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2.4. Hardware Monitoring
Availability
Certain D-Link hardware models allow the administrator to use the CLI to query the current value of
various hardware operational parameters such as the current temperature inside the firewall. This
feature is referred to as Hardware Monitoring.
The D-Link NetDefend models that currently support hardware monitoring are the DFL-1600, 1660,
2500, 2560 and 2560G.
Configuring and performing hardware monitoring can be done either through the CLI or through the
Web Interface.
Enabling Hardware Monitoring
The System > Hardware Monitoring section of the Web Interface provides the administrator with
the following settings for enabling hardware monitoring when it is available:
Enable Sensors
Enable/disable all hardware monitoring functionality.
Default: Disabled
Poll Interval
Polling interval for the Hardware Monitor which is the delay in milliseconds between readings of
hardware monitor values.
Minimum value: 100
Maximum value: 10000
Default: 500
Using the hwm CLI Command
To get a list current values from all available sensors, the following command can be used:
gw-world:/> hwm -all
This can be abbreviated to:
gw-world:/> hwm -a
Some typical output from this command for two temperature sensors is shown below:
gw-world:/> hwm -a
Name Current value (unit)
--------------- --------------------
SYS Temp = 44.000 (C) (x)
CPU Temp = 41.500 (C) (x)
Note: The meaning of "(x)"
The "(x)" at the side of each the sensor listing indicates that the sensor is enabled.
2.4. Hardware Monitoring Chapter 2. Management and Maintenance
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