User Guide
Page 4
... Prioritization 40 List of Detected Phones 41 Upgrading the Firmware 41 Downloading Firmware Updates 41 Installing the Firmware on the Switch 42 5 TROUBLESHOOTING Resetting to Factory Defaults 43 Forgotten Password 44 Forgotten Static IP Address 44 Solving LED Issues 44 Solving Corrupted Firmware 45 If the Problem Persists 45 A OBTAINING SUPPORT FOR YOUR...
... Prioritization 40 List of Detected Phones 41 Upgrading the Firmware 41 Downloading Firmware Updates 41 Installing the Firmware on the Switch 42 5 TROUBLESHOOTING Resetting to Factory Defaults 43 Forgotten Password 44 Forgotten Static IP Address 44 Solving LED Issues 44 Solving Corrupted Firmware 45 If the Problem Persists 45 A OBTAINING SUPPORT FOR YOUR...
User Guide
Page 24
... system Allows you to securely log off the Web interface Buttons Depending on the screen that are connected to the Switch Allows you to upgrade the firmware on the Switch. Displays 3Com contact information and describes how to "Automatic IP Configuration" on page 29. This sticker contains the MAC address and default IP address of the...
... system Allows you to securely log off the Web interface Buttons Depending on the screen that are connected to the Switch Allows you to upgrade the firmware on the Switch. Displays 3Com contact information and describes how to "Automatic IP Configuration" on page 29. This sticker contains the MAC address and default IP address of the...
User Guide
Page 28
... request for technical assistance from 3Com Support, you may be asked to print out the information on the Switch DHCP Client Shows Enable if the Switch obtained its MAC address table. The default admin account settings are: ■ User name - By default, the Switch does not have any ) ... configurable. If this is password-protected. IP Address Displays the IP address that is assigned to the Switch, whether it was obtained from accessing the Web interface and modifying the Switch's settings, the interface is your first time to the Switch Gateway Displays the gateway address (if any...
... request for technical assistance from 3Com Support, you may be asked to print out the information on the Switch DHCP Client Shows Enable if the Switch obtained its MAC address table. The default admin account settings are: ■ User name - By default, the Switch does not have any ) ... configurable. If this is password-protected. IP Address Displays the IP address that is assigned to the Switch, whether it was obtained from accessing the Web interface and modifying the Switch's settings, the interface is your first time to the Switch Gateway Displays the gateway address (if any...
User Guide
Page 29
... necessary for the Discovery application to be 169.254.1.2. This sticker contains the MAC address and default IP address of the Switch. The IP address would be able to connect to itself . 2 If this default IP address is case-sensitive. 5 Click Apply. If you forget the administration password after you power on the network have not...
... necessary for the Discovery application to be 169.254.1.2. This sticker contains the MAC address and default IP address of the Switch. The IP address would be able to connect to itself . 2 If this default IP address is case-sensitive. 5 Click Apply. If you forget the administration password after you power on the network have not...
User Guide
Page 30
... 4: CONFIGURING THE SWITCH 3Com recommends using DHCP or assigning a static IP address) to ensure successful communication between this Switch and management stations on the menu. Setting the IP Address To set to Static. Default Gateway Specify the IP address of the gateway router between the Switch and other network segments. The IP address that displays the Switch's MAC or physical...
... 4: CONFIGURING THE SWITCH 3Com recommends using DHCP or assigning a static IP address) to ensure successful communication between this Switch and management stations on the menu. Setting the IP Address To set to Static. Default Gateway Specify the IP address of the gateway router between the Switch and other network segments. The IP address that displays the Switch's MAC or physical...
User Guide
Page 41
...3Com Baseline Switch 2226 Plus. Select to perform: 1 Download the firmware upgrade file from the 3Com Web site 2 Install the new firmware on the Switch. By default, this option is installed on the Switch Downloading Firmware Updates You can periodically check the 3Com Web site (www.3Com...selected. Disable Phone Prioritiza- The Download Search Results page displays any of IP phones that are connected to the Switch. Upgrading the Firmware 41 Table 12 IP Phone Prioritization Options Option Description Enable NBX Phone Prioritization Select to automatically detect...
...3Com Baseline Switch 2226 Plus. Select to perform: 1 Download the firmware upgrade file from the 3Com Web site 2 Install the new firmware on the Switch. By default, this option is installed on the Switch Downloading Firmware Updates You can periodically check the 3Com Web site (www.3Com...selected. Disable Phone Prioritiza- The Download Search Results page displays any of IP phones that are connected to the Switch. Upgrading the Firmware 41 Table 12 IP Phone Prioritization Options Option Description Enable NBX Phone Prioritization Select to automatically detect...
User Guide
Page 43
... not listed here and you cannot solve it, check the 3Com Knowledgebase at http://knowledgebase.3com.com before contacting your settings. You will perform automatic IP configuration after you reset it. The Switch will need to take. CAUTION: Resetting the Switch to its factory defaults. See "Automatic IP Configuration" on page 29 for illustration. 2 Power off the...
... not listed here and you cannot solve it, check the 3Com Knowledgebase at http://knowledgebase.3com.com before contacting your settings. You will perform automatic IP configuration after you reset it. The Switch will need to take. CAUTION: Resetting the Switch to its factory defaults. See "Automatic IP Configuration" on page 29 for illustration. 2 Power off the...
User Guide
Page 44
...you need to reset the Switch to regain access. blank (no password) Forgotten Static IP Address If you forget the static IP address that are related to the LEDs on using the Discovery application, refer to the Web interface again using the default admin account settings: ... interface. For information on page 18 for 10BASE-T operation only. Verify that the workstation's network interface is required for 100BASE-TX or 1000BASE-T. 3Com recommends Category 5e or 6 cables for instructions. See "Resetting to a workstation, that : ■ The device being used . admin ■...
...you need to reset the Switch to regain access. blank (no password) Forgotten Static IP Address If you forget the static IP address that are related to the LEDs on using the Discovery application, refer to the Web interface again using the default admin account settings: ... interface. For information on page 18 for 10BASE-T operation only. Verify that the workstation's network interface is required for 100BASE-TX or 1000BASE-T. 3Com recommends Category 5e or 6 cables for instructions. See "Resetting to a workstation, that : ■ The device being used . admin ■...
User Guide
Page 67
INDEX Numbers 1000BASE-LX 61 1000BASE-SX 61 1000BASE-T 61 100BASE-TX 61 10BASE-T 61 A auto IP configuration 29 default IP address 29 default mask 29 autonegotiation 7, 32 autosensing 7 B bandwidth 61 C client 62 configuration overview 27 connecting network device 17 SFP transceivers 18 conventions notice icons, About...DHCP 62 Discovery 21 dynamic host control protocol See DHCP E Ethernet 62 F fail-safe mode 43, 45 Fast Ethernet 62 flow control 33 forgotten IP address 44 forgotten password 44 free-standing 14 front panel Duplex LEDs 12 Link/Activity LEDs 10 Module Active LEDs 10 Power LED 11 RJ...
INDEX Numbers 1000BASE-LX 61 1000BASE-SX 61 1000BASE-T 61 100BASE-TX 61 10BASE-T 61 A auto IP configuration 29 default IP address 29 default mask 29 autonegotiation 7, 32 autosensing 7 B bandwidth 61 C client 62 configuration overview 27 connecting network device 17 SFP transceivers 18 conventions notice icons, About...DHCP 62 Discovery 21 dynamic host control protocol See DHCP E Ethernet 62 F fail-safe mode 43, 45 Fast Ethernet 62 flow control 33 forgotten IP address 44 forgotten password 44 free-standing 14 front panel Duplex LEDs 12 Link/Activity LEDs 10 Module Active LEDs 10 Power LED 11 RJ...
User Guide
Page 68
... switch defined 64 T TCP/IP 63 defined 64 traffic 65 monitoring 39 setting the priority 40 traffic prioritization 8, 40 IP phones 8 priority queuing 8 traffic priority levels 8 troubleshooting 43 corrupted firmware 45 forgotten IP address 44 forgotten password 44 LED-related issues 44 POST failed 17 trunking See link aggregation U user name default 28 V viewing detected IP...
... switch defined 64 T TCP/IP 63 defined 64 traffic 65 monitoring 39 setting the priority 40 traffic prioritization 8, 40 IP phones 8 priority queuing 8 traffic priority levels 8 troubleshooting 43 corrupted firmware 45 forgotten IP address 44 forgotten password 44 LED-related issues 44 POST failed 17 trunking See link aggregation U user name default 28 V viewing detected IP...