User Guide
Page 4
Changing the Admin Password 28 Modifying the IP Address Settings 29 Automatic IP Configuration 29 Setting the IP Address 30 Configuring Port Settings 31 Basic Port Configuration 31 Advanced ... 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...
Changing the Admin Password 28 Modifying the IP Address Settings 29 Automatic IP Configuration 29 Setting the IP Address 30 Configuring Port Settings 31 Basic Port Configuration 31 Advanced ... 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...
User Guide
Page 11
... unit, ensuring that your user name or password. Rear Panel (8) Power Supply The Switch automatically adjusts to each marked corner area on page 43 for example, you have forgotten the default IP address, or forgotten your Switch package is supplied with four self-adhesive rubber pads. CAUTION: 3Com recommends that is complete. Only use the...
... unit, ensuring that your user name or password. Rear Panel (8) Power Supply The Switch automatically adjusts to each marked corner area on page 43 for example, you have forgotten the default IP address, or forgotten your Switch package is supplied with four self-adhesive rubber pads. CAUTION: 3Com recommends that is complete. Only use the...
User Guide
Page 28
... (firmware), boot ROM, and code. The default admin account settings are: ■ User name - Shows the versions of the Switch. admin ■ Password - It also shows the object ID and the time elapsed since the Switch was last started. If you request for technical... assistance from accessing the Web interface and modifying the Switch's settings, the interface is password-protected. blank (no password) To ensure that unauthorized users do not intend to actively manage the switch, 3Com recommends that you change the password to prevent unauthorized access to your changes. ■...
... (firmware), boot ROM, and code. The default admin account settings are: ■ User name - Shows the versions of the Switch. admin ■ Password - It also shows the object ID and the time elapsed since the Switch was last started. If you request for technical... assistance from accessing the Web interface and modifying the Switch's settings, the interface is password-protected. blank (no password) To ensure that unauthorized users do not intend to actively manage the switch, 3Com recommends that you change the password to prevent unauthorized access to your changes. ■...
User Guide
Page 29
... application to be able to connect to the Web interface. If you forget the administration password after you have any password. If you power on the Switch for the first time, it automatically uses the default IP address 169.254.x.y, where x and y are the last two bytes of its ...is case-sensitive. 5 Click Apply. Automatic IP Configuration When you want to set. 4 In Confirm Password, retype the password you need to assign an IP address to it - By default, the Switch performs automatic IP configuration and assigns an IP address to itself during auto IP configuration, check the To...
... application to be able to connect to the Web interface. If you forget the administration password after you have any password. If you power on the Switch for the first time, it automatically uses the default IP address 169.254.x.y, where x and y are the last two bytes of its ...is case-sensitive. 5 Click Apply. Automatic IP Configuration When you want to set. 4 In Confirm Password, retype the password you need to assign an IP address to it - By default, the Switch performs automatic IP configuration and assigns an IP address to itself during auto IP configuration, check the To...
User Guide
Page 49
... to reset the Switch to Factory Defaults" on the front panel of corrective action to take. See "Resetting to regain access. blank (no password) Forgotten Static IP Address If you forget the static IP address that you assigned to the Switch and you set it , check the 3Com Knowledgebase at http://knowledgebase.3com.com before contacting...
... to reset the Switch to Factory Defaults" on the front panel of corrective action to take. See "Resetting to regain access. blank (no password) Forgotten Static IP Address If you forget the static IP address that you assigned to the Switch and you set it , check the 3Com Knowledgebase at http://knowledgebase.3com.com before contacting...
User Guide
Page 51
..." on -screen instructions to upgrade the Switch to the required version of the Switch. CAUTION: Before recovering the Switch, save the Switch's current configuration. The Switch will now enter fail safe mode, whereby the Switch's IP address, user name and password will cause the current configuration to be reset to the factory defaults. Refer to "Configuration" on page...
..." on -screen instructions to upgrade the Switch to the required version of the Switch. CAUTION: Before recovering the Switch, save the Switch's current configuration. The Switch will now enter fail safe mode, whereby the Switch's IP address, user name and password will cause the current configuration to be reset to the factory defaults. Refer to "Configuration" on page...
User Guide
Page 71
... 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 configuration... 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 65 I IEEE...
... 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 configuration... 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 65 I IEEE...