Configuration Guide for Cisco NCS 1001, IOS XR Release 25.x.x

Stop OTDR measurement

Updated: October 14, 2026

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Use this procedure to stop an OTDR measurement that is running in automatic or expert mode and verify that the scan is stopped.

Stop an OTDR measurement when the current scan must be canceled.

The same abort command applies to automatic and expert modes.

Procedure

Stop the OTDR scan for the selected slot and port.

hw-module slot slot-number otdr port port-number scan abort
Example:
```
hw-module slot 3 otdr port 1 scan abort
```

Use the show hw-module command to display OTDR status to verify the abort state.

Example:

show hw-module slot 3 otdr status

Port | Rx/Tx | Date/Time       | Training | OTDR Measurement | Next scan (min)
-----+-------+-----------------+----------+------------------+----------------
  1  |  Tx   | 20190927-102727 | ABORTED  | UNKNOWN          | 0

Example:

show hw-module slot 3 otdr status

Port | Rx/Tx | Date/Time       | Training | OTDR Measurement
-----+-------+-----------------+----------+-----------------
  1  |  Tx   | 20180503-181159 | UNKNOWN  | ABORTED

The selected OTDR measurement is stopped.

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