There are multiple official products from Juniper that allow you to ingest Junos Telemetry Interface (JTI) data. However, I ran into couple of situations where I needed to do very quick testing of JTI without full product setup (due to licensing, test scale, and sometimes air gapped infra, etc.).

Telegraf is an extensible, open source server agent to help you collect metrics from your stacks, sensors, and systems. With telegraf, you can use inputs to ingest incoming data from plenty of data sources and formats including OpenTelemetry gRPC, and then redirect them to outputs like InfluxDB or Splunk. The good news is that there exists a plugin for parsing UDP-based Native JTI with telegraf, but unfortunately it is no longer maintained since over 4 years.

I created a fork of the plugin and merged it with telegraf v1.22, and got to a point where it does serve me well for my quick test cases. Here’s how to do quick Junos Telemetry Interface ingest testing using telegraf: Read More »