Using Additional 6900/8900 Platform Functionality
Platform Guide: 6900 and 8900 4 - 1
Understanding indicator LED behavior
It helps to understand the indicator LED behavior of the BIG-IP software,
on the 6900/8900 platform.
Indicator LED behavior
The appearance and behavior of each LED indicate the status of the system.
Table 4.1 defines the indicator LED behavior.
Standard operating states
When the system is in a standard operating state, the status and alarm LEDs
appear and behave in a specific manner. Table 4.2 defines the standard
operating states for the status and alarm LEDs.
Appearance Description
Off (none) The LED is not lit and does not display any color.
Solid The LED is lit and does not blink.
Blinking The LED turns on and off at a regular frequency.
Intermittent The LED turns on and off with an irregular frequency
and may sometimes appear solid.
Table 4.1 Indicator LED behavior
LED State Description
Status off No main (non-standby) power.
green System is running in normal mode.
yellow System is running in an impaired mode.
The condition is not considered significant enough
register as an alarm.
Alarm off No alarm conditions exist.
red Severe alarm–system is not running.
The condition is possibly damaging to the system.
yellow Non-severe alarm–system is running improperly.
The condition is not considered to be damaging to the
system.
Table 4.2 Standard operating states of the status and alarm LEDs
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