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T
5
ROUBLESHOOTING
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
your local technical support representative.
For more information on how to obtain support for
your Switch, refer to
Resetting to Factory Defaults
If the Switch does not operate normally or if the firm-
ware becomes corrupted, you can reset the Switch to
factory defaults.
CAUTION: Resetting the Switch to factory defaults
erases all your settings. You will need to reconfigure
the Switch after you reset it.
To reset the Switch to its factory defaults:
Using the tip of a pen (or a similar object), press the
1
Recovery button on the rear panel of the Switch. See
Figure 1
for illustration.
Power off the Switch, and then power it back on,
2
while keeping the Recovery button pressed.
Release the Recovery button.
3
before contacting
Appendix
A.
Reset the Switch either by:
4
Accessing the Web interface using Discovery, and
■
then pressing the RESET button on the Configura-
tion tab (see
Figure
click RESET, a confirmation message appears. Click
OK to confirm.
Powering off the Switch, and then powering it
■
back on.
The Switch will perform automatic IP configuration
after you reset it. See
on
page 29
for more information.
Figure 29 Configuration Tab
Forgotten Password
If you forget the password to the Web interface after
you set it, you will need to reset the Switch to regain
29) of System Tools. After you
"Automatic IP Configuration"
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