User Guide
Page 4
Viewing Port Settings 31 Default Port Settings 31 Changing a Port's Settings 32 Configuring VLANs 33 Creating a VLAN 34 Sample VLAN Configurations 35 Removing a VLAN 36 Configuring Link Aggregation 36 Trunk ... IP Phone 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...
Viewing Port Settings 31 Default Port Settings 31 Changing a Port's Settings 32 Configuring VLANs 33 Creating a VLAN 34 Sample VLAN Configurations 35 Removing a VLAN 36 Configuring Link Aggregation 36 Trunk ... IP Phone 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...
User Guide
Page 28
... accessing the Web interface and modifying the Switch's settings, the interface is assigned to actively manage the switch, 3Com recommends that is currently installed on the Switch DHCP Client Shows Enable if the Switch obtained its MAC address table. tration Password screen appears. 2 In Old Password, type your network. By default, the Switch does not have any ) that is...
... accessing the Web interface and modifying the Switch's settings, the interface is assigned to actively manage the switch, 3Com recommends that is currently installed on the Switch DHCP Client Shows Enable if the Switch obtained its MAC address table. tration Password screen appears. 2 In Old Password, type your network. By default, the Switch does not have any ) that is...
User Guide
Page 29
... IP configuration, check the sticker on the network to itself . 2 If this default IP address is found. This is case-sensitive. 5 Click Apply. The Switch also assigns the subnet mask 255.255.0.0 (default class B mask) to it , refer to "Forgotten Password" on how to regain access to the Web interface. Modifying the IP Address...
... IP configuration, check the sticker on the network to itself . 2 If this default IP address is found. This is case-sensitive. 5 Click Apply. The Switch also assigns the subnet mask 255.255.0.0 (default class B mask) to it , refer to "Forgotten Password" on how to regain access to the Web interface. Modifying the IP Address...
User Guide
Page 44
...to Factory Defaults" on and operating correctly. ■ The cable is connected at the far end is off . Refer to "Approved SFP Transceivers" on basic LED checks, refer to the following topics in good condition. ■ The SFP module is correctly inserted. ■ A 3Com SFP ...interface. 44 CHAPTER 5: TROUBLESHOOTING Forgotten Password If you forget the password to the Web interface after you set it, you need to reset the Switch to regain access. admin ■ Password - For information on page 18 for 1000BASE-T operation. blank (no password) Forgotten Static IP Address If you...
...to Factory Defaults" on and operating correctly. ■ The cable is connected at the far end is off . Refer to "Approved SFP Transceivers" on basic LED checks, refer to the following topics in good condition. ■ The SFP module is correctly inserted. ■ A 3Com SFP ...interface. 44 CHAPTER 5: TROUBLESHOOTING Forgotten Password If you forget the password to the Web interface after you set it, you need to reset the Switch to regain access. admin ■ Password - For information on page 18 for 1000BASE-T operation. blank (no password) Forgotten Static IP Address If you...
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 ...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-45 ports 9 self-adhesive...
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 ...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-45 ports 9 self-adhesive...
User Guide
Page 68
...64 SFP ports 8, 11 SFP transceivers 18 approved (supported) 18 inserting 18 removing 19 speed/duplex 33 spot checks 19 subnet mask 64 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 phones 41 individual port statistics 38 port settings 31 statistics 38 status ...
...64 SFP ports 8, 11 SFP transceivers 18 approved (supported) 18 inserting 18 removing 19 speed/duplex 33 spot checks 19 subnet mask 64 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 phones 41 individual port statistics 38 port settings 31 statistics 38 status ...