User Guide
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Baseline Switch 2250 Plus User Guide Installationsanleitung 3C16476CS http://www.3com.com/ Part No. 10015237 Rev. AA Published August 2006
Baseline Switch 2250 Plus User Guide Installationsanleitung 3C16476CS http://www.3com.com/ Part No. 10015237 Rev. AA Published August 2006
User Guide
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...of this documentation and the software described herein are registered in all products can be trademarks of safely. Unless otherwise indicated, 3Com registered trademarks are provided to recognized environmental standards. ENVIRONMENTAL STATEMENT It is a registered trademark of Sun Microsystems. All other company ...and product names may not be reproduced in other countries. 3Com and the 3Com logo are labelled according to you . Reducing the waste generated by any means or used to make any derivative work (...
...of this documentation and the software described herein are registered in all products can be trademarks of safely. Unless otherwise indicated, 3Com registered trademarks are provided to recognized environmental standards. ENVIRONMENTAL STATEMENT It is a registered trademark of Sun Microsystems. All other company ...and product names may not be reproduced in other countries. 3Com and the 3Com logo are labelled according to you . Reducing the waste generated by any means or used to make any derivative work (...
User Guide
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CONTENTS ABOUT THIS GUIDE Conventions 5 Related Documentation 6 Documentation Comments 6 1 INTRODUCING THE BASELINE SWITCH Overview of the Baseline Switch 2250 Plus 7 Features and Capabilities 7 Autosensing of MDI/MDIX Connections 7 Autonegotiating 10/100 Mbps Ports 7 SFP Ports 8 Traffic Prioritization 8 Forwarding of BPDU Packets 8 Physical Features 9 Front Panel 9 Rear Panel 12 Package Contents 12 2 INSTALLING THE SWITCH Before You Begin 13 Positioning the Switch 13 Aufstellen des Switch 14 Rack-Mounting or Free-Standing 14 Using the Mounting Kit 14 Montagesatz Anweisungen 15 Placing Units ...
CONTENTS ABOUT THIS GUIDE Conventions 5 Related Documentation 6 Documentation Comments 6 1 INTRODUCING THE BASELINE SWITCH Overview of the Baseline Switch 2250 Plus 7 Features and Capabilities 7 Autosensing of MDI/MDIX Connections 7 Autonegotiating 10/100 Mbps Ports 7 SFP Ports 8 Traffic Prioritization 8 Forwarding of BPDU Packets 8 Physical Features 9 Front Panel 9 Rear Panel 12 Package Contents 12 2 INSTALLING THE SWITCH Before You Begin 13 Positioning the Switch 13 Aufstellen des Switch 14 Rack-Mounting or Free-Standing 14 Using the Mounting Kit 14 Montagesatz Anweisungen 15 Placing Units ...
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Backup Configuration 30 Restore Configuration 30 Firmware Upgrade 31 Initialize 31 Reboot 32 System Access 32 System Time 34 SNMP 34 Configuring VLANs 35 VLAN 36 Forwarding Tagged/Untagged Frames 39 Sample VLAN Configurations 40 Spanning Tree 41 IGMP Snooping 42 IGMP Query 42 Broadcast Storm 43 Configuring Port Settings 43 Administration 43 Speed/Duplex for 1000 Mbps Connections 45 Link Aggregation 45 Spanning Tree per Port 47 Port Mirroring 49 QoS VoIP Traffic Settings 50 Security 53 RADIUS Client 53 802.1X Settings 54 Monitoring 56 Address Table 56 Cable Diagnostics 56 5 TROUBLESHOOTING ...
Backup Configuration 30 Restore Configuration 30 Firmware Upgrade 31 Initialize 31 Reboot 32 System Access 32 System Time 34 SNMP 34 Configuring VLANs 35 VLAN 36 Forwarding Tagged/Untagged Frames 39 Sample VLAN Configurations 40 Spanning Tree 41 IGMP Snooping 42 IGMP Query 42 Broadcast Storm 43 Configuring Port Settings 43 Administration 43 Speed/Duplex for 1000 Mbps Connections 45 Link Aggregation 45 Spanning Tree per Port 47 Port Mirroring 49 QoS VoIP Traffic Settings 50 Security 53 RADIUS Client 53 802.1X Settings 54 Monitoring 56 Address Table 56 Cable Diagnostics 56 5 TROUBLESHOOTING ...
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... device Warning Information that are used to: ■ Emphasize a point. ■ Denote a new term at the place where it appears on the 3Com World Wide Web site: http://www.3com.com Conventions Table 1 and Table 2 list conventions that alerts you must type something, and then press Return or Enter. Click OK. Diese...
... device Warning Information that are used to: ■ Emphasize a point. ■ Denote a new term at the place where it appears on the 3Com World Wide Web site: http://www.3com.com Conventions Table 1 and Table 2 list conventions that alerts you must type something, and then press Return or Enter. Click OK. Diese...
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...us : ■ Document title ■ Document part number (on the title page) ■ Page number (if appropriate) Example: ■ 3Com Baseline Switch 2250 Plus User Guide ■ Part number: 10015237 ■ Page 25 Please note that helps you . Provide information about... 3Com product documentation at : pddtechpubs_comments@3com.com Please include the following : ■ Online Help - Questions related to technical support or sales should be directed in the...
...us : ■ Document title ■ Document part number (on the title page) ■ Page number (if appropriate) Example: ■ 3Com Baseline Switch 2250 Plus User Guide ■ Part number: 10015237 ■ Page 25 Please note that helps you . Provide information about... 3Com product documentation at : pddtechpubs_comments@3com.com Please include the following : ■ Online Help - Questions related to technical support or sales should be directed in the...
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...therefore be operational at any given time. While there are four physical Gigabit ports, only a maximum of the Baseline Switch 2250 Plus The 3Com® Baseline Switch 2250 Plus is ideal for users who want to another switch port, server, or workstation without additional configuration. Any ... in full duplex mode. Autonegotiating 10/100 Mbps Ports Each 10/100 Mbps port automatically determines the speed and duplex mode of the 3Com® Baseline Switch 2250 Plus. The 1000BASE-T ports also support automatic 10/100/1000 Mbps speed detection. This allows you want the...
...therefore be operational at any given time. While there are four physical Gigabit ports, only a maximum of the Baseline Switch 2250 Plus The 3Com® Baseline Switch 2250 Plus is ideal for users who want to another switch port, server, or workstation without additional configuration. Any ... in full duplex mode. Autonegotiating 10/100 Mbps Ports Each 10/100 Mbps port automatically determines the speed and duplex mode of the 3Com® Baseline Switch 2250 Plus. The 1000BASE-T ports also support automatic 10/100/1000 Mbps speed detection. This allows you want the...
User Guide
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... other using SFP transceivers to another . It differentiates traffic into classes and prioritizes those classes automatically. This ensures that traffic. This offers you can configure 3Com Baseline Switch 2250 Plus to forward or to block and discard bridge protocol data unit (BPDU) packets to provide connectivity between the Switch and a 1000...
... other using SFP transceivers to another . It differentiates traffic into classes and prioritizes those classes automatically. This ensures that traffic. This offers you can configure 3Com Baseline Switch 2250 Plus to forward or to block and discard bridge protocol data unit (BPDU) packets to provide connectivity between the Switch and a 1000...
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Only connect RJ-45 data connectors, network telephony systems, or network telephones to these data sockets. AVERTISSEMENT: Points d'accès RJ-45. Il est possible de raccorder des câbles protégés ou non protégés avec des jacks protégés ou non protégés à ces prises de données. The numbers in "Front Panel" on page 9 and "Rear Panel" on page 41. Diese Porte sind geschützte Datensteckdosen. Entweder geschützte oder ungeschützte Buchsen dürfen an diese Datensteckdosen angeschlossen werden. They ...
Only connect RJ-45 data connectors, network telephony systems, or network telephones to these data sockets. AVERTISSEMENT: Points d'accès RJ-45. Il est possible de raccorder des câbles protégés ou non protégés avec des jacks protégés ou non protégés à ces prises de données. The numbers in "Front Panel" on page 9 and "Rear Panel" on page 41. Diese Porte sind geschützte Datensteckdosen. Entweder geschützte oder ungeschützte Buchsen dürfen an diese Datensteckdosen angeschlossen werden. They ...
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... capabilities of autonegotiation (and that you ensure that are capable of the connected device. In such a configuration, you may notice some degradation of network performance. 3Com recommends that you use straight-through or crossover cables for all network connections to workstations or servers, or to create a high-capacity aggregated link backbone...
... capabilities of autonegotiation (and that you ensure that are capable of the connected device. In such a configuration, you may notice some degradation of network performance. 3Com recommends that you use straight-through or crossover cables for all network connections to workstations or servers, or to create a high-capacity aggregated link backbone...
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Contact your 3Com network supplier for further advice. (4) Module Active LEDs The Module Active LEDs show the status of any SFP modules that the unit or the device ... do not identify the cause of the problem, it may be that the unit or the device connected to the port is faulty. Contact your 3Com network supplier for further advice. Status Flashing Yellow Off Meaning Packets are being received or transmitted on the port at 10 Mbps Link not established...
Contact your 3Com network supplier for further advice. (4) Module Active LEDs The Module Active LEDs show the status of any SFP modules that the unit or the device ... do not identify the cause of the problem, it may be that the unit or the device connected to the port is faulty. Contact your 3Com network supplier for further advice. Status Flashing Yellow Off Meaning Packets are being received or transmitted on the port at 10 Mbps Link not established...
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... power cord that the pads locate with the recesses of the Switch. Refer to "Resetting to factory defaults. If this User Guide and the 3Com Discovery application ■ One warranty flyer Before installing and using the Switch, verify that the power cord is connected correctly ■ If the ...unit still does not operate, contact your 3Com network supplier (6) Self-Adhesive Pads The unit is in progress Green Yellow Power-on the underside of the above items are damaged or missing,...
... power cord that the pads locate with the recesses of the Switch. Refer to "Resetting to factory defaults. If this User Guide and the 3Com Discovery application ■ One warranty flyer Before installing and using the Switch, verify that the power cord is connected correctly ■ If the ...unit still does not operate, contact your 3Com network supplier (6) Self-Adhesive Pads The unit is in progress Green Yellow Power-on the underside of the above items are damaged or missing,...
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... fields can be free-standing or mounted in a standard 19-inch equipment rack. Alternatively, the Switch can be connected easily. ■ Cabling is not restricted (3Com These include lift shafts, microwave ovens, and air conditioning units. It covers the following topics: ■ Positioning the Switch ■ Rack-Mounting or Free-Standing...
... fields can be free-standing or mounted in a standard 19-inch equipment rack. Alternatively, the Switch can be connected easily. ■ Cabling is not restricted (3Com These include lift shafts, microwave ovens, and air conditioning units. It covers the following topics: ■ Positioning the Switch ■ Rack-Mounting or Free-Standing...
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...das Gehäuse eindringen kann. ■ Die Luftzirkulation um den Switch und durch die Öffnungen des Gehäuses nicht behindert wird. 3Com empfiehlt das Sie 25mm (1 Inch) Zwischenraum sicherstellen. ■ Die Luft so frei wie möglich von Staub ist. ■ Es unwahrscheinlich ist... das die Betriebstemperatur überschritten wird. 3Com empfiehlt das Sie den Switch in der nähe von elektrischen Störquellen befinden. Using the Mounting Kit The Switch is 1U (1.75 in...
...das Gehäuse eindringen kann. ■ Die Luftzirkulation um den Switch und durch die Öffnungen des Gehäuses nicht behindert wird. 3Com empfiehlt das Sie 25mm (1 Inch) Zwischenraum sicherstellen. ■ Die Luft so frei wie möglich von Staub ist. ■ Es unwahrscheinlich ist... das die Betriebstemperatur überschritten wird. 3Com empfiehlt das Sie den Switch in der nähe von elektrischen Störquellen befinden. Using the Mounting Kit The Switch is 1U (1.75 in...
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... 8 Possible Power LED Colors After POST Color State Green The unit is connected to avoid damage from sags and surges to avoid unforeseen network outages. 3Com recommends that you must be grounded.
... 8 Possible Power LED Colors After POST Color State Green The unit is connected to avoid damage from sags and surges to avoid unforeseen network outages. 3Com recommends that you must be grounded.
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...fail when the Switch was successfully completed. ■ Reset the Switch. To visit the 3Com Knowledgebase Web site, start your Web browser, and then enter http://knowledgebase.3com.com ■ Contact your 3Com network supplier for 10 Mbps connections). Connecting a Network Device To connect a network device ... your settings. You will need to the appropriate RJ-45 port on self-test or loopback test failed. For 1000BASE-T operation, 3Com recommends using Category 5e or 6 cables. Connecting a Network Device 17 Color Yellow Off State Power-on the connecting device. The unit...
...fail when the Switch was successfully completed. ■ Reset the Switch. To visit the 3Com Knowledgebase Web site, start your Web browser, and then enter http://knowledgebase.3com.com ■ Contact your 3Com network supplier for 10 Mbps connections). Connecting a Network Device To connect a network device ... your settings. You will need to the appropriate RJ-45 port on self-test or loopback test failed. For 1000BASE-T operation, 3Com recommends using Category 5e or 6 cables. Connecting a Network Device 17 Color Yellow Off State Power-on the connecting device. The unit...
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...Inserting an SFP Transceiver To be one of approved SFP transceivers for the Switch on the 3Com Corporation World Wide Web site, enter this transceiver to connect the Switch directly to multimode fiber using 3Com SFPs on page 59. Use this transceiver to connect the Switch directly to a single-mode... the transceiver into the SFP slot until it . You can remove them into place. Use this URL into your Internet browser: http://www.3com.com 3Com recommends using a conditioned launch cable. If the SFP transceiver is faulty, it will not recognize it clicks into any SFP port without having ...
...Inserting an SFP Transceiver To be one of approved SFP transceivers for the Switch on the 3Com Corporation World Wide Web site, enter this transceiver to connect the Switch directly to multimode fiber using 3Com SFPs on page 59. Use this transceiver to connect the Switch directly to a single-mode... the transceiver into the SFP slot until it . You can remove them into place. Use this URL into your Internet browser: http://www.3com.com 3Com recommends using a conditioned launch cable. If the SFP transceiver is faulty, it will not recognize it clicks into any SFP port without having ...
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... to Check Item Verify That Cabling All external cabling connections are secure and that no cables are keyed and can be least effect on users. 3Com recommends periodically checking the items listed in Table 9. If the transceiver does not click when you experience any problems can give you should slide out...
... to Check Item Verify That Cabling All external cabling connections are secure and that no cables are keyed and can be least effect on users. 3Com recommends periodically checking the items listed in Table 9. If the transceiver does not click when you experience any problems can give you should slide out...
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... for detecting and connecting to the Web interface using the Discovery application. Discovery should start automatically, go to the \Discovery folder on 3Com Baseline Switch 2250 Plus CD-ROM that is supplied with your Switch ■ A computer that provides the user with options to configure...you do the following: 1 On a computer that is connected to the Switch and that has a Web browser Running the Discovery Application The 3Com Baseline Switch 2250 Plus CD-ROM contains, among others, the Discovery application. The application will launch a Web interface that is connected to ...
... for detecting and connecting to the Web interface using the Discovery application. Discovery should start automatically, go to the \Discovery folder on 3Com Baseline Switch 2250 Plus CD-ROM that is supplied with your Switch ■ A computer that provides the user with options to configure...you do the following: 1 On a computer that is connected to the Switch and that has a Web browser Running the Discovery Application The 3Com Baseline Switch 2250 Plus CD-ROM contains, among others, the Discovery application. The application will launch a Web interface that is connected to ...