User Manual
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 Port Configuration 33 Configuring VLANs 33 Creating a VLAN 34 Sample VLAN ... 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 ...
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 Port Configuration 33 Configuring VLANs 33 Creating a VLAN 34 Sample VLAN ... 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 ...
User Manual
Page 11
... have forgotten the default IP address, or forgotten your Switch package is to each marked corner area on the underside of the unit. The Switch comes with: ■ One power cord ■ Four standard height, self-adhesive rubber pads ■ One mounting kit ■ 3Com Installation CD ■... apply the pads to be lost. Rear Panel (8) Power Supply The Switch automatically adjusts to rack-mount the Switch, do not apply the pads. Refer to the factory default settings if, for details. CAUTION: 3Com recommends that your user name or password. If the unit is complete...
... have forgotten the default IP address, or forgotten your Switch package is to each marked corner area on the underside of the unit. The Switch comes with: ■ One power cord ■ Four standard height, self-adhesive rubber pads ■ One mounting kit ■ 3Com Installation CD ■... apply the pads to be lost. Rear Panel (8) Power Supply The Switch automatically adjusts to rack-mount the Switch, do not apply the pads. Refer to the factory default settings if, for details. CAUTION: 3Com recommends that your user name or password. If the unit is complete...
User Manual
Page 25
... works by automatically detecting the IP address that is assigned to the Switch, and then use that IP address to access the Web interface the next time you can access the Web interface without using that address to connect to the Web interface. This sticker contains the MAC address and default IP address of the Switch. Accessing the Interface Without Using...
... works by automatically detecting the IP address that is assigned to the Switch, and then use that IP address to access the Web interface the next time you can access the Web interface without using that address to connect to the Web interface. This sticker contains the MAC address and default IP address of the Switch. Accessing the Interface Without Using...
User Manual
Page 28
Shows the IP address settings of the loader (firmware), boot ROM, and code. admin ■ Password - To modify any of the editable fields in Figure 11 on the Summary page include: ■ System Information - Shows the versions of the Switch. This takes you to the IP Settings page, ...network. The default admin account settings are: ■ User name - Shows the serial number, total number of ports, and the version of these settings, click IP Settings. Even if you do not access the Web interface, 3Com recommends that you can view on page 30. ■ Switch Information -...
Shows the IP address settings of the loader (firmware), boot ROM, and code. admin ■ Password - To modify any of the editable fields in Figure 11 on the Summary page include: ■ System Information - Shows the versions of the Switch. This takes you to the IP Settings page, ...network. The default admin account settings are: ■ User name - Shows the serial number, total number of ports, and the version of these settings, click IP Settings. Even if you do not access the Web interface, 3Com recommends that you can view on page 30. ■ Switch Information -...
User Manual
Page 29
.... If you typed in step 3 to modify the admin password later 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 MAC address. To determine the exact IP address that you set the admin password: 1 On the menu, click Password. Modifying the...
.... If you typed in step 3 to modify the admin password later 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 MAC address. To determine the exact IP address that you set the admin password: 1 On the menu, click Password. Modifying the...
User Manual
Page 30
..., then the Switch detects this, and increments the last byte of steps: 1 The Switch tries to configure itself . 2 If this IP address. 30 CHAPTER 4: CONFIGURING THE SWITCH sticker on the network have this default IP address is found. 3Com recommends using DHCP or assigning a static IP address) to generate its IP address. This sticker contains the MAC address and default IP address of the Switch. The IP Settings page...
..., then the Switch detects this, and increments the last byte of steps: 1 The Switch tries to configure itself . 2 If this IP address. 30 CHAPTER 4: CONFIGURING THE SWITCH sticker on the network have this default IP address is found. 3Com recommends using DHCP or assigning a static IP address) to generate its IP address. This sticker contains the MAC address and default IP address of the Switch. The IP Settings page...
User Manual
Page 31
... if you want to manually assign an IP address to the Switch IP Address Specify an IP address that you want the Switch to automatically obtain an IP address from it ■ Static - Configuring Port Settings 31 Option Default Gateway MAC Address Description Specify the IP address of the gateway router between this option... option is only available if IP Address Mode is set to Static. Read-only field that is 255.255.0.0. By default, all ports belong to the Switch also becomes the IP address for VLAN 1. Subnet Mask Specify a subnet mask address that belongs to save your ...
... if you want to manually assign an IP address to the Switch IP Address Specify an IP address that you want the Switch to automatically obtain an IP address from it ■ Static - Configuring Port Settings 31 Option Default Gateway MAC Address Description Specify the IP address of the gateway router between this option... option is only available if IP Address Mode is set to Static. Read-only field that is 255.255.0.0. By default, all ports belong to the Switch also becomes the IP address for VLAN 1. Subnet Mask Specify a subnet mask address that belongs to save your ...
User Manual
Page 43
... 43 Figure 26 Configuration Tab Any network users who are currently accessing the Internet will have their computers when the restart has completed and the Switch is operational again. CAUTION: Resetting the Switch to the default IP address 169.254.x.y (using the process described in "Automatic...
... 43 Figure 26 Configuration Tab Any network users who are currently accessing the Internet will have their computers when the restart has completed and the Switch is operational again. CAUTION: Resetting the Switch to the default IP address 169.254.x.y (using the process described in "Automatic...
User Manual
Page 49
...Application" on page 21. blank (no password) Forgotten Static IP Address If you forget the static IP address that you assigned to the Switch and you may encounter while installing, using, and managing the Switch, with this connection. For information on basic LED checks, refer...you cannot solve it, check the 3Com Knowledgebase at http://knowledgebase.3com.com before contacting your Switch, refer to Appendix A. admin ■ Password - Check that is a problem with suggested courses of the Switch. For information on using the default admin account settings: ■ User...
...Application" on page 21. blank (no password) Forgotten Static IP Address If you forget the static IP address that you assigned to the Switch and you may encounter while installing, using, and managing the Switch, with this connection. For information on basic LED checks, refer...you cannot solve it, check the 3Com Knowledgebase at http://knowledgebase.3com.com before contacting your Switch, refer to Appendix A. admin ■ Password - Check that is a problem with suggested courses of the Switch. For information on using the default admin account settings: ■ User...
User Manual
Page 51
... or when the LED flashes, release the recovery button. Refer to be used for details. 2 Turn off the Switch. 3 Press and hold in Figure 31 displays. Solving LED Issues 51 You forget the Switch's default IP address, or you forget the User Name or Password that you can be lost . Recovering the... Switch will be lost . Figure 31 Fail Safe Mode Page f To upgrade the firmware, click Browse, and follow the...
... or when the LED flashes, release the recovery button. Refer to be used for details. 2 Turn off the Switch. 3 Press and hold in Figure 31 displays. Solving LED Issues 51 You forget the Switch's default IP address, or you forget the User Name or Password that you can be lost . Recovering the... Switch will be lost . Figure 31 Fail Safe Mode Page f To upgrade the firmware, click Browse, and follow the...
User Manual
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 65 I ...
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 65 I ...