User Manual

24-Port and 48-Port Gigabit Ethernet PoE+ Smart Switches with 4 SFP Ports
Maintain or Troubleshoot the switch User Manual513
When this option is enabled, all switch memories and switch registers are dumped to a
file with a prefix of reg. This option is disabled by default.
13. To test if a core dump can be written to the USB device (available only if you specified USB
as the protocol), do the following:
a. Select the W
rite Core Test check box.
CAUTION:
Make sure that the Write Core check box is cleared when you click the
Apply button. Otherwise, the switch reboots.
b. Click the Apply button.
A pop-up window displays and displays the test results. You can verify if the
configured settings are correct and if the USB device is accessible.
The core dump file
name that you entered in the File Name field is used as the destination.
14. T
o write a core dump to the USB device (available only if you specified USB as the
protocol), do the following:
a. Select the W
rite Core check box.
CAUTION:
The switch reboots after you click the Apply button.
b. Click the Apply button.
The core dump is written to the USB device and the switch reboots.
15. T
o save the configuration settings, select the Save Current Settings check box.
By default, this check box is selected. You can clear the check box only if you first select
the W
rite Core check box.
CAUTION:
Make sure that the Write Core check box is cleared when you click the
Apply button. Otherwise, the switch reboots.
16. Click the Apply button.
Your settings are saved.
You cannot log in to the switch
After you enter the wrong password three times, your switch blocks further attempts to log in.
The block lasts longer each time until you get the password right:
• After 3 times: 5 minutes
• After 6 times: 10 minutes