System Setup and Software Installation Guide for Cisco Optical Site Manager, IOS XR

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Deactivate Cisco Optical Site Manager

Updated: March 2, 2026

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Overview

Learn how to deactivate the Cisco Optical Site Manager when IP address changes, HA migration, device relocation, or reinstallation is required.

Deactivating Cisco Optical Site Manager should be performed only when:

  • A change in the IP address of the Cisco Optical Site Manager instance is required.

  • The deployment is transitioning from a standalone setup to a high availability (HA) configuration.

  • The device hosting Cisco Optical Site Manager is being decommissioned and needs to be relocated to another device within the same aggregation site.

  • The Cisco Optical Site Manager installation is incomplete or corrupted and requires removal and reinstallation.

Note

Deactivating Cisco Optical Site Manager for general debugging or troubleshooting is not recommended.

Warning

Deactivating Cisco Optical Site Manager removes its database and the Disaster Recovery backup.

Before you begin

Before deactivating Cisco Optical Site Manager:

  • Create a backup of Cisco Optical Site Manager database. For more details, see Backup and Download Database .

  • Download the current diagnostic logs in case required for troubleshooting. For more details, see View Cisco Optical Site Manager Diagnostics .

  • Ensure that all the devices are in sync completed state in Cisco Optical Site Manager. If multiple devices are managed in Cisco Optical Site Manager, prepare to delete all associated devices simultaneously.

Follow these steps to deactivate Cisco Optical System Manager from your host devices. This process is not traffic impacting.

Procedure

1.

Perform these steps from the Cisco Optical Site Manager WEB-UI.

  1. Lock the devices.

  2. Back up the device configuration.

  3. Unlock the devices.

  4. Wait for synchronization to complete for all devices.

  5. Select all devices and delete them from the Cisco Optical Site Manager.
2.

Perform these steps from the IOS XR CLI.

  1. Run the no lldp system-description command to remove the LLDP system description on each device deleted from the Cisco Optical Site Manager.

    Example:

     
RP/0/RP0/CPU0:COSM_OLT-4_215#configure terminal
Thu Oct 23 16:34:24.928 +0530
RP/0/RP0/CPU0:COSM_OLT-4_215(config)#no lldp system-description
RP/0/RP0/CPU0:COSM_OLT-4_215(config)#commit

  2. Run the cosm deactivate command to deactivate the Cisco Optical System Manager.

    Example:

    RP/0/RP0/CPU0:ios# cosm deactivate

  3. Run the show cosm status command to verify the status of the Cisco Optical Site Manager instance.

    Example:

    
RP/0/RP0/CPU0: ios#show cosm status
COSM state: APP DEACTIVATED
AppMgr app state: DEACTIVATED
AppMgr container state: UNKNOWN
Container status: Not present
Last error: No error
COSM version: 24.3.1.D0186