This is the documentation for the 20.08 version. Looking for the documentation of the latest version? Have a look here.
Monitoring of a TNSR system, either locally or remotely, can be accomplished in several ways:
From the CLI, using
API Endpoints which provide state information.
Through the SNMP service
Through the Prometheus exporter service (Dataplane statistics only)
Refer to the REST API documentation and RESTCONF Service Setup with Certificate-Based Authentication and NACM for details and examples for configuration and use of the RESTCONF API.