Grafana is an open source tool that displays graphs and counters for data streamed from network devices. Cisco uses Grafana to create graphical visualizations of network telemetry on Cisco IOS XE devices, which support model-driven telemetry. Model-driven telemetry is a new approach for network monitoring in which data is streamed from network devices continuously using a push model and provides near real-time access to operational statistics. Applications can subscribe to specific data items they need, by using standard-based YANG data models over NETCONF-YANG. Cisco IOS XE streaming telemetry allows to push data off of the device to an external collector at a much higher frequency, more efficiently, as well as data on-change streaming. Grafana uses the data from InfluxDB database to build dashboards and graphs. InfluxDB is a time-series database that stores the telemetry data received from the network devices. Telegraf is an agent that collects the telemetry data from the network devices and pushes it to InfluxDB. The TIG software stack refers to the three open-source software components that enable receiving, storing, and visualization the telemetry data: Telegraf, InfluxDB, and Grafana. References :=
Enterprise Streaming Telemetry and You: Getting Started with Model Driven Telemetry - Cisco Blogs
Explore Model-Driven Telemetry - Cisco Blogs
Telemetry Configuration Guide for Cisco 8000 Series Routers, IOS XR Release 7.8.x - Dial-Out Telemetry Session from Router to Destination
Free 350-701 Implementing and Operating Cisco Security Core Technologies Practice Test Questions
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