In such a configuration, you may notice some The following tables describe the LEDs visible on the degradation of network performance. 3Com front of the Switch, and how to read their status recommends that you use devices that are capable of according to color.
  • Page 11 Contact your 3Com network sup- faulty. Contact your 3Com network sup- plier for further advice.
  • Page 12: Rear Panel

    Package Contents Yellow Power-on self-test or loopback test failed. If ■ this occurs, reset the Switch to factory The 3Com Baseline Switch 2250 Plus package “Resetting to Factory defaults. Refer to includes the following items: Defaults” One 3Com Baseline Switch 2250 Plus unit ■...
  • Page 13: Installing The Switch

    (l'Appendice B) de ce guide. ■ unit. WARNHINWEIS: Sicherheitsinformationen. Bevor Air flow around the unit and through the vents in ■ Sie Komponenten aus dem Switch entfernen oder the side of the case is not restricted (3Com recom- dem Switch hinzufuegen oder Instandhaltungsarbe-...
  • Page 14: Aufstellen Des Switch

    HAPTER NSTALLING THE WITCH mends that you provide a minimum of 25 mm or 1 3Com empfiehlt das Sie 25mm (1 Inch) Zwischen- in. clearance). raum sicherstellen. The air is as free of dust as possible. Die Luft so frei wie möglich von Staub ist.
  • Page 15: Montagesatz Anweisungen

    Rack-Mounting or Free-Standing To rack-mount the Switch: Montagesatz Anweisungen Der Switch wird mit zwei Halterungen und vier Place the unit the right way up on a hard, flat surface Schrauben geliefert. Diese werde für den Einbau in with the front facing towards you. einen Baugruppenträger benutzt.
  • Page 16: Supplying Power To The Switch

    Power LED on the front panel of the Switch flashes sags and surges to avoid unforeseen network out- green. ages. 3Com recommends that you install power con- ditioning, especially in areas prone to black outs, When POST is complete, the Power LED turns green.
  • Page 17: Connecting A Network Device

    10 or 100 Mbps link If these do not resolve the issue: Server on switched 1000 Mbps Check the 3Com Knowledgebase for a solution. To ■ connection visit the 3Com Knowledgebase Web site, start your Web browser, and then enter To connect a device to the Switch: http://knowledgebase.3com.com...
  • Page 18: Using Sfp Transceivers

    Figure 4 Inserting the SFP Transceiver ■ 3CSFP92 SFP (LX) ■ To access the latest list of approved SFP transceivers for the Switch on the 3Com Corporation World Wide Web site, enter this URL into your Internet browser: Product label http://www.3com.com 3Com recommends using 3Com SFPs on the Switch.
  • Page 19: Removing An Sfp Transceiver

    Remove the plastic protective cover, if fitted. 3Com recommends periodically checking the items Connect the fiber cable. listed in Table...
  • Page 20 2: I HAPTER NSTALLING THE WITCH...
  • Page 21: Onnecting To The

    Running the Discovery Application If you only want the Switch to function as a basic The 3Com Baseline Switch 2250 Plus CD-ROM con- layer 2 switch, you do not need to access the Web tains, among others, the Discovery application.
  • Page 22: Logging On To The Web Interface

    The Completing the 3Com Discovery Application If the computer has only one adapter, click Next. screen appears. Discovery searches the network for 3Com devices. Click Finish. When detection is complete, the Discovered Devices The logon dialog box for the Web interface appears.
  • Page 23: Navigating The Web Interface

    Navigating the Web Interface Figure 7 Logon Dialog Box Figure 8 Switch Screen Layout Buttons To log on to the Web interface: In User name, type admin Leave the Password field blank. Menu Port Status Click OK. Table 8 lists the available items on the menu. Navigating the Web Interface Table 8 Available Menu Items The Web interface has been designed to enable you...
  • Page 24: Buttons

    Enable and disable 802.1p prioriti- ■ zation Accessing the Interface Without Using Support Displays 3Com contact information Discovery and describes how to use the online help system The Discovery application works by automatically Log Out Allows you to securely log off the...
  • Page 25: Dhcp Assigned Ip Address

    Accessing the Interface Without Using Discovery DHCP Assigned IP Address If you set the IP address mode to DHCP, check the DHCP server for the IP address that is assigned to the Switch, and then use that IP address to access the Web interface.
  • Page 26 3: C HAPTER ONNECTING TO THE NTERFACE...
  • Page 27: Onfiguring The

    ONFIGURING THE WITCH This chapter provides information on how to config- Upgrade the firmware ■ ure the Switch’s advanced features. Topics include: Viewing Summary Information ■ Viewing Summary Information Changing the Admin Password ■ The Summary screen, which automatically loads after Modifying the IP Address Settings you log on to the Web interface, provides a snapshot ■...
  • Page 28: Changing The Admin Password

    To ensure that unauthorized users do not access the Figure 9 Top Half of the Summary Screen Web interface, 3Com recommends that you set an admin password when you first configure the Switch. Even if you do not intend to actively manage the...
  • Page 29: Modifying The Ip Address Settings

    The Switch repeats step 2 until an unused IP address connect to the Web interface. is found. 3Com recommends using automatic IP configuration Automatic IP Configuration only for the initial setup. Once you gain access to the When you power on the Switch for the first time, it...
  • Page 30: Setting The Ip Address

    4: C HAPTER ONFIGURING THE WITCH Setting the IP Address Table 9 IP Setting Options Option Description To set the IP address for the Switch: IP Address Mode Specify how the Switch will get its IP Click IP Settings on the menu. The IP Settings screen address.
  • Page 31: Configuring Port Settings

    Configuring Port Settings Speed Duplex – Sets the speed and duplex mode ■ Configuring Port Settings of the port. Available options include auto, 10 half-duplex, 10 full-duplex, 100-half duplex, and Using the Web interface, you can configure the 100 full-duplex. For 1000 Mbps connections, see speed/duplex and flow control settings of each port.
  • Page 32: Advanced Port Configuration

    4: C HAPTER ONFIGURING THE WITCH Switch will automatically connect at 1000Mbps, pro- Advanced settings include: viding the connected device also supports this speed. Broadcast Storm Control – Enables and disables ■ broadcast storm control 1000Mbps connections are always full-duplex. Half-duplex connections are only available for Packet Rate Threshold –...
  • Page 33: Creating A Vlan

    Configuring VLANs networks. This also provides for a more secure and For examples on setting up VLANs, refer to “Sample cleaner network environment. VLAN Configurations”. You can create up to 256 VLANs, add specific ports to CAUTION: At least one port must always be a a chosen VLAN (so that the port can only communi- member of VLAN 1 (the management VLAN).
  • Page 34: Modifying Vlans

    4: C HAPTER ONFIGURING THE WITCH Modifying VLANs Desktop - If you select this, the port can only com- ■ municate with other ports assigned to the VLAN Use the Modify VLAN screen to change the VLAN to selected in the VLAN ID drop-down list. which a port belongs, and configure the port to com- municate with all other VLANs, or a selected VLAN.
  • Page 35 Configuring VLANs Setting Up Two VLANs on the Same Switch Ports 1, 3, and 26 now belong to VLAN2, and will not communicate with any other ports, unless you add Figure 18 illustrates how you can set up a simple other ports to the VLAN or change the port configu- VLAN on the Switch using desktop connections.
  • Page 36: Configuring Trunking

    4: C HAPTER ONFIGURING THE WITCH Click Apply. Figure 19 Uplink VLAN Configuration Endstation Connect the uplink port on Switch 1 (in this example, in VLAN 1 (Desktop) Server in VLAN 1 (Desktop) port 16) to the uplink port on Switch 2 (in this exam- ple, port 8).
  • Page 37: Creating, Modifying, And Deleting Trunks

    Configuring Trunking All ports in a trunk must be configured in an iden- Figure 21 Membership Screen ■ tical manner, including communication mode (that is, speed, duplex mode and flow control). Creating, Modifying, and Deleting Trunks Use the Modify/Delete tabe under Trunking to create, configure or remove ports groups from trunks.
  • Page 38: Monitoring Traffic

    4: C HAPTER ONFIGURING THE WITCH To set up traffic monitoring for a port: Figure 22 Summary Screen Connect a network analyzer to a port. Access the Web interface, and then click Traffic Mon- itoring on the menu. The Port Traffic Monitoring Screen appears.
  • Page 39: Using The System Tools

    Using the System Tools For information on how to interpret the output on Any network users that are currently accessing the the port analyzer, refer to its accompanying docu- Internet will have their access interrupted while the mentation. restart takes place, and they may need to reboot their computers when the restart has completed and the Switch is operational again.
  • Page 40: Upgrading The System Software

    Switch any new releases of system software that upgrade process has been designed to preserve your 3Com may make available. configuration settings, 3Com recommends that you make a backup of the configuration beforehand, in Newer versions of software can be downloaded via case the upgrade process fails for any reason (for HTTP and copied to the Switch;...
  • Page 41: Configuring The Spanning Tree

    Using the System Tools CAUTION: Do not interrupt power to the Switch After all the bridges on the network have determined during the upgrade procedure. If you do, the soft- the configuration of their ports, each bridge only for- ware may be corrupted and the Switch may not start wards traffic between the Root Port and the ports up properly afterwards.
  • Page 42 4: C HAPTER ONFIGURING THE WITCH been priority encoded, then the Switch will read the Video (interactive media), less than 100 priority level and determine whether the packet milliseconds latency and jitter should be directed through the normal or high prior- Voice (interactive voice), less than 10 milli- ity channel.
  • Page 43: Troubleshooting

    Figure 29) of System Tools. After you If you encounter an issue that is not listed here and click RESET, a confirmation message appears. Click you cannot solve it, check the 3Com Knowledgebase OK to confirm. before contacting http://knowledgebase.3com.com your local technical support representative.
  • Page 44: Forgotten Static Ip Address

    ■ tion on basic LED checks, refer to the following topics The SFP module is correctly inserted. ■ Chapter A 3Com SFP module is being used. Refer to ■ (4) Module Active LEDs ■ “Approved SFP Transceivers” on page 18 (4) Module Active LEDs ■...
  • Page 45: If The Problem Persists

    Refer to the documentation that accompanies the device for information on disabling the broadcast operation. If the Problem Persists If the problem persists and the unit still does not operate successfully, contact your 3Com network supplier with the following information before return- ing the unit:...
  • Page 46 5: T HAPTER ROUBLESHOOTING...
  • Page 47: Upport For

    Register your product at http://eSupport.3com.com/. 3Com eSupport Troubleshoot Online services are based on accounts that you create or You will find support tools posted on the 3Com web have authorization to access. First time users must site at http://www.3com.com/...
  • Page 48: Telephone Technical Support And Repair

    UPPORT FOR RODUCT found at http://eSupport.3com.com/ , or under To send a product directly to 3Com for repair, you the Product Support heading at must first obtain a return authorization number http://www.3com.com/ (RMA). Products sent to 3Com, without authorization numbers clearly marked on the outside of the pack-...
  • Page 49 Taiwan 00801 611 261 You can also obtain support in this region using the following Thailand 001 800 611 2000 URL: http://emea.3com.com/support/email.html You can also obtain support in this region using the following e-mail: apr_technical_support@3com.com Country Telephone Number Or request a repair authorization number (RMA) by fax using...
  • Page 50 Country Telephone Number Antigua 1 800 988 2112 You can also obtain support in this region using the follow- Argentina 0 810 444 3COM ing: Aruba 1 800 998 2112 Spanish speakers, enter the URL: Bahamas 1 800 998 2112 http://lat.3com.com/lat/support/form.html...
  • Page 51: B Safety Information

    Important Safety Information conditions. Please read the following safety information carefully France and Peru Only before installing the 3Com Baseline Switch 2250 Plus. † This unit cannot be powered from IT supplies. If your WARNING: Installation and removal of the unit must supplies are of IT type, this unit must be powered by be carried out by qualified personnel only.
  • Page 52: Power Cord Set

    B: S PPENDIX AFETY NFORMATION Power Cord Set WARNING: Fiber Optic Ports – Optical Safety This must be approved for the country where it will be used. U.S.A. and Canada The cord set must be UL-approved ■ and CSA certified. Never look at the transmit laser while it is powered The minimum specifications for the ■...
  • Page 53: France Et Pérou Uniquement

    Consignes Importantes de Sécurité La prise secteur doit se trouver à proximité de Cordon électrique ■ l’appareil et son accès doit être facile. Vous ne Il doit être agréé dans le pays d’utilisation. pouvez mettre l’appareil hors circuit qu’en débran- Etats-Unis et Le cordon doit avoir reçu l’homologation chant son cordon électrique au niveau de cette...
  • Page 54: Wichtige Sicherheitshinweise Informationen

    Wenn der Baseline Switch 2250 Plus mit anderen ■ Europe Das Netzkabel muß vom Typ ■ 3Com Hubs oder Switche gestapelt werden soll, HO3VVF3GO.75 (Mindestan- müssen grössere Geräte unter den schmaleren forderung) sein und die Aufschrift Hubs eingebaut werden. <HAR> oder <BASEC> tragen.
  • Page 55 Wichtige Sicherheitshinweise Informationen WARNUNG: Die Installation und der Ausbau des Geräts darf nur durch Fachpersonal erfolgen. Niemals ein Übertragungslaser betrachten, während dieses eingeschaltet ist. Niemals direkt auf die Faser- ansnchlüsse und auf die Faserkabelenden schauen, während diese eingeschaltet sind. WARNUNG: Die Verwendung von Steuerelementen oder die Anpassung von Leistungen und Verfahren in anderer als der hierin genannten Weise kann zu gefährlichen Laseremissionen führen.
  • Page 56 B: S PPENDIX AFETY NFORMATION...
  • Page 57: Related Standards

    ECHNICAL NFORMATION Physical Related Standards Width 440 mm (17.3 in.) The 3Com Baseline Switch 2250 Plus has been Depth 235.5 mm (9.2 in.) designed to the following standards: Height 43.6 mm (1.7 in.) or 1U Functional ISO 8802-3, IEEE 802.3 (Ethernet), Weight 3.1 kgs (6.83 lbs)
  • Page 58 C: T PPENDIX ECHNICAL NFORMATION...
  • Page 59: Glossary

    LOSSARY 10BASE-T the IEEE 802.3 standard for Ethernet and is an opera- tion that takes place in a few milliseconds. Autonego- The IEEE specification for 10 Mbps Ethernet over Cat- tiation must be enabled for the 1000BASE-T ports to egory 3, 4 or 5 twisted pair cable. operate at 1000 Mbps, full-duplex.
  • Page 60 LOSSARY category 5e cables Ethernet address One of five grades of Twisted Pair (TP) cabling defined See MAC address. by the EIA/TIA-568 standard. Category 5e can be Fast Ethernet used in Ethernet (10BASE-T), Fast Ethernet (100BASE-TX) and Gigabit Ethernet (1000BASE-T) An Ethernet system that is designed to operate at 100 networks, and can transmit data at speeds of up to Mbps.
  • Page 61 LOSSARY standard way for VLANs to communicate across address is written as four octets separated with peri- switched networks. ods (full-stops), and is made up of a network section, an optional subnet section and a host section. IEEE 802.1p An IEEE standard for providing quality of service (QoS) in Ethernet networks.
  • Page 62 LOSSARY network subnet address A network is a collection of computers and other An extension of the IP addressing scheme that allows computer equipment that are connected for the pur- a site to use a single IP network address for multiple pose of exchanging information or sharing resources.
  • Page 63 LOSSARY TCP relates to the content of the data travelling through a network — ensuring that the information sent arrives in one piece when it reaches its destina- tion. IP relates to the address of the end station to which data is being sent, as well as the address of the destination network.
  • Page 64 LOSSARY...
  • Page 65: Index

    NDEX Numbers 1000BASE-LX 59 Ethernet 60 LAN defined 61 1000BASE-SX 59 LED issues 44 1000BASE-T 59 LEDs 100BASE-TX 59 Link/Activity 10 10BASE-T 59 Module Active 11 Fast Ethernet 60 Power 11 forgotten IP address 43 link aggregation 36 forgotten password 43 local area network 61 free-standing 14 auto IP configuration 29...
  • Page 66 NDEX changing 28 monitoring 38 default (blank) 28 troubleshooting 43 setting 28 forgotten IP address 43 physical features 9 forgotten password 43 port settings LED-related issues 44 configuring 31 POST failed 17 default settings 32 trunking See link aggregation ports RJ-45 11 SFP 8, 10 positioning 13...
  • Page 67: Regulatory Notices

    EGULATORY OTICES FCC S VCCI S TATEMENT TATEMENT This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to part 15 of the FCC rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment.

This manual is also suitable for:

3c16476bsBaseline 2250 plus

Table of Contents