3com 2226 PLUS Uživatelský manuál

www.3com.comPart No. 10015240 Rev. BAPublished February 2008Baseline Switch2226 PlusUser GuideBedienungsanleitung3C16475CS

10 INTRODUCING THE BASELINE SWITCHWhen an SFP port is in operation, the corresponding 1000BASE-T port is disabled. The 1000 Mbps connections can only

Physical Features 11can be connected to either a 10BASE-T, or 100BASE-TX device.For each port, the speed and duplex mode (half duplex or full duplex f

12 INTRODUCING THE BASELINE SWITCH10/100BASE-TX Ports(4) Duplex Status LEDsThe second and fourth (bottom) row of Status LEDs, which are colored yellow

Physical Features 13Gigabit Combo Ports(5) Power LEDThe Power LED shows the power status of the Switch.(6) Self-adhesive PadsThe unit is supplied with

14 INTRODUCING THE BASELINE SWITCHPackage ContentsBefore installing and using the Switch, verify that your Switch package is complete. The Switch come

2INSTALLING THE SWITCHThis chapter contains information that you need to install and set up the Switch. It covers the following topics: Before You Be

16 INSTALLING THE SWITCHAlternatively, the Switch can be rack-mounted in a wiring closet or equipment room. A mounting kit, containing two mounting br

Rack-Mounting or Free-Standing 173 Insert the two screws supplied in the mounting kit and fully tighten with a suitable screwdriver.Figure 2 Rack Mo

18 INSTALLING THE SWITCHIf you are placing Switch units one on top of the other, you must use the self-adhesive rubber pads supplied. Apply the pads t

Using SFP Tranceivers 19If POST fails, try the following: Power off the Switch, and then power it on again. Check the Power LED and see if POST was s

3Com Corporation • 350 Campus Drive • Marlborough • MA USA 01752-3064Copyright © 2007, 3Com Corporation. All rights reserved. No part of this document

20 INSTALLING THE SWITCH 1000BASE-LX SFP transceiverUse this transceiver to connect the Switch directly to a single mode fiber-optic cable or to mult

Performing Spot Checks 21Performing Spot ChecksAt frequent intervals, you should visually check the Switch. Regular checks can give you an early warni

22 INSTALLING THE SWITCH

3CONNECTING TO THE WEB INTERFACEThe Switch has a built-in Web interface that you can use to set the admin password, change the IP address that is assi

24 CHAPTER 3: CONNECTING TO THE WEB INTERFACETo use Discovery to connect to the Web interface, do the following:1 On a computer that is connected to t

Logging On to the Web Interface 25Logging On to the Web InterfaceAfter the Web interface loads in your Web browser, the first page that appears is the

26 CHAPTER 3: CONNECTING TO THE WEB INTERFACEFigure 7 Switch Screen LayoutTable 2 lists the available items on the menu.Table 2 Available Menu It

Navigating the Web Interface 27System Time Allows you to set the system time.SNMP Contains tabs that allow you to: Set the SNMP Agent status. Add co

28 CHAPTER 3: CONNECTING TO THE WEB INTERFACEButtonsDepending on the screen that is currently displayed, the following buttons may appear: Apply – Cl

Accessing the Interface Without Using Discovery 29interface. If you know the Switch’s IP address, you can access the Web interface without using Disco

CONTENTSABOUT THIS GUIDEConventions 7Documentation Comments 8Product Registration 81 INTRODUCING THE BASELINE SWITCHOverview of the Baseline Switch 9F

30 CHAPTER 3: CONNECTING TO THE WEB INTERFACE

4CONFIGURING THE SWITCHThis chapter provides information on how to configure the Switch’s advanced features. Topics include: Device Summary Informati

32 CHAPTER 4: CONFIGURING THE SWITCHMAC Address, Software Version, Unit Uptime, Bootroom Version, and Hardware Version.Figure 8 Device ViewIf you re

Administration Settings 33Color Key Description of the color coding.Figure 10 Color KeyAdministration SettingsThe Administration menu includes eight

34 CHAPTER 4: CONFIGURING THE SWITCHTo detect its IP information using the automatic configu-ration process, the Switch goes through the following seq

Administration Settings 35Backup ConfigurationTo save the Switch configuration settings:1 Click Administration, then Backup Configuration on the menu.

36 CHAPTER 4: CONFIGURING THE SWITCH2 Once you have downloaded the firmware, use the Browse button to locate the file on your computer, and then click

Administration Settings 37System AccessClick Administration, then System Access on the menu. A screen appears with four system access tabs: User Summ

38 CHAPTER 4: CONFIGURING THE SWITCHCreate UserThis page allows you to create a user and define the access level and password for that user.Figure 16

Administration Settings 39Remove UserTo remove a user from the Switch, click on the user name, then click Remove.Figure 18 Remove User ScreenSystem

IP Setup 34Backup Configuration 35Restore Configuration 35Firmware Upgrade 35Initialize 36Reboot 36System Access 37System Time 39SNMP 39Configuring VL

40 CHAPTER 4: CONFIGURING THE SWITCHSetupEnable or disable the SNMP Agent Status for the Switch.If you do not want to use SNMP management in your netw

Configuring VLANs 41Figure 21 SNMP Add ScreenSNMP RemoveThis page allows you to remove community strings and SNMP destinations.Figure 22 SNMP Remo

42 CHAPTER 4: CONFIGURING THE SWITCHYou can use the Switch to create VLANs to organize any group of ports into separate broadcast domains. VLANs confi

Configuring VLANs 43CAUTION: At least one port must always be an untagged member of VLAN 1 (the management VLAN). If you choose to connect all ports t

44 CHAPTER 4: CONFIGURING THE SWITCH3 Select a membership use. Available options for each port include (only one option can be associated with a singl

Configuring VLANs 45RemoveUse the Remove screen to remove a VLAN.Figure 27 Remove Screen1 Enter a set of VLANs or select all VLANs to add to the rem

46 CHAPTER 4: CONFIGURING THE SWITCHVLAN DetailUse this screen to display detailed VLAN information.1 Enter a set of VLANs or select all VLANs to add

Configuring VLANs 47Setting Up Two VLANs on the Same SwitchFigure 30 illustrates how you can set up a simple VLAN on the Switch using desktop connecti

48 CHAPTER 4: CONFIGURING THE SWITCHFigure 31 Tagged VLAN ConfigurationTo set up the configuration shown in Figure 31, do the following:1 Create VLA

Configuring VLANs 49Bridge, generates bridge protocol data units (BPDUs) on all ports at a regular interval, known as the Hello Time. All other spanni

GLOSSARYREGULATORY NOTICESINDEX

50 CHAPTER 4: CONFIGURING THE SWITCHIGMP SnoopingThis switch uses IGMP (Internet Group Management Protocol) to query for any attached hosts that want

Configuring Port Settings 51Broadcast StormUse the Broadcast Storm page to set the Switch’s broadcast storm control and threshold limits.A broadcast s

52 CHAPTER 4: CONFIGURING THE SWITCHSummaryUse the Summary tab to display Port State, Flow Control, Speed, Default VLAN ID, Link Type, or Duplex for a

Configuring Port Settings 53SetupUse the Setup tab to configure the port settings. The following options are available: Port State – Enables and disa

54 CHAPTER 4: CONFIGURING THE SWITCHCAUTION: Before manually setting a port to full-duplex, verify that the device connected to the port is also manua

Configuring Port Settings 55Four tabs are available on the Port Link Aggregation page: Summary Create Modify RemoveSummaryUse the Summary tab to d

56 CHAPTER 4: CONFIGURING THE SWITCHModifyUse the Modify tab to reassign member ports of a link aggregation group.Figure 41 Link Aggregation Modify

Configuring Port Settings 57 Disabling redundant paths when the main paths are operational. Enabling redundant paths if the main paths fail.Spanning

58 CHAPTER 4: CONFIGURING THE SWITCHDetailUse the Detail tab to display detailed spanning tree information for a port.Figure 44 Spanning Tree Detail

Configuring Port Settings 59the pair is defined, and you enable traffic monitoring, the Switch takes all the traffic going in and out of the monitor p

60 CHAPTER 4: CONFIGURING THE SWITCHStatisticsThe Switch allows you to display detailed statistics of one, several, or all ports. Figure 48 Port Sta

QoS VoIP Traffic Settings 61SummaryUse the Summary tab to display the global settings for the Voice VLAN.Figure 49 QoS VoIP Summary ScreenSetupUse t

62 CHAPTER 4: CONFIGURING THE SWITCHPort SetupUse the Port Setup tab to configure the port or trunk setting for Voice VLAN. The following options are

QoS VoIP Traffic Settings 63Port DetailUse the Port Detail tab to display the Voice VLAN information for selected ports.Figure 52 QoS Port Detail Sc

64 CHAPTER 4: CONFIGURING THE SWITCHTo add to the OUI list:1 Enter a Telephony OUI and description.2 Click Add.To remove an OUI from the list:1 Select

Security 65DetailUse the Detail tab to display the RADIUS Client settings.Figure 55 RADIUS Client Detail ScreenConfigureUse the Configure tab to con

66 CHAPTER 4: CONFIGURING THE SWITCH802.1X SettingsThe IEEE 802.1X (dot1x) standard defines a port-based access control procedure that prevents unauth

Security 67DetailUse the Detail tab to display detailed 802.1X authentication information for a port.Figure 58 802.1X Detail ScreenSetupUse the Setu

68 CHAPTER 4: CONFIGURING THE SWITCHbefore attempting to acquire a new client. (Range: 1-65535 seconds; Default: 60 seconds) Transmit Period – Sets t

Monitoring 69SummaryUse the Summary tab to display information on Test Result, Cable Fault Distance, or Last Update for every port on the switch.Figur

ABOUT THIS GUIDEThis guide describes how to install your 3Com Switch and perform initial management configurations.This guide is intended for use by t

70 CHAPTER 4: CONFIGURING THE SWITCH

5TROUBLESHOOTINGThis chapter lists some issues that you may encounter while installing, using, and managing the Switch, with suggested courses of corr

72 CHAPTER 5: TROUBLESHOOTINGAfter resetting the Switch, log on to the Web interface using the default admin account settings: User name – admin Pas

If the Problem Persists 73The Link/Activity LED is on, but network performance is poor The Switch supports full-duplex autonegotiation. If the connect

74 CHAPTER 5: TROUBLESHOOTING

AOBTAINING SUPPORT FOR YOUR PRODUCTRegister Your ProductWarranty and other service benefits start from the date of purchase, so it is important to reg

76 APPENDIX A: OBTAINING SUPPORT FOR YOUR PRODUCTUpdates you must first register your product on the 3Com Web site at http://eSupport.3com.com/. First

Contact Us 77.Country Telephone NumberAsia, Pacific Rim Telephone Technical Support and RepairAustraliaHong KongIndiaIndonesiaJapanMalaysiaNew Zealand

78 APPENDIX A: OBTAINING SUPPORT FOR YOUR PRODUCTCountry Telephone NumberLatin America Telephone Technical Support and RepairAntigua BarbudaArgentina

BTECHNICAL INFORMATIONRelated StandardsThe Baseline Switch 2226 Plus has been designed to the following standards:EnvironmentalPhysicalElectricalFunct

8 ABOUT THIS GUIDEDocumentation CommentsYour suggestions are very important to us. They will help make our documentation more useful to you. Please e-

80 APPENDIX B: TECHNICAL INFORMATION

CSAFETY INFORMATIONImportant Safety InformationPlease refer to the safety information found in the 3Com Switch Family Safety and Regulatory Informatio

82 APPENDIX C: SAFETY INFORMATION

GLOSSARY10BASE-TThe IEEE specification for 10 Mbps Ethernet over Category 3, 4 or 5 twisted pair cable.100BASE-TXThe IEEE specification for 100 Mbps F

84 GLOSSARYCategory 3 CablesOne of five grades of Twisted Pair (TP) cabling defined by the EIA/TIA-568 standard. Category 3 is voice grade cable and c

85Full DuplexA system that allows packets to be transmitted and received at the same time and, in effect, doubles the potential throughput of a link.H

86 GLOSSARYswitches) that cover a relatively small geographic area (usually not larger than a floor or building). LANs are characterized by high trans

87ServerA computer in a network that is shared by multiple end stations. Servers provide end stations with access to shared network services such as c

88 GLOSSARYVLANA Virtual LAN is a collection of network nodes that share the same collision domain regardless of their physical location or connection

89REGULATORY NOTICESFCC StatementThis equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to Part 15

1INTRODUCING THE BASELINE SWITCHThis chapter provides an overview of the features and capabilities of the 3Com Baseline Switch 2226 Plus. It also iden

90

INDEXNumbers1000BASE-LX 831000BASE-SX 831000BASE-T 83100BASE-TX 8310BASE-T 83Aauto IP configuration 33default IP address 34default mask 34Bbandwidth 8

92 INDEXNnetwork analyzer 58, 60network defined 86Ppasswordchanging 37default (blank) 37setting 32port settingsconfiguring 51, 60, 64positioning the S