A P P E N D I X A | Runtime LED Diagnostics |
Runtime LED Diagnostics
Runtime Activity
At runtime, the LEDs provide information about system activity as described below.
Status LED
•Blinks on and off quickly when operating normally.
•Continuous on or off indicates troubled (hung) system.
Activity LEDs
The following table describes the runtime behavior of the Status and
Activity LEDs (Act 1, Act 2)
Runtime Errors
Status | Act 1 | Act 2 | Condition |
1 sec on, | Off | Off | DNS Server is Running |
1 sec off |
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1 sec on, | Solid | Off | 1000 – 3500 DNS Queries/sec |
1 sec off |
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1 sec on, | Solid | Solid | > 3500 DNS Queries/sec |
1 sec off |
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Solid | Solid | Solid | DNS Server is Down |
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Off | Off | Flash | NIC Failure |
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Flash | Flash | Flash | Health Montoring Failure (each LED |
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| lights in sequence) |
Runtime Errors
At runtime, the 7190’s
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