Replace a Sensor SFP or Sensor Module

This article explains how to replace a failed Sensor SFP or Sensor Module that is sending or reflecting live TWAMP measurement sessions.

To replace the device:

1. In the Legacy Orchestrator, stop all sessions where the Sender interface(s) VCEs are associated with the failed Sensor SFP or Sensor Module device.

2. Physically remove the failed device and replace it with new one.

3. In the Sensor Control Management Web Interface, get the MAC address (Base MAC) of the new device.
   Choose Discovery > Inventory, then click the device serial number.
   CAUTION: Do not add the discovered new device into the Remote Devices list.
   

4. Copy and paste the Base MAC value into Remote Devices> (select device) > MAC Address, where the device is showing the old device.
   The device state will show as Connecting.
   

5. Click Apply.
   In Remote Devices > Configuration, the device state will show as Connected.

6. View and record the VCE for the failed device. Choose Virtual Connection> VCE, then click on the VCE name.
   Important: Take note of the VCE Name and Remote Device Name for later use.
   

7. Delete the VCE using Delete button at bottom of VCE configuration page.

8. Recreate the VCE using the same VCE Name and Remote Device Name recorded in Step 6.

9. Click Apply

10. In the Legacy Orchestrator Management Web Interface, manually resync Sensor Control. Choose Devices > Managed Elements, select the appropriate Sensor Control (SC), and click Resync.
    Once resync is complete, restart all sessions that were stopped in step 1.

11. Check that the TWAMP sessions using this device are now operational.