5-36
Used Used physical memory.
Free Free physical memory.
Shared Physical memory shared by processes.
Buffers Physical memory used for buffers.
Cached Physical memory used for caches.
FreeRatio Free memory ratio.
-/+ Buffers/Cache
-/+ Buffers/Cache:used = Mem:Used – Mem:Buffers – Mem:Cached,
which indicates the physical memory used by applications.
-/+ Buffers/Cache:free = Mem:Free + Mem:Buffers + Mem:Cached,
which indicates the physical memory available for applications.
Swap Swap memory.
Displaying the temperature information of the
firewall
Use the display environment command to display the temperature information of the firewall.
<Sysname> display environment
System Temperature information (degree centigrade):
--------------------------------------------------------------------------------
---------
Slot Sensor Temperature LowerLimit Warning-UpperLimit Alarm-UpperLimit
Shutdown-UpperLimit
1 inflow 1 31 0 47 52
60
1 outflow 1 39 0 68 80
88
1 hotspot 1 47 0 63 68
75
1 hotspot 2 54 0 84 97
102
Table5-4 Output description
Sensor
Temperature sensor:
• inflow—Air inlet vent temperature sensor.
• outflow—Air outlet vent temperature sensor.
• hotspot—Hotspot temperature sensor.
Temperature Current temperature.
LowerLimit Low temperature alarm threshold.
Warning-UpperLimit Warning-level high temperature alarm threshold.
Alarm-UpperLimit Alarm-level high temperature alarm threshold.
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