F5 8400, User Manual

Page: 42 / 91

Chapter 4
4 - 2
Standard operating states
When the unit is in a standard operating state, the LEDs behave in a defined
manner. The standard operating states are defined in Table 4.3.
Important
An 8400 platform that shows no light on the Activity LED during regular
operations is functioning normally. For information about a green solid
Activity LED on an 8400 platform, see
Green solid Activity indicator LED ,
on page 4-4.
Alert conditions indicated by the Alarm LED
When there is an alert condition on the unit, the Alarm LED behaves in a
specific manner. Table 4.4 lists the Alarm and the corresponding LED
behavior.
Table 4.4 Indicator LED functions
Configuring indicator LEDs to display node status
Alerts that cause the indicators to change are defined in the
/etc/alertd/alert.conf and /config/user_alert.conf files on the BIG-IP
system. You should only edit /config/user_alert.conf to add new alerts. The
/etc/alertd/alert.conf defines standard system alerts.
System State Alarm LED Activity LED Status LED
Power is off off/none off/none off/none
Standby mode off/none green or yellow intermittent yellow solid
Active mode off/none green or yellow intermittent green solid
Table 4.3 Standard operating states of the LEDs
System Situation Alarm LED behavior
Emergency The LED blinks red.
Alert or Critical The LED is lit red.
Error The LED is blinks yellow.
Warning The LED is lit yellow.