3com 3CBLSF26H Manual De Usuario

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4-1 
4  
Troubleshooting 
This chapter lists some issues that you may encounter while installing, using, and managing the switch, 
with suggested courses of corrective action to take. 
If you encounter an issue that is not listed here and you cannot solve it, check the 3Com 
Knowledgebase at http://knowledgebase.3com.com.before contacting your local technical support 
representative. 
Resetting to Factory Defaults 
If the switch does not operate normally or if the firmware becomes corrupted, you can reset the switch to 
factory defaults. 
 
Resetting the switch to factory defaults erases all your settings. You will need to reconfigure the 
switch after you reset it. 
The switch will perform automatic IP configuration after you reset it. See Configuring IP Address for 
more information. 
 
To reset the switch to its factory defaults by the following ways: 
Web interface 
Accessing the Web interface, and then pressing the “RESET” on the Initialize tab of the Administration 
menu. After you click “Initialize all information”, a confirmation message appears, Click OK to confirm. 
CLI 
Using the restore command through the Console Port (See CLI Reference Guide).  
Forgotten Password 
If you forget the password to the Web interface after you set it, you can regain access by the following 
ways:. 
Reset the switch 
See Resetting to Factory Defaults for instructions. 
After resetting the switch, log on to the Web interface using the default admin account settings: 
User name: admin 
Password:  blank (no password)