To add a USM Appliance deployment connection to a USM Central instance, you must initiate a connection from the USM Appliance web UI. The connection request from a USM Appliance deployment requires a token that you generate in the USM Central instance.
Version 5.4.3 or later is required to add a USM Appliance deployment connection. Port 443 must be open between a USM Appliance and a USM Central instance.
To generate a token for a USM Appliance connection
  1. In USM Central, go to Settings > Deployments.
  2. Click Connect to Existing Deployment. The Connect to Existing Deployment dialog box opens.
  3. Click the icon next to USM Appliance.
  4. Enter a name for the deployment that you want to connect.
  5. Click Generate Token.
  6. Click the icon to copy the token to your clipboard.
  7. Paste the token into a secured file and send it to the user that is responsible for the USM Appliance deployment.
  8. Click Got it, close.
To initiate a connection to USM Central from USM Appliance
  1. In the USM Appliance web UI, go to Configuration > Deployment > Components > Servers.
  2. Click the Connect to USM Central link.
  3. Enter the token generated from USM Central.
  4. Click Connect. The system sends a request to the USM Central. Upon acceptance, your USM Appliance deployment is automatically connected.
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Disconnect a Connection

USM Appliance and USM Central enable you the option of disconnecting a connection. To disconnect a connection from the USM Central web UI
  1. Go to Settings > Deployments.
  2. Click the icon. The Disconnect Deployment dialog box opens.
  3. Choose one of these options:
    • Yes, disconnect deployment and purge all data: Use this option to disconnect the deployment and purge all historical data.
    • Yes, disconnect deployment BUT DO NOT purge all data: Use this option to disconnect the deployment. Alarms remain and your USM Anywhere shows them in the alarm list. The alarms are available if you connect the deployment again.
    • No, do not disconnect: Use this option to exit this dialog box without disconnecting the deployment.
To disconnect a connection from the USM Appliance web UI
  1. In the USM Appliance web UI, go to Configuration > Deployment > Components > Servers.
  2. Click Disable Connection. The Connection to USM Central dialog box opens.
    A dialog box opens.
  3. Click Yes, Disconnect.