User Guide
Page 4
...Summary 38 Viewing Statistics 39 Monitoring Traffic 39 Running Cable Diagnostic 40 Using the System Tools 41 Restart 41 Configuration 41 Resetting to Factory Defaults 42 Backing Up and Restoring Configuration 42 Upgrade 42 Spanning Tree 43 Support 44 5 TROUBLESHOOTING Forgotten Password 45 Forgotten Static... IP Address 45 Solving LED Issues 45 If the Problem Persists 48 A OBTAINING SUPPORT FOR YOUR PRODUCT Register Your Product 49 Purchase Value-Added ...
...Summary 38 Viewing Statistics 39 Monitoring Traffic 39 Running Cable Diagnostic 40 Using the System Tools 41 Restart 41 Configuration 41 Resetting to Factory Defaults 42 Backing Up and Restoring Configuration 42 Upgrade 42 Spanning Tree 43 Support 44 5 TROUBLESHOOTING Forgotten Password 45 Forgotten Static... IP Address 45 Solving LED Issues 45 If the Problem Persists 48 A OBTAINING SUPPORT FOR YOUR PRODUCT Register Your Product 49 Purchase Value-Added ...
User Guide
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... missing, contact your user name or password. Do not apply the pads if you have forgotten the default IP address, or forgotten your 3Com network supplier immediately. Refer to be lost. Package Contents 11 Package Contents Before installing and using the Switch, verify that you back up your configuration settings before you recover the...
... missing, contact your user name or password. Do not apply the pads if you have forgotten the default IP address, or forgotten your 3Com network supplier immediately. Refer to be lost. Package Contents 11 Package Contents Before installing and using the Switch, verify that you back up your configuration settings before you recover the...
User Guide
Page 25
... the Switch's IP address, you want to configure the Switch. To determine the IP address that IP address to access the Web interface. This sticker contains the MAC address and default IP address of the Switch. For more information, refer to "Automatic IP Configuration" on the base of the Switch. For... example, if the DHCP server assigned the IP address 192.168.0.123 to the Switch, start your Web browser, and ...
... the Switch's IP address, you want to configure the Switch. To determine the IP address that IP address to access the Web interface. This sticker contains the MAC address and default IP address of the Switch. For more information, refer to "Automatic IP Configuration" on the base of the Switch. For... example, if the DHCP server assigned the IP address 192.168.0.123 to the Switch, start your Web browser, and ...
User Guide
Page 28
...save your changes. ■ IP Information - Shows the serial number, total number of ports, and the version of the Switch. blank (no password) To ensure that unauthorized users do not access the Web interface, 3Com recommends that you first configure the Switch. Changing the Admin Password To...elapsed since the Switch was last started. Contains optional fields that you set an admin password when you can view on the Summary screen include: ■ System Information - After you update any of the loader (firmware), and the operation code version. The default admin account settings ...
...save your changes. ■ IP Information - Shows the serial number, total number of ports, and the version of the Switch. blank (no password) To ensure that unauthorized users do not access the Web interface, 3Com recommends that you first configure the Switch. Changing the Admin Password To...elapsed since the Switch was last started. Contains optional fields that you set an admin password when you can view on the Summary screen include: ■ System Information - After you update any of the loader (firmware), and the operation code version. The default admin account settings ...
User Guide
Page 29
... is necessary for information on the network to communicate with the default IP address 169.254.x.y,where x and y are converted from the last two bytes of the Switch. By default, the Switch performs automatic IP configuration and assigns an IP address to it - To set a password, leave this is...want to set it automatically uses the default IP address 169.254.x.y, where x and y are the last two bytes of its IP information using the automatic configuration process, the Switch goes through the following sequence of the Switch. By default, the Switch does not have not previously set ...
... is necessary for information on the network to communicate with the default IP address 169.254.x.y,where x and y are converted from the last two bytes of the Switch. By default, the Switch performs automatic IP configuration and assigns an IP address to it - To set a password, leave this is...want to set it automatically uses the default IP address 169.254.x.y, where x and y are the last two bytes of its IP information using the automatic configuration process, the Switch goes through the following sequence of the Switch. By default, the Switch does not have not previously set ...
User Guide
Page 30
...) to itself. 2 If this IP address. This address is used if the Switch is operating in use on the network have this default IP address is found. 3Com recommends using DHCP or assigning a static IP address) to ensure successful communication between the Switch and other network devices. Figure 10 IP Settings Screen 2 Configure the Switch's IP settings. Available options are...
...) to itself. 2 If this IP address. This address is used if the Switch is operating in use on the network have this default IP address is found. 3Com recommends using DHCP or assigning a static IP address) to ensure successful communication between the Switch and other network devices. Figure 10 IP Settings Screen 2 Configure the Switch's IP settings. Available options are...
User Guide
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...a DHCP server on other network segments. The default subnet mask is disabled, packets may be dropped under certain This option is only available if IP Address Mode is assigned to the Switch also becomes the IP address for the port, the Switch regulates the packet flow so that is set ... Basic Port Configuration Use the Basic Port Configuration tab to enable and disable the port and its IP address. IP Address Mode IP Address Subnet Mask Default Gateway MAC Address Specify how the Switch will get its flow control settings and to set the speed/duplex of the port. Select this...
...a DHCP server on other network segments. The default subnet mask is disabled, packets may be dropped under certain This option is only available if IP Address Mode is assigned to the Switch also becomes the IP address for the port, the Switch regulates the packet flow so that is set ... Basic Port Configuration Use the Basic Port Configuration tab to enable and disable the port and its IP address. IP Address Mode IP Address Subnet Mask Default Gateway MAC Address Specify how the Switch will get its flow control settings and to set the speed/duplex of the port. Select this...
User Guide
Page 42
... system software that 3Com may need to reconfigure the Switch after you reset it. the Switch will need to restart your settings. The Switch LAN IP address will be downloaded via HTTP and once copied to the Switch; For security purposes, restoring the configuration does not change the password. You will revert to the default IP address 169...
... system software that 3Com may need to reconfigure the Switch after you reset it. the Switch will need to restart your settings. The Switch LAN IP address will be downloaded via HTTP and once copied to the Switch; For security purposes, restoring the configuration does not change the password. You will revert to the default IP address 169...
User Guide
Page 45
...no password) Forgotten Static IP Address If you forget the static IP address that you assigned to the Switch and you forget the password to the Web interface using , and managing the Switch, with suggested courses of the Switch. 5 TROUBLESHOOTING This ...SFP Port Status LEDs ■ (6) Power LED If you encounter an issue that is not listed here and you cannot solve it , you set it , check the 3Com Knowledgebase at http://knowledgebase.3com.com before contacting your Switch, refer to Appendix A. After resetting the Switch, log on page 21. See "Resetting to Factory Defaults...
...no password) Forgotten Static IP Address If you forget the static IP address that you assigned to the Switch and you forget the password to the Web interface using , and managing the Switch, with suggested courses of the Switch. 5 TROUBLESHOOTING This ...SFP Port Status LEDs ■ (6) Power LED If you encounter an issue that is not listed here and you cannot solve it , you set it , check the 3Com Knowledgebase at http://knowledgebase.3com.com before contacting your Switch, refer to Appendix A. After resetting the Switch, log on page 21. See "Resetting to Factory Defaults...
User Guide
Page 47
Solving LED Issues 47 You forget the Switch's default IP address, or you forget the user name or password that you backed up the current configuration. To recover the Switch: 1 Back up in Figure 28 displays. Recovering the Switch will cause the current configuration to the Switch. Refer to the factory defaults. 4 Click on the network. CAUTION: Before...
Solving LED Issues 47 You forget the Switch's default IP address, or you forget the user name or password that you backed up the current configuration. To recover the Switch: 1 Back up in Figure 28 displays. Recovering the Switch will cause the current configuration to the Switch. Refer to the factory defaults. 4 Click on the network. CAUTION: Before...
User Guide
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...Numbers 1000BASE-LX 59 1000BASE-SX 59 1000BASE-T 59 100BASE-TX 59 10BASE-T 59 A admin password changing 28 automatic IP configuration 29 default IP 29 default mask 30 B bandwidth 59 Baseline Switch 2848-SFP 53 C category 3 cables 60 category 5 cables 60 category 5e cables 60 category 6 cables 60 changing the admin...dynamic host control protocol 60 E Ethernet 60 F Fast Ethernet 60 FCC statement 65 Feedback about this User Guide 6 firmware upgrading 42 forgotten default IP address 47 password 47 user name 47 front panel diagram 8 full duplex 61 G Gigabit Ethernet 60 Glossary 59 H half duplex 61 I...
...Numbers 1000BASE-LX 59 1000BASE-SX 59 1000BASE-T 59 100BASE-TX 59 10BASE-T 59 A admin password changing 28 automatic IP configuration 29 default IP 29 default mask 30 B bandwidth 59 Baseline Switch 2848-SFP 53 C category 3 cables 60 category 5 cables 60 category 5e cables 60 category 6 cables 60 changing the admin...dynamic host control protocol 60 E Ethernet 60 F Fast Ethernet 60 FCC statement 65 Feedback about this User Guide 6 firmware upgrading 42 forgotten default IP address 47 password 47 user name 47 front panel diagram 8 full duplex 61 G Gigabit Ethernet 60 Glossary 59 H half duplex 61 I...
User Guide
Page 68
... support/feedback 44 P password 47 changing 28 default (blank) 28 setting 29 positioning the Switch 13 POST 16 power cycle 41 protocol defined 62 R restarting the Switch 41 RJ-45 defined 62 S saving Switch configuration 42 server defined 63 SFP transceivers approved (supported) 17 inserting 17 removing ...18 spot checks 19 subnet mask 63 support 44 Switch changing the password 28 positioning 13 restarting 41 switch defined 63 system tools 41 T TCP/IP ...
... support/feedback 44 P password 47 changing 28 default (blank) 28 setting 29 positioning the Switch 13 POST 16 power cycle 41 protocol defined 62 R restarting the Switch 41 RJ-45 defined 62 S saving Switch configuration 42 server defined 63 SFP transceivers approved (supported) 17 inserting 17 removing ...18 spot checks 19 subnet mask 63 support 44 Switch changing the password 28 positioning 13 restarting 41 switch defined 63 system tools 41 T TCP/IP ...