The ALARM LED lights yellow to indicate a minor condition
that requires monitoring or maintenance and lights red to indicate
a major condition that can result in a system shutdown. When the condition
is corrected, the light turns off. Table 13 describes the ALARM LED.
Table 13: ALARM LED
Color
State
Description
Red
On steadily
Major alarm indicates a critical situation on the router that
has resulted from one of the following conditions. A red alarm condition
requires immediate action:
One or more hardware components have failed.
One or more hardware components have exceeded temperature
thresholds.
An alarm condition configured on an interface has triggered
a critical warning.
Yellow
On steadily
Minor alarm condition requires monitoring or maintenance:
Indicates a noncritical condition on the router that,
if left unchecked, might cause an interruption in service or degradation
in performance.
A missing rescue configuration or software license generates
a yellow system alarm.
