After the optional step of uploading the apptelemetry.pol file to flash memory using ExtremeCloud IQ - Site Engine, activate Application Telemetry by configuring the following:
Configure the IP address of the egress interface for the GRE tunnel with the sFlow agent-ip command.
Enable sFlow with the sflow enable command.
Configure the IP address of the Analytics Engine with the sFlow collector 1 command.
Enable Application Telemetry with the app-telemetry enable command.
The following figure shows the Application Telemetry agent on various routers and switches with packets being sent to the Analytics Engine.


| Number | Description | 
|---|---|
| 1 | Analytics Engine | 
| 2 | GRE tunnels | 
| 3 | Application Telemetry agents |