3Com 3CBLUG16A - Baseline Switch 2816 Скачать руководство пользователя страница 27 | Manualshive

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4

C

ONFIGURING

THE

S

WITCH

This chapter provides information on how to configure
the Switch’s features. Topics include:

■

Configuration Overview

■

Viewing Switch Information

■

Changing the Admin Password

■

Modifying the IP Address Settings

■

Configuring Port Settings

■

Configuring VLANs

■

Configuring Link Aggregation

■

Viewing Statistics

■

Mirroring Port Traffic

■

Running Cable Diagnostic

■

Using the System Tools

■

Viewing Support Information

Configuration Overview

The Switch is shipped ready for use. If you only want
the Switch to function as a basic layer 2 switch, you do
not need to access the Web interface and configure the
Switch.

You only need to access the Web interface if you want
to:

■

Set the administration password to the Web
interface

■

Assign an IP address to the Switch

■

Configure the Switch’s advanced features

■

Upgrade the firmware

Viewing Switch Information

The Summary page, which automatically loads after you
log on to the Web interface, provides a snapshot of the
Switch’s basic settings and versions of current
components.

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Содержание 3CBLUG16A - Baseline Switch 2816

Страница 1: ...www 3com com Part No DUA1648 5AAA03 Published August 2005 Baseline Switch 2816 SFP 2824 SFP Plus User Guide 3C Number 3C16485A 3C16487 ...

Страница 2: ...1995 or FAR 52 227 14 June 1987 whichever is applicable You agree not to remove or deface any portion of any legend provided on any licensed program or documentation contained in or delivered to you in conjunction with this User Guide Unless otherwise indicated 3Com registered trademarks are registered in the United States and may or may not be registered in other countries 3Com and the 3Com logo ...

Страница 3: ...satz Anweisungen 15 Placing Units On Top of Each Other 15 Supplying Power to the Switch 16 Checking for Correct Operation 16 Connecting a Network Device 17 Using SFP Transceivers 18 Approved SFP Transceivers 18 Inserting an SFP Transceiver 18 Removing an SFP Transceiver 19 Performing Spot Checks 19 3 CONNECTING TO THE WEB INTERFACE Requirements for Accessing the Web Interface 21 Running the Discov...

Страница 4: ...sing the System Tools 42 Restart 42 Configuration 43 Resetting to Factory Defaults 43 Backing Up and Restoring Configuration 44 Upgrade 44 Spanning Tree 45 802 1p Prioritization 46 Viewing Support Information 47 5 TROUBLESHOOTING Forgotten Password 49 Forgotten Static IP Address 49 Solving LED Issues 49 If the Problem Persists 52 A OBTAINING SUPPORT FOR YOUR PRODUCT Register Your Product 53 Purcha...

Страница 5: ...nd Category 5 Twisted Pair Cables are referred to as Twisted Pair Cables throughout this guide Conventions Table 1 and Table 2 list conventions that are used throughout this guide Table 1 Notice Icons Icon Notice Type Description Information note Information that describes important features or instructions Caution Information that alerts you to poten tial loss of data or potential damage to an ap...

Страница 6: ...ple 3Com Baseline Switch 2816 SFP 2824 SFP Plus User Guide Part Number DUA1648 5AAA03 Page 24 Do not use this e mail address for technical support questions For information about contacting Technical Support please refer to Viewing Support Information on page 47 The Switch is part of the extensive Baseline range of 3Com products This range includes hubs switches power systems and other networking ...

Страница 7: ...l for easy flexible connection to fiber based Gigabit media Autosensing of MDI MDIX Connections All ports on the Switch can autosense both medium dependent interface MDI and medium dependent interface crossover MDIX connections This allows you to connect network devices to each port using either a normal straight through TP twisted pair cable or a crossover TP cable Any port can therefore be used ...

Страница 8: ...ks can be connected to these data sockets AVERTISSEMENT Points d accès RJ 45 Ceux ci sont protégés par des prises de données Ils ne peuvent pas être utilisés comme prises de téléphone conventionnelles standard ni pour la connection de l unité à un réseau téléphonique central privé ou public Raccorder seulement connecteurs de données RJ 45 systèmes de réseaux de téléphonie ou téléphones de réseaux ...

Страница 9: ... Pluggable SFP ports are numbered 13 to 16 If an SFP transceiver purchased separately is installed in a slot and is active the associated RJ 45 port of the same number is disabled The four SFP ports support fiber Gigabit Ethernet short wave SX and long wave LX SFP transceivers in any combination This offers you the flexibility of using SFP transceivers to provide connectivity between the Switch an...

Страница 10: ...smit TX cable connectors are not swapped If these checks do not identify the cause of the problem it may be that the unit or the device con nected to the port is faulty Contact your supplier for further advice Table 2 Module Active LEDs Status Meaning Green Fiber SFP is inserted in the slot Off No fiber SFP is inserted in the slot Table 1 10BASE T 100BASE TX Ports Table 3 Duplex LEDs Status Meanin...

Страница 11: ...tton The recovery button reinitializes the Switch This returns the Switch to the factory default settings if for example you have forgotten the default IP address or forgotten your user name or password CAUTION 3Com recommends that you back up your configuration settings before you recover the Switch otherwise your configuration will be lost Refer to Configuration on page 43 for details Package Co...

Страница 12: ...12 CHAPTER 1 INTRODUCING THE BASELINE SWITCH ...

Страница 13: ...ice B Appendix C de ce guide WARNHINWEIS Sicherheitsinformationen Bevor Sie Komponenten aus dem Switch entfernen oder dem Switch hinzufuegen oder Instandhaltungsarbeiten verrichten lesen Sie die Sicherheitsanweisungen die in Anhang B Appendix C in diesem Handbuch aufgefuehrt sind ADVERTENCIA Información de Seguridad Antes de instalar o extraer cualquier componente del product o de realizar tareas ...

Страница 14: ...nnected to a ground point If one is not available try to keep in contact with a grounded rack and avoid touching the unit s ports and connectors if possible Static discharge can cause reliability problems in your equipment Rack Mounting or Free Standing The unit can be mounted in a 19 inch equipment rack using the mounting kit or it can be free standing Do not place objects on top of the unit or s...

Страница 15: ...e der Baugruppe falls diese bereits angebracht sind 1 Plazieren Sie die Baugruppe aufrecht auf einer harten ebenen Fläche mit der Vorderseite zu Ihnen 2 Ordnen Sie eine der Halterungen über den Löchern an der Seite der Baugruppe an 3 Stecken Sie zwei der mitgelieferten Schrauben in die Löcher und drehen Sie diese mit einem geeigneten Schraubendreher fest 4 Widerholen Sie letzten beiden Schritte au...

Страница 16: ...re securely connected CAUTION The Switch has no ON OFF switch The only way to power on and power off the Switch is by connecting and disconnecting the power cord This is called power cycling To power on the Switch 1 Plug the power cord into the power socket on the rear panel of the Switch Refer to 8 Power Supply on page 11 for more information 2 Plug the other end of the power cord into a power ou...

Страница 17: ...nnections For optimal connections ensure that the cable length for each connection is not longer than 100 m 328 ft Figure 3 Connecting Devices to the Switch To connect a device to the Switch 1 Connect one end of the cable to an RJ 45 port on the Switch Yellow Power on self test or loopback test failed The Switch is in fail safe mode This can happen if a ports or ports fail when the Switch was powe...

Страница 18: ... site enter this URL into your Internet browser www 3com com 3Com recommends using 3Com SFPs on the Switch If you insert an SFP transceiver that is not supported the Switch will not recognize it Inserting an SFP Transceiver To be recognized as valid the SFP transceiver must be one of the following 1000BASE SX SFP transceiver Use this transceiver to connect the Switch directly to a multimedia fiber...

Страница 19: ...nection 7 Check the Module Active LEDs on the front of the Switch to ensure that it is operating correctly Removing an SFP Transceiver Removing an SFP transceiver does not require powering off the Switch To remove an SFP transceiver 1 Disconnect the cable from the transceiver 2 Move the wire release lever downwards until it is pointing toward you 3 Pull the wire release lever toward you to release...

Страница 20: ...h refer to Troubleshooting on page 49 Item Verify That Cabling All external cabling connections are secure and that no cables are pulled taut Cooling Fan Where possible check that the cooling fan is operating by listening to the unit The fan is fit ted on the right side of the unit when viewed from the front ...

Страница 21: ...ogging On to the Web Interface Navigating Around the Web Interface Accessing the Interface Without Using Discovery Requirements for Accessing the Web Interface To connect to the Web interface you need the following The Discovery application which is included on 3Com Baseline Switch 2816 SFP 2824 SFP Plus CD ROM that is supplied with your Switch A computer that is connected to the Switch and that h...

Страница 22: ... complete the Discovered Devices screen displays detected network devices Figure 6 Discovered Devices Screen 3 On the Discovered Devices screen click Baseline Switch 2816 SFP 2824 SFP Plus and then click Next The Completing the 3Com Discovery Application screen appears 4 Click Finish The Web interface loads in your Web browser Logging On to the Web Interface After the Web interface loads in your W...

Страница 23: ...ting Around the Web Interface The Web interface has been designed to enable you to easily perform advanced configuration tasks and view information about the Switch Menu The menu is located on the left side of the Web interface When you click an item on the menu the related information appears in the main section of the interface Figure 8 Web Interface Layout Table 7 lists the available items on t...

Страница 24: ...t compo nents Password Allows you to change the administrator password IP Settings Allows you to configure the IP address settings of the Switch Port Configuration Allows you to configure the Switch s port settings VLANs Allows you to create VLAN groups add port members and specify how VLAN tagging is used Link Aggregation Allows you to set up and maintain trunk membership for port groups Port Mir...

Страница 25: ... Automatic IP Configuration on page 29 To determine the IP address that the Switch will assign to itself during auto IP configuration check the sticker on the base of the Switch This sticker contains the MAC address and default IP address of the Switch 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 us...

Страница 26: ...26 CHAPTER 3 CONNECTING TO THE WEB INTERFACE ...

Страница 27: ... Information Configuration Overview The Switch is shipped ready for use If you only want the Switch to function as a basic layer 2 switch you do not need to access the Web interface and configure the Switch You only need to access the Web interface if you want to Set the administration password to the Web interface Assign an IP address to the Switch Configure the Switch s advanced features Upgrade...

Страница 28: ...er of ports and the version of the hardware board on the Switch Management Software Information Shows the versions of the loader firmware boot ROM and code If you request for technical assistance from 3Com Support you may be asked to print out the information on this page Changing the Admin Password To prevent unauthorized users from accessing the Web interface and modifying the Switch s settings ...

Страница 29: ...u forget the administration password after you set it refer to Forgotten Password on page 48 for information on how to regain access to the Web interface Modifying the IP Address Settings To enable devices on the network to communicate with the Switch you need to assign an IP address to it either by DHCP or by manually assigning a static IP address By default the Switch performs automatic IP confi...

Страница 30: ...he subnet mask 255 255 0 0 default class B mask to itself 2 If this default IP address is already in use on the network then the Switch detects this and increments the last byte of the MAC address by one to generate its IP address The IP address would therefore become 169 254 1 3 3 The Switch repeats step 2 until an unused IP address is found 3Com recommends using automatic IP configuration only f...

Страница 31: ... access that Web interface from a com puter that belongs to VLAN 1 IP Address Mode Specify how the Switch will get its IP address Available options include DHCP Select this option if you have a DHCP server on the net work and you want the Switch to automatically obtain an IP address from it Static Select this option if you want to manually assign an IP address to the Switch IP Address Specify an I...

Страница 32: ...ch is enabled by default sets the optimum combination of speed and duplex that can be supported by both ends of the link Priority Set the priority for the traffic that passes through this port Available options include Standard default High Intermediate and Low If you modify any of these basic port settings click Apply to save your changes Figure 12 Basic Port Configuration Page Speed Duplex for 1...

Страница 33: ...packet sent out on a network that causes most hosts to respond all at once typically with wrong answers that start the process over again Broadcast storms use substantial network bandwidth and may cause network time outs Advanced settings include Broadcast Storm Control Enables and disables broadcast storm control Packet Rate Threshold Sets the broadcast storm threshold Available options include 5...

Страница 34: ... are all connected to a router or layer 3 switch Creating a VLAN Use the VLANs page to create VLANs on the Switch To propagate information about VLAN groups used on this Switch to external devices you must specify a VLAN ID for each VLAN Figure 14 VLANs Page Ports belonging to a VLAN must be set to either U uplink or D desktop Desktop VLAN ports can only be members of one VLAN at any time Setting ...

Страница 35: ...nge states click the icon under the port number repeatedly to cycle through the different states Available states include N Not a member U Uplink egress packets D Desktop egress packets 5 Click Apply to create the VLAN For examples on setting up VLANs refer to Sample VLAN Configurations on page 35 Sample VLAN Configurations To illustrate how you can segment network devices that are connected to th...

Страница 36: ...ktop egress packet 3 Click Apply Ports 7 8 and 16 now belong to VLAN2 and will not be able communicate with any other ports unless you add another port to the VLAN or change the port configuration Setting Up VLAN Across Two Switches This example explains how you can set up a VLAN across two Switches using uplink connections This enables ports that are members of the same VLAN but are on different ...

Страница 37: ... port 16 to the uplink port on Switch 2 in this example port 8 Those ports on Switch 1 that are members of VLAN2 can now communicate with those ports on Switch 2 that are members of VLAN2 Removing a VLAN To remove an existing VLAN 1 In the VLAN ID list select the VLAN ID that you want to delete 2 Click Remove The VLANs page refreshes and the VLAN ID that you deleted disappears from the VLAN ID lis...

Страница 38: ... aggregated link at any given time All ports in an aggregated link must be configured in an identical manner including communication mode that is speed duplex mode and flow control Defining the Members of an Aggregated Link Use the Membership Setup tab of the Link Aggregation page to specify the members of a trunk To define the members of a trunk 1 On the Membership Setup tab select the same trunk...

Страница 39: ...Allows you to label an interface up to characters Flow Control Allows automatic or manual selection of flow control Speed Duplex Allows auto negotiation to be enabled or disabled When autonegotiation is disabled you can force the settings for speed duplex mode and flow control 2 Click Apply To delete a trunk click the corresponding Delete check box and then click Apply Figure 19 Modify Delete Tab ...

Страница 40: ... for all ports as shown in Figure 21 Figure 21 Statistics Page Figures that appear onscreen indicate the number of packets transmitted Tx and received Rx To reset all packet counts to zero click Clear Counters To view detailed statistics for each port click the port number The statistics page for the port appears as shown in Figure 22 ...

Страница 41: ...is connected to the analyzer and a monitor port the port that is to be monitored Once the pair is defined and you enable traffic monitoring the Switch takes all the traffic going in and out of the monitor port and copies it to the analyzer port CAUTION The analyzer port should have a higher bandwidth than the monitor port Otherwise the Switch may not be able to copy all traffic effectively during ...

Страница 42: ...ir Swap Pair Polarity Pair Skew To run any of these tests on a port 1 In Port to Diagnose select a port number 2 In Type of Diagnosis select the cable test that you want to run 3 Click Apply Figure 24 Cable Diagnostic Page Using the System Tools The System Tools menu includes five administration items Restart Configuration Upgrade Spanning Tree and 802 1p Prioritization Restart Pressing the Restar...

Страница 43: ...o back up or restore configuration settings Figure 26 Configuration Tab Resetting to Factory Defaults If the Switch does not operate normally or if the firmware becomes corrupted you can reset the Switch to its factory defaults CAUTION Resetting the Switch to its factory defaults erases all your settings You will need to reconfigure the Switch after you reset it To reset the Switch to factory defa...

Страница 44: ...ch any new releases of system software that 3Com may make available The newer version of software can be downloaded via HTTP and once copied to the Switch the Switch will restart and apply the newer system software version Figure 27 Upgrade Tab Once you have downloaded the software use the Browse button to locate the file on your computer and then click on Apply You may need to change the file typ...

Страница 45: ... the main paths are operational Enabling redundant paths if the main paths fail Spanning tree uses a distributed algorithm to select a bridging device that serves as the root of the spanning tree network The bridging device known as the Root Bridge generates BPDUs Bridge Protocol Data Units on all ports at a regular interval known as the Hello Time All other spanning tree compliant devices on the ...

Страница 46: ...nd determine whether the packet should be directed through the normal or high priority channel This feature can be useful for example during excessive loads when one type of traffic may require priority over another The Switch is configured to comply with 802 1p VLAN tagged frames Traffic prioritization ensures that high priority data is forwarded through the Switch without being delayed by lower ...

Страница 47: ... services is enabled the priorities are mapped to a Class of Service value by the Switch and the traffic then sent to the corresponding output queue Figure 29 802 11p Prioritization Viewing Support Information Selecting Support on the menu displays the support links page which contains a list of Internet links that provide information and support concerning the Switch 2 Standard spare 3 Excellent ...

Страница 48: ...48 CHAPTER 4 CONFIGURING THE SWITCH Figure 30 Support Page ...

Страница 49: ...he Switch log on to the Web interface using the default admin account settings User name admin Password blank no password Forgotten Static IP Address If you forget the static IP address that you assigned to the Switch and you need to access the Web interface use the Discovery application to automatically detect the IP address and connect to the interface For information on using the Discovery appl...

Страница 50: ...mance of the Switch is poor The Switch supports full duplex auto negotiation If the connected device does not support auto negotiation ensure it is configured for half duplex operation only If the connected device has auto negotiation disabled or over ridden and is configured as full duplex the Switch will configure the link as half duplex causing a mis match that will reduce network performance w...

Страница 51: ...tch on the network Otherwise you can restore the default settings using the recovery button on the rear panel of the Switch For details on how to use Discovery to detect the Switch on the network refer to Running the Discovery Application on page 21 You must recover the Switch using the recovery button on the rear panel of the Switch CAUTION Before recovering the Switch save the Switch s current c...

Страница 52: ...1 Refer to Configuration on page 43 for details If the Problem Persists If the problem persists and the unit still does not operate successfully contact your supplier with the following information before returning the unit Product number and serial number printed on a label supplied with the unit A brief description of the fault ...

Страница 53: ...ue added services like 3Com ExpressSM and GuardianSM can include 24x7 telephone technical support software upgrades onsite assistance or advance hardware replacement Experienced engineers are available to manage your installation with minimal disruption to your network Expert assessment and implementation services are offered to fill resource gaps and ensure the success of your networking projects...

Страница 54: ...contact 3Com for assistance please have the following information ready Product model name part number and serial number Proof of purchase if you have not pre registered your product A list of system hardware and software including revision level Diagnostic error messages Details about recent configuration changes if applicable To send a product directly to 3Com for repair you must first obtain a ...

Страница 55: ... 6348 Europe Middle East and Africa Telephone Technical Sup port and Repair From anywhere in these regions call 44 0 1442 435529 From the following countries you may use the numbers shown Austria Belgium Denmark Finland France Germany Hungary Ireland Israel Italy Luxembourg Netherlands Norway Poland Portugal South Africa Spain Sweden Switzerland U K 01 7956 7124 070 700 770 7010 7289 01080 2783 08...

Страница 56: ...T 800 998 2112 1 800 998 2112 AT T 800 998 2112 AT T 800 998 2112 AT T 800 998 2112 57 1 657 0888 AT T 800 998 2112 1 800 998 2112 571 657 0888 01 800 849CARE AT T 800 998 2112 AT T 800 998 2112 54 11 4894 1888 AT T 800 998 2112 1 800 998 2112 AT T 800 998 2112 1 800 998 2112 AT T 800 998 2112 AT T 800 998 2112 57 1 657 0888 Country Telephone Number You can also obtain support in this region using...

Страница 57: ...N 55022 Class A FCC Part 15 Subpart B Class A ICES 003 Class A VCCI Class A AS NZS 3548 Class A CNS 13438 Class A Immunity EN 55024 Operating Temperature 0 40 C 32 113 F Humidity 10 95 non condensing Standard EN 60068 IEC 68 various parts Width 440 mm 17 3 in Depth 173 mm 6 8 in Height 43 6 mm 1 7 in or 1U Weight 3C16485A 1 83 kg 4 03 lb 3C16487 1 89 4 17 lb Mounting Free standing or 19 in rack mo...

Страница 58: ...58 APPENDIX B TECHNICAL INFORMATION ...

Страница 59: ...ection The appliance coupler the connector to the unit and not the wall plug must have a configuration for mating with an EN60320 IEC320 appliance inlet The socket outlet must be near to the unit and easily accessible You can only remove power from the unit by disconnecting the power cord from the outlet This unit operates under SELV Safety Extra Low Voltage conditions according to IEC 60 The cond...

Страница 60: ...doit se trouver à proximité de l appareil et son accès doit être facile Vous ne pouvez mettre l appareil hors circuit qu en débranchant son cordon électrique au niveau de cette prise L appareil fonctionne à une tension extrêmement basse de sécurité qui est conforme à la norme IEC60950 Ces conditions ne sont maintenues que si l équipement auquel il est raccordé fonctionne dans les mêmes conditions ...

Страница 61: ...er Gerätestecker der Anschluß an das Gerät nicht der Wandsteckdosenstecker muß einen gemäß EN 60320 IEC 320 konfigurierten Geräteeingang haben Die Netzsteckdose muß in der Nähe des Geräts und leicht zugänglich sein Die Stromversorgung des Geräts kann nur durch Herausziehen des Gerätenetzkabels aus der Netzsteckdose unterbrochen werden Der Betrieb dieses Geräts erfolgt unter den SELV Bedingungen Si...

Страница 62: ...mkabel Dies muss von dem Land in dem es benutzt wird geprüft werden Schweiz Dieser Stromstecker muß die SEV ASE 1011Bestimmungen einhalten Europe Das Netzkabel muß vom Typ HO3VVF3GO 75 Mindestanforderung sein und die Aufschrift HAR oder BASEC tragen Der Netzstecker muß die Norm CEE 7 7 erfüllen SCHUKO ...

Страница 63: ... devices sharing a link automatically configure to use the best common speed The order of preference best first is 1000BASE T full duplex 100BASE TX full duplex 100BASE TX half duplex 10BASE T full duplex and 10BASE T half duplex Auto negotiation is defined in the IEEE 802 3 standard for Ethernet and is an operation that takes place in a few milliseconds Auto negotiation must be enabled for the 10...

Страница 64: ... and Gigabit Ethernet 1000BASE T networks and can transmit data at speeds of up to 1000 Mbps Category 6 Cables One of five grades of Twisted Pair TP cabling defined by the EIA TIA 568 B standard Category 6 can be used in Ethernet 10BASE T Fast Ethernet 100BASE TX and Gigabit Ethernet 1000BASE T networks and can transmit data at speeds of up to 1000 Mbps Client The term used to describe the desktop...

Страница 65: ...ration of MAC bridges including the Spanning Tree Protocol IEEE 802 1Q VLAN Tagging Defines Ethernet frame tags which carry VLAN information It allows switches to assign endstations to different virtual LANs and defines a standard way for VLANs to communicate across switched networks IEEE 802 1p An IEEE standard for providing quality of service QoS in Ethernet networks The standard uses packet tag...

Страница 66: ...rganizations LAN Local Area Network A network of end stations such as PCs printers servers and network devices hubs and switches that cover a relatively small geographic area usually not larger than a floor or building LANs are characterized by high transmission speeds over short distances up to 1000 metres Layer 2 Data Link layer in the ISO 7 Layer Data Communications Protocol This is related dir...

Страница 67: ...network services such as computer files and printer queues SFP Small From Factor Pluggable SFP Connectors are based on an open standard that enables hot swapping of various type of fiber optic and copper based transceivers into the host equipment Subnet Address An extension of the IP addressing scheme that allows a site to use a single IP network address for multiple physical networks Subnet Mask ...

Страница 68: ...e address of the end station to which data is being sent as well as the address of the destination network Traffic Monitoring Enables the monitoring of port traffic by attaching a network analyzer to one switch port in order to monitor the traffic of other ports on the Switch Trunking A method which specifies how to create a single high speed logical link that combines several lower speed physical...

Страница 69: ...e receiving antenna Relocate the equipment with respect to the receiver Move the equipment away from the receiver Plug the equipment into a different outlet so that equipment and receiver are on different branch circuits If necessary the user should consult the dealer or an experienced radio television technician for additional suggestions The user may find the following booklet prepared by the Fe...

Страница 70: ...70 CHAPTER REGULATORY NOTICES ...

Страница 71: ...statement 69 D DHCP 64 diagram front panel 8 Discovery 21 DSCP 47 dynamic host control protocol 64 E Ethernet 64 F Fast Ethernet 65 FCC statement 69 Feedback about this User Guide 6 firmware upgrading 44 forgotten default IP address 51 password 51 user name 51 forgotten IP address 49 forgotten password 49 front panel diagram 8 full duplex 65 G Gigabit Ethernet 65 Glossary 63 H half duplex 65 I IEE...

Страница 72: ...orted 18 inserting 18 removing 19 spot checks 19 subnet mask 67 support 47 Switch positioning 13 restarting 42 switch defined 67 system tools 42 T TCP IP 66 defined 68 technical specifications 57 traffic 68 traffic prioritization 46 troubleshooting LED related issues 49 POST failed 17 U upgrading firmware 44 user name default 28 V VCCI statement 69 viewing individual port statistics 40 statistics ...

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