Allied Telesis AT-WA7501 - Manual (Page 296)

Chapter 9: Additional Access Point Features
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sdvars set setactivepointers
Purpose:
Sets the setactivepointers command to change inactive segments to
active segments the next time the access point is rebooted. This
command is usually used with the nextpoweruptime command.
Syntax:
sdvars set setactivepointers none/boot/data/both
where:
none does not change the active segments. The default is none.
Also, when the reboot is completed, the access point resets
this value to none.
boot changes the inactive boot segment to the active boot
segment.
data changes the inactive data segment to the active data
segment.
both changes both the boot and data inactive segments to the
active segments.
Example:
To change the inactive boot and data segments to active at the next
reboot, enter:
sdvars set setactivepointers both
sdvars set nextpoweruptime
Purpose:
Sets the nextpoweruptime command to set the internal variable
nextpoweruptime to a countdown time so that when 0 is reached, the
access point will reboot. When the nextpoweruptime counter reaches 0,
the access point checks the value of the setactivepointers variable, takes
the appropriate action, and then reboots.
Note
If you need to terminate the reboot, you can set nextpoweruptime to
0 if it has not already been reached by the countdown. By resetting
nextpoweruptime to 0, the timer stops so the access point does not
reboot.