SLS is included as part of the resident firmware package that is installed as part of Branch Gateway firmware upgrade. However, for SLS to function correctly, the following conditions must be met:
CM must be configured for SLS and Auto Fallback.
Branch Gateway can be manually configured for SLS and Auto Fallback using the CLI.
SLS must be enabled on Branch Gateway.
To activate any saved changes within SLS, the disable and enable SLS commands must be used together.