User Guide
Page 4
... Statistics 40 Mirroring Port Traffic 41 Running Cable Diagnostic 42 Using 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 Purchase ...
... Statistics 40 Mirroring Port Traffic 41 Running Cable Diagnostic 42 Using 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 Purchase ...
User Guide
Page 11
...apply the pads to rack-mount the Switch, do not apply the pads. The Switch comes with the unit. (9) Recovery button The recovery button reinitializes the Switch. If you have forgotten the default IP address, or forgotten your 3Com network supplier immediately. Only use the power... cord that your Switch package is supplied with the recesses of the above items are...
...apply the pads to rack-mount the Switch, do not apply the pads. The Switch comes with the unit. (9) Recovery button The recovery button reinitializes the Switch. If you have forgotten the default IP address, or forgotten your 3Com network supplier immediately. Only use the power... cord that your Switch package is supplied with the recesses of the above items are...
User Guide
Page 25
... Web browser, and then type http://192.168.0.123. For example, if you need to use that IP address to access the Web interface. This sticker contains the MAC address and default IP address of the Switch. Manually Assigned (Static) IP Address If you assigned a static IP address to "Automatic IP Configuration" on the base of the...
... Web browser, and then type http://192.168.0.123. For example, if you need to use that IP address to access the Web interface. This sticker contains the MAC address and default IP address of the Switch. Manually Assigned (Static) IP Address If you assigned a static IP address to "Automatic IP Configuration" on the base of the...
User Guide
Page 28
...assistance from accessing the Web interface and modifying the Switch's settings, the interface is password-protected. Changing the Admin Password To prevent unauthorized users from 3Com Support, you update any of these settings, click IP Settings. The default admin account settings are: ■ User name -... It also shows the object ID and the time elapsed since the Switch was last started. Shows the serial...
...assistance from accessing the Web interface and modifying the Switch's settings, the interface is password-protected. Changing the Admin Password To prevent unauthorized users from 3Com Support, you update any of these settings, click IP Settings. The default admin account settings are: ■ User name -... It also shows the object ID and the time elapsed since the Switch was last started. Shows the serial...
User Guide
Page 29
... set the admin password: 1 On the menu, click Password. By default, the Switch performs automatic IP configuration and assigns an IP address to it automatically uses the default IP address 169.254.x.y, where x and y are the last two bytes of its MAC address. Modifying the IP Address Settings To enable devices on how to regain access to...
... set the admin password: 1 On the menu, click Password. By default, the Switch performs automatic IP configuration and assigns an IP address to it automatically uses the default IP address 169.254.x.y, where x and y are the last two bytes of its MAC address. Modifying the IP Address Settings To enable devices on how to regain access to...
User Guide
Page 30
... example, if the MAC address were 08004E000102, 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 the automatic configuration process, the Switch goes through the following sequence of steps: 1 The Switch tries to itself with the default IP address 169.254.x.y, where x and y are listed...
... example, if the MAC address were 08004E000102, 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 the automatic configuration process, the Switch goes through the following sequence of steps: 1 The Switch tries to itself with the default IP address 169.254.x.y, where x and y are listed...
User Guide
Page 31
...the gateway router between this option if you want to manually assign an IP address to the Switch IP Address Specify an IP address that belongs to VLAN 1. The default subnet mask is assigned to the Switch. Configuring Port Settings Using the Web interface, you will get its flow...Mode is set to enable and disable the port and its IP address. Two tabs are available: ■ Number - By default, all ports belong to Static. IP Address Mode Specify how the Switch will only be accessed. Select this Switch and management stations on the Port Configuration page: ■...
...the gateway router between this option if you want to manually assign an IP address to the Switch IP Address Specify an IP address that belongs to VLAN 1. The default subnet mask is assigned to the Switch. Configuring Port Settings Using the Web interface, you will get its flow...Mode is set to enable and disable the port and its IP address. Two tabs are available: ■ Number - By default, all ports belong to Static. IP Address Mode Specify how the Switch will only be accessed. Select this Switch and management stations on the Port Configuration page: ■...
User Guide
Page 43
... their access interrupted while the restart takes place, and they may You may need to reconfigure the Switch after you can reset the Switch to its factory defaults erases all your settings. Figure 25 Restart Tab Using the System Tools 43 Figure 26 Configuration Tab ... when the restart has completed and the Switch is operational again. Resetting to the default IP address 169.254.x.y (using the process described in "Automatic IP Configuration" on page 29). The Switch LAN IP address will revert to Factory Defaults If the Switch does not operate normally or if the firmware...
... their access interrupted while the restart takes place, and they may You may need to reconfigure the Switch after you can reset the Switch to its factory defaults erases all your settings. Figure 25 Restart Tab Using the System Tools 43 Figure 26 Configuration Tab ... when the restart has completed and the Switch is operational again. Resetting to the default IP address 169.254.x.y (using the process described in "Automatic IP Configuration" on page 29). The Switch LAN IP address will revert to Factory Defaults If the Switch does not operate normally or if the firmware...
User Guide
Page 49
...instructions. See "Resetting to Factory Defaults" on how to obtain support for the port does not light There is not listed here and you will need to access the Web interface, use the Discovery application to automatically detect the IP address and connect to the interface.... Forgotten Password If you forget the password to the Web interface after you set it, you cannot solve it, check the 3Com Knowledgebase at http://knowledgebase.3com.com before contacting your Switch, refer to Appendix A. Check...
...instructions. See "Resetting to Factory Defaults" on how to obtain support for the port does not light There is not listed here and you will need to access the Web interface, use the Discovery application to automatically detect the IP address and connect to the interface.... Forgotten Password If you forget the password to the Web interface after you set it, you cannot solve it, check the 3Com Knowledgebase at http://knowledgebase.3com.com before contacting your Switch, refer to Appendix A. Check...
User Guide
Page 51
... when the LED flashes, release the recovery button. Solving LED Issues 51 You forget the Switch's default IP address, or you forget the User Name or Password that you assigned to the required version of the Switch. To recover the Switch: 1 Backup the current configuration. Figure 31 Fail Safe Mode Page f To upgrade the firmware...
... when the LED flashes, release the recovery button. Solving LED Issues 51 You forget the Switch's default IP address, or you forget the User Name or Password that you assigned to the required version of the Switch. To recover the Switch: 1 Backup the current configuration. Figure 31 Fail Safe Mode Page f To upgrade the firmware...
User Guide
Page 71
INDEX Numbers 1000BASE-LX 63 1000BASE-SX 63 1000BASE-T 63 100BASE-TX 63 10BASE-T 63 802.1p Prioritization 46 A auto IP configuration 29 default IP address 30 default mask 30 B bandwidth 63 C category 3 cables 64 category 5 cables 64 Category 5e Cables 64 Category 6 Cables 64 client 64 ...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 ...
INDEX Numbers 1000BASE-LX 63 1000BASE-SX 63 1000BASE-T 63 100BASE-TX 63 10BASE-T 63 802.1p Prioritization 46 A auto IP configuration 29 default IP address 30 default mask 30 B bandwidth 63 C category 3 cables 64 category 5 cables 64 Category 5e Cables 64 Category 6 Cables 64 client 64 ...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 ...