User Guide
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...Frames 49 Sample VLAN Configurations 49 Spanning Tree 51 IGMP Snooping & Query 54 Broadcast Storm 55 QoS VoIP Traffic Settings 56 PoE (3CBLSF26-PWR only) 59 Configuring Port Settings 60 Administration 60 Link Aggregation 63 Statistics 66 Security 66 RADIUS Client 66 802.1X Settings 67 Monitoring 69...72 5 TROUBLESHOOTING Resetting to Factory Defaults 75 Forgotten Static IP Address 76 Solving LED Issues 76 If the Problem Persists 77 A OBTAINING SUPPORT FOR YOUR PRODUCT Register Your Product 79 Purchase Value-Added Services 79 Troubleshoot Online 79 Access Software Downloads 79 Telephone Technical...
...Frames 49 Sample VLAN Configurations 49 Spanning Tree 51 IGMP Snooping & Query 54 Broadcast Storm 55 QoS VoIP Traffic Settings 56 PoE (3CBLSF26-PWR only) 59 Configuring Port Settings 60 Administration 60 Link Aggregation 63 Statistics 66 Security 66 RADIUS Client 66 802.1X Settings 67 Monitoring 69...72 5 TROUBLESHOOTING Resetting to Factory Defaults 75 Forgotten Static IP Address 76 Solving LED Issues 76 If the Problem Persists 77 A OBTAINING SUPPORT FOR YOUR PRODUCT Register Your Product 79 Purchase Value-Added Services 79 Troubleshoot Online 79 Access Software Downloads 79 Telephone Technical...
User Guide
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... (if appropriate) Example: ■ Baseline Switch 2426-PWR Plus User Guide ■ Part number: 10016622 ■ Page 25 Please note that we can only respond to you. Documentation Comments Your suggestions are used to your product: http://esupport.3Com.com Please e-mail comments about this e-mail address. Questions related to technical support or sales should be directed...
... (if appropriate) Example: ■ Baseline Switch 2426-PWR Plus User Guide ■ Part number: 10016622 ■ Page 25 Please note that we can only respond to you. Documentation Comments Your suggestions are used to your product: http://esupport.3Com.com Please e-mail comments about this e-mail address. Questions related to technical support or sales should be directed...
User Guide
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...as IP phones and wireless access points, which translates into greater network availability. The Switch also supports a pre-standard implementation of using SFP transceivers to provide connectivity between the PD and the Switch 2426-PWR), subject to 29.6 W per port (measured at the PD, assuming 100 m... 1000BASE-T port is disabled. 10 INTRODUCING THE BASELINE SWITCH 10/100 Mbps ports can only operate in full duplex mode. Power-over-Ethernet Capability The Switch 2426-PWR Plus (3CBLSF26PWR) provides 24 front panel RJ-45 ports that support the IEEE 802.3af Power-over the Ethernet cable...
...as IP phones and wireless access points, which translates into greater network availability. The Switch also supports a pre-standard implementation of using SFP transceivers to provide connectivity between the PD and the Switch 2426-PWR), subject to 29.6 W per port (measured at the PD, assuming 100 m... 1000BASE-T port is disabled. 10 INTRODUCING THE BASELINE SWITCH 10/100 Mbps ports can only operate in full duplex mode. Power-over-Ethernet Capability The Switch 2426-PWR Plus (3CBLSF26PWR) provides 24 front panel RJ-45 ports that support the IEEE 802.3af Power-over the Ethernet cable...
User Guide
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... normale traditionelle Telefonsteckdosen noch für die Verbindung der Einheit mit einem traditionellem privatem oder öffentlichem Telefonnetzwerk gebraucht werden. Each port supports automatic MDI/MDI-X detection and can be connected to either a 10BASE-T, or 100BASE-TX device. Each port can be connected to... l'unité à un réseau Physical Features 11 téléphonique central privé ou public. The 3CBLSF26PWR Switch also supports IEEE 802.3af-2003 standard (802.3af) and pre-standard P802.3at DTE Power via MDI Enhancements (PoE+). Diese Porte sind ...
... normale traditionelle Telefonsteckdosen noch für die Verbindung der Einheit mit einem traditionellem privatem oder öffentlichem Telefonnetzwerk gebraucht werden. Each port supports automatic MDI/MDI-X detection and can be connected to either a 10BASE-T, or 100BASE-TX device. Each port can be connected to... l'unité à un réseau Physical Features 11 téléphonique central privé ou public. The 3CBLSF26PWR Switch also supports IEEE 802.3af-2003 standard (802.3af) and pre-standard P802.3at DTE Power via MDI Enhancements (PoE+). Diese Porte sind ...
User Guide
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...the Web interface. To connect to the Console Port, you the flexibility of using SFP transceivers to provide connectivity between the PD and the Switch 2426-PWR, subject to power being available from the overall power budget. (2) Gigabit Combo Ports (RJ-45/SFP) The Gigabit combo ports (RJ-... remote 1000 Mbps workgroups or to create a high-capacity aggregated link backbone connection. The SFP port supports full duplex mode only. 12 INTRODUCING THE BASELINE SWITCH network devices, such as follows: ■ Com port: Choose based on the computer serial port to which the console cable is...
...the Web interface. To connect to the Console Port, you the flexibility of using SFP transceivers to provide connectivity between the PD and the Switch 2426-PWR, subject to power being available from the overall power budget. (2) Gigabit Combo Ports (RJ-45/SFP) The Gigabit combo ports (RJ-... remote 1000 Mbps workgroups or to create a high-capacity aggregated link backbone connection. The SFP port supports full duplex mode only. 12 INTRODUCING THE BASELINE SWITCH network devices, such as follows: ■ Com port: Choose based on the computer serial port to which the console cable is...
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... multimode fiber using 3Com SFPs in the Switch. Inserting an SFP Transceiver To be recognized as shown in the upright position). Ensure the wire release lever is not supported, the Switch will not recognize it will not operate within the Switch. 22 INSTALLING THE SWITCH Using SFP Tranceivers ...1000BASE-LX SFP transceiver Use this URL into your Internet browser: http://www.3Com.com 3Com recommends using a conditioned launch cable. Approved SFP Transceivers The following list of approved SFP transceivers for the Switch on page 75. To activate the SFP port: 1 Hold the transceiver so...
... multimode fiber using 3Com SFPs in the Switch. Inserting an SFP Transceiver To be recognized as shown in the upright position). Ensure the wire release lever is not supported, the Switch will not recognize it will not operate within the Switch. 22 INSTALLING THE SWITCH Using SFP Tranceivers ...1000BASE-LX SFP transceiver Use this URL into your Internet browser: http://www.3Com.com 3Com recommends using a conditioned launch cable. Approved SFP Transceivers The following list of approved SFP transceivers for the Switch on page 75. To activate the SFP port: 1 Hold the transceiver so...
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... following: ■ The console cable that was supplied with your Switch. ■ The 3Com Switch Detect application, that is included on the CD-ROM that was supplied with your Switch. ■ A computer that is connected to the Web interface using the 3Com Switch Detect Application The Switch support the following browsers: ■ Microsoft Internet Explorer (V6.0 and subsequent...
... following: ■ The console cable that was supplied with your Switch. ■ The 3Com Switch Detect application, that is included on the CD-ROM that was supplied with your Switch. ■ A computer that is connected to the Web interface using the 3Com Switch Detect Application The Switch support the following browsers: ■ Microsoft Internet Explorer (V6.0 and subsequent...
User Guide
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... polling interval. Polling Interval Enter the interval in seconds you may be asked to identify the Switch. Enter a 0 to 180 seconds for technical assistance from 3Com Support, you would like the Switch to refresh. (Range: 10 to 180 seconds; 0 to disable polling). Figure 16 Polling ..., Product 3C Number, MAC Address, Software Version, Unit Uptime, Bootroom Version, and Hardware Version. 36 CHAPTER 4: CONFIGURING THE SWITCH FROM THE WEB INTERFACE Device View Contains fields that display the system, switch, and management information to print out the information on this screen.
... polling interval. Polling Interval Enter the interval in seconds you may be asked to identify the Switch. Enter a 0 to 180 seconds for technical assistance from 3Com Support, you would like the Switch to refresh. (Range: 10 to 180 seconds; 0 to disable polling). Figure 16 Polling ..., Product 3C Number, MAC Address, Software Version, Unit Uptime, Bootroom Version, and Hardware Version. 36 CHAPTER 4: CONFIGURING THE SWITCH FROM THE WEB INTERFACE Device View Contains fields that display the system, switch, and management information to print out the information on this screen.
User Guide
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... The bridging device, known as the Root Bridge, generates BPDUs (Bridge Protocol Data Units) on the network have determined the configuration of the Switch to select a bridging device that the optimal path is a bridge-based system for providing fault tolerance on the network have a designated Root ...spanning tree, use the Setup tab and choose Enabled from forwarding traffic. Figure 41 Spanning Tree Setup Screen Port Setup This administrative tool supports the configuration of their ports, each port. Spanning tree is maintained between the Root Port and the ports that they are the ...
... The bridging device, known as the Root Bridge, generates BPDUs (Bridge Protocol Data Units) on the network have determined the configuration of the Switch to select a bridging device that the optimal path is a bridge-based system for providing fault tolerance on the network have a designated Root ...spanning tree, use the Setup tab and choose Enabled from forwarding traffic. Figure 41 Spanning Tree Setup Screen Port Setup This administrative tool supports the configuration of their ports, each port. Spanning tree is maintained between the Root Port and the ports that they are the ...
User Guide
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...is advised not to enable Flow Control on ports that can be supported by default. ■ Speed - Figure 56 Port Administration Setup Screen Speed/Duplex for 1000 Mbps Connections" below. 62 CHAPTER 4: CONFIGURING THE SWITCH FROM THE WEB INTERFACE disabled, packets may be connected to telephony ...your changes. Available options include auto, 10, 100, and 1000. To run a port at 1000 Mbps, providing the connected device also supports this speed. Auto (or autonegotiation) sets the optimum combination of these settings, click Apply to 1000 Mbps. When autonegotiation is disabled by...
...is advised not to enable Flow Control on ports that can be supported by default. ■ Speed - Figure 56 Port Administration Setup Screen Speed/Duplex for 1000 Mbps Connections" below. 62 CHAPTER 4: CONFIGURING THE SWITCH FROM THE WEB INTERFACE disabled, packets may be connected to telephony ...your changes. Available options include auto, 10, 100, and 1000. To run a port at 1000 Mbps, providing the connected device also supports this speed. Auto (or autonegotiation) sets the optimum combination of these settings, click Apply to 1000 Mbps. When autonegotiation is disabled by...
User Guide
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...cannot modify the speed/duplex settings of ports that is link on the Switch can be configured on the Switch to configure the speed/duplex setting, simply enable autonegotiation for 10 Mbps and 100 Mbps settings. Supported SFP transceivers only operate at any one time. ■ All ports in... a trunk must be used for creating a trunk. ■ The Switch supports a maximum of four trunks. ■ Each trunk may contain up to...
...cannot modify the speed/duplex settings of ports that is link on the Switch can be configured on the Switch to configure the speed/duplex setting, simply enable autonegotiation for 10 Mbps and 100 Mbps settings. Supported SFP transceivers only operate at any one time. ■ All ports in... a trunk must be used for creating a trunk. ■ The Switch supports a maximum of four trunks. ■ Each trunk may contain up to...
User Guide
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... firmware becomes corrupted, you reset it , check the 3Com Knowledgebase at http://knowledgebase.3com.com before contacting your TFTP server to upgrade the firmware using , and managing the Switch, with your local technical support representative. During the power up sequence after you can reset the Switch to complete. Follow the instructions provided with suggested courses...
... firmware becomes corrupted, you reset it , check the 3Com Knowledgebase at http://knowledgebase.3com.com before contacting your TFTP server to upgrade the firmware using , and managing the Switch, with your local technical support representative. During the power up sequence after you can reset the Switch to complete. Follow the instructions provided with suggested courses...
User Guide
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... each port. If the Problem Persists 77 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 returning the unit: ■ Product number and serial number (printed on disabling the broadcast operation. Refer to the... Link/Activity LED is on, but network performance is introducing an excessive amount of broadcast frames to the network. If the connected device does not support autonegotiation, ensure that port is poor The Switch supports full-duplex autonegotiation.
... each port. If the Problem Persists 77 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 returning the unit: ■ Product number and serial number (printed on disabling the broadcast operation. Refer to the... Link/Activity LED is on, but network performance is introducing an excessive amount of broadcast frames to the network. If the connected device does not support autonegotiation, ensure that port is poor The Switch supports full-duplex autonegotiation.
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... product at http://eSupport.3com.com/. 3Com eSupport services are based on the 3Com Web site at www.3com.com/ 3Com Knowledgebase helps you troubleshoot 3Com products. Troubleshoot Online You will find support tools posted on accounts that provides access to a number of eSupport features including Product Registration, Repair Services, and Service Request. A OBTAINING SUPPORT FOR YOUR PRODUCT...
... product at http://eSupport.3com.com/. 3Com eSupport services are based on the 3Com Web site at www.3com.com/ 3Com Knowledgebase helps you troubleshoot 3Com products. Troubleshoot Online You will find support tools posted on accounts that provides access to a number of eSupport features including Product Registration, Repair Services, and Service Request. A OBTAINING SUPPORT FOR YOUR PRODUCT...
User Guide
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...are the feature releases that follow the software version included with your product quickly to ensure you can be found at http://eSupport.3com.com/, or under the Product Support heading at http://eSupport.3com.com/. In order to apply for a user name and password. First time users will need to technical... support and repair services. Contact Us 3Com offers telephone, e-mail and Internet access to apply for a user name and password. If your product is registered and under warranty, you get ...
...are the feature releases that follow the software version included with your product quickly to ensure you can be found at http://eSupport.3com.com/, or under the Product Support heading at http://eSupport.3com.com/. In order to apply for a user name and password. First time users will need to technical... support and repair services. Contact Us 3Com offers telephone, e-mail and Internet access to apply for a user name and password. If your product is registered and under warranty, you get ...
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...FAX using this number: +61 2 9937 5048, or send an email at this email address: ap_rma_request@3com.com Europe, Middle East, and Africa Telephone Technical Support and Repair From anywhere in these +44 1442 435529 regions not listed below, call: Contact Us 81 Country...then dialing 800 763 6780 You can also obtain non-urgent support in this region at these email addresses: Technical support and general requests: customer_support@3com.com Return material authorization: warranty_repair@3com.com Contract requests: emea_contract@3com.com direct by dialing 02 430 430, then dialing 800...
...FAX using this number: +61 2 9937 5048, or send an email at this email address: ap_rma_request@3com.com Europe, Middle East, and Africa Telephone Technical Support and Repair From anywhere in these +44 1442 435529 regions not listed below, call: Contact Us 81 Country...then dialing 800 763 6780 You can also obtain non-urgent support in this region at these email addresses: Technical support and general requests: customer_support@3com.com Return material authorization: warranty_repair@3com.com Contract requests: emea_contract@3com.com direct by dialing 02 430 430, then dialing 800...
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... Haiti Honduras Jamaica Martinique Mexico Nicaragua Panama Paraguay Peru Puerto Rico Salvador Trinidad and Tobago Uruguay Venezuela Virgin Islands 1 800 988 2112 0 810 444 3COM 1 800 998 2112 1 800 998 2112 1 800 998 2112 52 5 201 0010 1 800 998 2112 1 800 998 2112 0800 13...998 2112 57 1 657 0888 Country Telephone Number You can also obtain support in this region using the following: Spanish speakers, enter the URL: http://lat.3com.com/lat/support/form.html Portuguese speakers, enter the URL: http://lat.3com.com/br/support/form.html English speakers in Latin America should send e-mail to: ...
... Haiti Honduras Jamaica Martinique Mexico Nicaragua Panama Paraguay Peru Puerto Rico Salvador Trinidad and Tobago Uruguay Venezuela Virgin Islands 1 800 988 2112 0 810 444 3COM 1 800 998 2112 1 800 998 2112 1 800 998 2112 52 5 201 0010 1 800 998 2112 1 800 998 2112 0800 13...998 2112 57 1 657 0888 Country Telephone Number You can also obtain support in this region using the following: Spanish speakers, enter the URL: http://lat.3com.com/lat/support/form.html Portuguese speakers, enter the URL: http://lat.3com.com/br/support/form.html English speakers in Latin America should send e-mail to: ...
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... Login process restarts. The following commands: ■? ■ Ping ■ Summary ■ ipSetup ■ Upgrade ■ Initialize ■ Reboot ■ Logout ■ Password 92 APPENDIX D: 3COM CLI REFERENCE GUIDE If the password is automatically terminated after 30 minutes in which no device configuration activity has occurred. Concurrent CLI Sessions The command...
... Login process restarts. The following commands: ■? ■ Ping ■ Summary ■ ipSetup ■ Upgrade ■ Initialize ■ Reboot ■ Logout ■ Password 92 APPENDIX D: 3COM CLI REFERENCE GUIDE If the password is automatically terminated after 30 minutes in which no device configuration activity has occurred. Concurrent CLI Sessions The command...
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... Default Configuration This command has no default configuration. User Guidelines There are no user guidelines for devices that support separate runtime and bootcode Images. IP address to ping. ■ hostname - 94 APPENDIX D: 3COM CLI REFERENCE GUIDE Ping The Ping command sends ICMP echo request packets to another node on the device: Select...
... Default Configuration This command has no default configuration. User Guidelines There are no user guidelines for devices that support separate runtime and bootcode Images. IP address to ping. ■ hostname - 94 APPENDIX D: 3COM CLI REFERENCE GUIDE Ping The Ping command sends ICMP echo request packets to another node on the device: Select...
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96 APPENDIX D: 3COM CLI REFERENCE GUIDE Upgrade The Upgrade command starts a system download and thereby allowing a system upgrade...completed, the command prompt reappears. Select menu option: The TFTP server IP address and the software image file name on the Switch using a TFTP server: Select menu option: upgrade TFTP Server Address [192.168.1.254]: 192.168.1.9 File Name [runtime2...upgrade Default Configuration This command has no default configuration. When the upgrade process is supported, therefore the next boot after the Upgrade command will always use the newly downloaded image.
96 APPENDIX D: 3COM CLI REFERENCE GUIDE Upgrade The Upgrade command starts a system download and thereby allowing a system upgrade...completed, the command prompt reappears. Select menu option: The TFTP server IP address and the software image file name on the Switch using a TFTP server: Select menu option: upgrade TFTP Server Address [192.168.1.254]: 192.168.1.9 File Name [runtime2...upgrade Default Configuration This command has no default configuration. When the upgrade process is supported, therefore the next boot after the Upgrade command will always use the newly downloaded image.