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SD-WAN NetFlow: Collecting Both Underlay and Overlay Information

Regarding Cisco SD-WAN NetFlow, I understand that, by default, the cflow configuration is applied on the vSmart side to collect ”Overlay” information.

Is it possible to collect the information for both Overlay and Underlay, and send to a NetFlow collector?

From the documentation, it seems that the following configuration might allow collecting Underlay information via NetFlow:
https://www.cisco.com/c/en/us/td/docs/routers/sdwan/configuration/policies/ios-xe-17/policies-book-xe/traffic-flow-monitor.html#concept_vys_csp_jrb

If the above performance monitor context xxx profile sdwan-fnf is applied to a WAN interface (e.g., Gi0/0/0), will it capture both Underlay and Overlay traffic?

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