Overview
Use this procedure to enable automated mode for devices that are fully gRPC MSL compliant in the domain.
The LCM Automated mode allows the system to operate without user intervention by automatically making changes in the network. It enables continuous, closed-loop detection and mitigation of network congestion in domains where all devices are fully gRPC MSL compliant. To meet this requirement, each device in the target domain must support gRPC protocol connectivity and have the gRPC MSL tag applied to indicate compliance. When Automated mode is enabled, the system monitors network congestion and automatically applies or removes Multiple Segment Lists (MSL) policies to mitigate congestion based on configured thresholds, reducing the need for manual intervention.
In Automated mode, LCM can deploy only Multiple Segment Lists (MSL) policies; PCE-initiated policies are not supported.
LCM also applies auto repair soluions in automated mode. It not only mitigates congestion but also identifies network issues and proactively addresses them.
Automated mode includes safeguards to detect excessive solution oscillation. If an interface experiences repeated deployment and removal of mitigation policies beyond the configured threshold, the system automatically pauses automated actions for that interface to maintain network stability.
Before you begin
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Complete all requirements in the Prepare devices for gRPC policy management to ensure all devices in the target domain are gRPC-enabled.
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Ensure you have created the "grpc_msl" or "GRPC_MSL" tag and assigned it to the compliant devices in Tag Management.
LCM will only deploy an MSL policy if this tag is present. In Automated mode, PCE-initiated policies are not supported. In manual mode, if the tag is missing, LCM will deploy a PCE-initiated policy.
To enable Automated mode, complete these steps:
Procedure
| 1. | From the main menu, choose . Click |
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| 2. | In the Advanced tab toggle the Operation mode option to Automated. If any device in the domain is missing the "grpc_msl" or "GRPC_MSL" tag or is not GRPC-configured, the system will prevent enabling Automated mode and display a list of non-compliant devices. 
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| 3. | In the Throttle mode threshold field, the maximum number of times LCM can apply or remove a solution on an interface within one hour. If policy changes on any interface exceed this threshold, LCM will pause automated actions for that interface and stop suggesting new solutions to maintain network stability. Paused events remain in this state until a user intervenes. You can review and resume paused policies from the operational dashboard as needed. Setting the value to 0 disables oscillation detection. |
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| 4. | Click Commit changes to save your configuration. After committing the configuration changes, LCM will display recommendations on the Operational dashboard if congestion occurs on any monitored interfaces. |
and then choose The LCM Operational dashboard displays the current interface and mitigation status that is associated with the domain. Automated mode will continuously monitor congestion and deploy or remove MSL policies as needed based on configured thresholds.
