Verify alarms

Updated: July 31, 2026

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Use this procedure to verify active, historical, brief, or detailed alarm information and confirm whether NCS 1001 reports any current conditions.

Review alarm information to identify active or historical issues.

The show alarms command displays alarm information in brief or detailed form.

Follow these steps to verify the alarms:

Procedure

Example:

RP/0/RP0/CPU0:ios# show alarms brief card location 0/RP0/CPU0 active
Sun Mar  5 03:27:57.137 CET

------------------------------------------------------------------------------------
Active Alarms
------------------------------------------------------------------------------------
Location        Severity     Group            Set Time                   Description



------------------------------------------------------------------------------------
0/3             Critical     Controller       03/02/2017 14:51:45 CET    Ots0/3/
0/2 - Output OTS Power Reading Below The Fail-Low Threshold

0/3             Minor        Controller       03/04/2017 06:32:27 CET    Optics0
/3/0/4 - Optics Low Receive Power

The output displays alarm location, severity, group, set time, and description, helping you confirm whether NCS 1001 reports any current conditions.

What to do next

For more information about alarms and steps to clear them, see the Alarm Troubleshooting chapter of the Cisco NCS 1001 Troubleshooting Guide.

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Open a support case

(Requires a Cisco Service Contract)

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