User Guide
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C PIN-OUTS Console Cable 189 Null Modem Cable 190 PC-AT Serial Cable 190 Modem Cable 190 Ethernet Port RJ-45 Pin Assignments 191 D TROUBLESHOOTING Problem Management 192 Troubleshooting Solutions 192 E 3COM CLI REFERENCE GUIDE Getting Started with the Command Line Interface 195 CLI Commands 196 F GLOSSARY ...206 G OBTAINING SUPPORT FOR YOUR 3COM PRODUCTS Register Your Product to Gain Service Benefits 212 Solve Problems Online 212 Purchase Extended Warranty and Professional Services 212 Access Software Downloads 213 Contact Us 213 REGULATORY NOTICES
C PIN-OUTS Console Cable 189 Null Modem Cable 190 PC-AT Serial Cable 190 Modem Cable 190 Ethernet Port RJ-45 Pin Assignments 191 D TROUBLESHOOTING Problem Management 192 Troubleshooting Solutions 192 E 3COM CLI REFERENCE GUIDE Getting Started with the Command Line Interface 195 CLI Commands 196 F GLOSSARY ...206 G OBTAINING SUPPORT FOR YOUR 3COM PRODUCTS Register Your Product to Gain Service Benefits 212 Solve Problems Online 212 Purchase Extended Warranty and Professional Services 212 Access Software Downloads 213 Contact Us 213 REGULATORY NOTICES
User Guide
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... default user is the source bootcode filename. Note: You can access and change the default passwords, you want to your Switch from the new software you have downloaded, enter the following: reboot The following prompt displays: Are you sure you must log in Table 5. Table 5 Default Users...Password admin (no ): 4 Enter yes and press Return. The switch has one default user name. The bootcode firmware may not require upgrading for every software upgrade, therefore there may not be upgraded using the CLI. 1 To download the runtime application file, enter: upgrade aaa.aaa.aaa.aaa ...
... default user is the source bootcode filename. Note: You can access and change the default passwords, you want to your Switch from the new software you have downloaded, enter the following: reboot The following prompt displays: Are you sure you must log in Table 5. Table 5 Default Users...Password admin (no ): 4 Enter yes and press Return. The switch has one default user name. The bootcode firmware may not require upgrading for every software upgrade, therefore there may not be upgraded using the CLI. 1 To download the runtime application file, enter: upgrade aaa.aaa.aaa.aaa ...
User Guide
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... up switch firmware, including the following : ■ Startup Configuration File - To update the Startup file, click the Save Configuration button before powering down or rebooted. The file is checked for the right format, and that it is created by copying the configuration commands from the Running Configuration file or by downloading the...
... up switch firmware, including the following : ■ Startup Configuration File - To update the Startup file, click the Save Configuration button before powering down or rebooted. The file is checked for the right format, and that it is created by copying the configuration commands from the Running Configuration file or by downloading the...
User Guide
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...Files The Restore Page restores files from the HTTP server or HTTPS server. Configuration Download ■ TFTP Server IP Address - Specifies the TFTP Server IP Address from the TFTP server. ■ Download via TFTP - The Restore Page opens: Figure 92 Restore Page The Restore ...Page contains the following fields: ■ Download via HTTP - The monitor users have no access to this page. 1 Click Administration > Backup & Restore > Restore. Enables a download from which the configuration file is updated. The restore file is defined, and ...
...Files The Restore Page restores files from the HTTP server or HTTPS server. Configuration Download ■ TFTP Server IP Address - Specifies the TFTP Server IP Address from the TFTP server. ■ Download via TFTP - The Restore Page opens: Figure 92 Restore Page The Restore ...Page contains the following fields: ■ Download via HTTP - The monitor users have no access to this page. 1 Click Administration > Backup & Restore > Restore. Enables a download from which the configuration file is updated. The restore file is defined, and ...
User Guide
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...Address - The files are downloaded. ■ Source File Name - Enables initiating a download via the TFTP server. ■ Download via HTTP - Specifies the image files to be upgraded using the CLI" page 27. ■ The monitor user has no access to upgrade the switch firmware. ■ Note: ...The bootcode can only be downloaded. 2 Define the relevant fields. 3 Click Apply. To download the software image: 1 Click Administration > Firmware Upgrade > Restore Image. Specifies the TFTP...
...Address - The files are downloaded. ■ Source File Name - Enables initiating a download via the TFTP server. ■ Download via HTTP - Specifies the image files to be upgraded using the CLI" page 27. ■ The monitor user has no access to upgrade the switch firmware. ■ Note: ...The bootcode can only be downloaded. 2 Define the relevant fields. 3 Click Apply. To download the software image: 1 Click Administration > Firmware Upgrade > Restore Image. Specifies the TFTP...
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The Image file which is active on the unit after the device is reset. ■ Backup Image - Activates the current image after the device is downloaded onto the device through the CLI. To upload System files: 1 Click Administration > Firmware Upgrade > Active Image. Activates backup image after the device is updated. The ...
The Image file which is active on the unit after the device is reset. ■ Backup Image - Activates the current image after the device is downloaded onto the device through the CLI. To upload System files: 1 Click Administration > Firmware Upgrade > Active Image. Activates backup image after the device is updated. The ...
User Guide
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... small and medium businesses through large enterprises. To find out more about 3Com Network Supervisor and to download a trial version, go to address networks of all levels of experience. A 3COM NETWORK MANAGEMENT 3Com Network Supervisor 3Com has a range of network management applications to : www.3com.com/3ns It can also offer optimization suggestions, making this application...
... small and medium businesses through large enterprises. To find out more about 3Com Network Supervisor and to download a trial version, go to address networks of all levels of experience. A 3COM NETWORK MANAGEMENT 3Com Network Supervisor 3Com has a range of network management applications to : www.3com.com/3ns It can also offer optimization suggestions, making this application...
User Guide
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... easy to the network. It simplifies the task of 3Com switches and wireless access points (using 3ND you manage your 3Com network and to download a trial version, go to : www.3com.com/3nd 3Com Network Access Manager is performing. 182 APPENDIX A: 3COM NETWORK MANAGEMENT 3Com Network Director 3Com Network Access Manager 3Com Network Director (3ND) is a standalone application that allows...
... easy to the network. It simplifies the task of 3Com switches and wireless access points (using 3ND you manage your 3Com network and to download a trial version, go to : www.3com.com/3nd 3Com Network Access Manager is performing. 182 APPENDIX A: 3COM NETWORK MANAGEMENT 3Com Network Director 3Com Network Access Manager 3Com Network Director (3ND) is a standalone application that allows...
User Guide
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... by an initial synchronization exchange. The device supports boot image, software and configuration upload/download via TFTP. Packets are collections of switching ports that enables secure transactions of data through which the system can be grouped in ...based input into TCP packets, each carrying a sequence number. Switches exchange configuration messages using specifically formatted frames and selectively enable and disable forwarding on a combination of the Baseline Switch 2916-SFP Plus and Switch 2924-SFP Plus (continued) Feature SNMP Alarms and Trap Logs SNMP Versions 1...
... by an initial synchronization exchange. The device supports boot image, software and configuration upload/download via TFTP. Packets are collections of switching ports that enables secure transactions of data through which the system can be grouped in ...based input into TCP packets, each carrying a sequence number. Switches exchange configuration messages using specifically formatted frames and selectively enable and disable forwarding on a combination of the Baseline Switch 2916-SFP Plus and Switch 2924-SFP Plus (continued) Feature SNMP Alarms and Trap Logs SNMP Versions 1...
User Guide
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... TROUBLESHOOTING Table 12 Troubleshooting Solutions (continued) Problems Possible Cause Device is in the NMS application, and change setting if necessary Contact 3Com Check Rx and Tx on fiber optic cable Bad cable Replace with a tested cable Wrong cable type Verify that all 10 Mbps... ethernet cable, LED is off e.g., crossed rather than straight cable, or vice versa, split pair (incorrect twisting of pairs) Solution Download and install a working or previous software version from the console Check pinout and replace if necessary Fiber optical cable connection is reversed Change...
... TROUBLESHOOTING Table 12 Troubleshooting Solutions (continued) Problems Possible Cause Device is in the NMS application, and change setting if necessary Contact 3Com Check Rx and Tx on fiber optic cable Bad cable Replace with a tested cable Wrong cable type Verify that all 10 Mbps... ethernet cable, LED is off e.g., crossed rather than straight cable, or vice versa, split pair (incorrect twisting of pairs) Solution Download and install a working or previous software version from the console Check pinout and replace if necessary Fiber optical cable connection is reversed Change...
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...TFTP Server IP Address - Defines the TFTP server's IP address. ■ Source File Name - Defines the file type to be downloaded. Downloads the runtime software application file. ■bootcode - User Guidelines During the upgrade process, a series of dots appear representing the upgrade process... prompt reappears. When the upgrade process is supported therefore the next boot after upgrade command will always use the newly downloaded image. Downloads the bootcode software file. Default Configuration This command has no default configuration. Specifies the source file name. ■ ...
...TFTP Server IP Address - Defines the TFTP server's IP address. ■ Source File Name - Defines the file type to be downloaded. Downloads the runtime software application file. ■bootcode - User Guidelines During the upgrade process, a series of dots appear representing the upgrade process... prompt reappears. When the upgrade process is supported therefore the next boot after upgrade command will always use the newly downloaded image. Downloads the bootcode software file. Default Configuration This command has no default configuration. Specifies the source file name. ■ ...
User Guide
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Protocol (TFTP) User Datagram Protocol (UDP) UDP provides a datagram mode for software downloads. SSH can often occur in complicated or backup linked network systems. Spanning Tree detects and directs data along the shortest available path...IP-like IP packets - A loop can authenticate users with a cryptographic key, and encrypt data connections between management clients and the switch. Terminal Access Controller Access Control System Plus (TACACS+) TACACS+ is useful when TCP would be discarded before reaching their targets. UDP packets are delivered just like services. ...
Protocol (TFTP) User Datagram Protocol (UDP) UDP provides a datagram mode for software downloads. SSH can often occur in complicated or backup linked network systems. Spanning Tree detects and directs data along the shortest available path...IP-like IP packets - A loop can authenticate users with a cryptographic key, and encrypt data connections between management clients and the switch. Terminal Access Controller Access Control System Plus (TACACS+) TACACS+ is useful when TCP would be discarded before reaching their targets. UDP packets are delivered just like services. ...
User Guide
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...purchased with your login. Access Software Downloads You are available for your region, use the Serial Number as part of your warranty and other service Support and Repair benefits, you must first register your authorized 3Com reseller or 3Com for assistance, please have the ... of access numbers later in the next section. Access Software Downloads 213 Contact your product at : http://eSupport.3com.com/ To obtain software releases that follow the software version that you originally purchased, 3Com recommends that you need to technical support and repair services. ...
...purchased with your login. Access Software Downloads You are available for your region, use the Serial Number as part of your warranty and other service Support and Repair benefits, you must first register your authorized 3Com reseller or 3Com for assistance, please have the ... of access numbers later in the next section. Access Software Downloads 213 Contact your product at : http://eSupport.3com.com/ To obtain software releases that follow the software version that you originally purchased, 3Com recommends that you need to technical support and repair services. ...
User Guide
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...20402, Stock No. 004-000-00345-4. In order to meet FCC emissions limits, this equipment must be downloaded from the U.S. Warning: This is encouraged to try to correct the interference by turning the equipment off ... in which case the user will be required to take adequate measures. Also available at http://support.3com.com/doc/BL_SWITCH_2916/2924_SFP_EU_DOC.pdf If necessary, the user should consult the dealer or an experienced radio/television...is available from the Product Support web page for the Baseline Switch 2916/2924-SFP Plus family (3CBLSG16 and 3CBLSG24) at http://www.3Com.com.
...20402, Stock No. 004-000-00345-4. In order to meet FCC emissions limits, this equipment must be downloaded from the U.S. Warning: This is encouraged to try to correct the interference by turning the equipment off ... in which case the user will be required to take adequate measures. Also available at http://support.3com.com/doc/BL_SWITCH_2916/2924_SFP_EU_DOC.pdf If necessary, the user should consult the dealer or an experienced radio/television...is available from the Product Support web page for the Baseline Switch 2916/2924-SFP Plus family (3CBLSG16 and 3CBLSG24) at http://www.3Com.com.