Resets an attribute of an instance to its default value. To reset the
kernel
or ramdisk
, the instance must be in a stopped state. To reset
the sourceDestCheck
, the instance can be either running or stopped.
The sourceDestCheck
attribute controls whether source/destination
checking is enabled. The default value is true
, which means checking
is enabled. This value must be false
for a NAT instance to perform
NAT. For more information, see NAT Instances
in the Amazon Virtual Private Cloud User Guide.