Monitor subinterfaces and get NetFlow statistics

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Monitor subinterfaces and get NetFlow statistics

L3 Networker


We have a PA-5020 and configured a few AGG interfaces with subinterface; recently, we installed a SolarWinds NTA to get NetFlow statistics, but I am not able to get anything from this device.

I have created a profile and applied to the subinterface through which the Internet traffic goes, but it does not send any information to the NetFlow collector.


Also, is there a way we can monitor the AGG and subinterfaces using SNMP?

We do manage the device with SNMP through the management interface and I can see the physical interfaces, but not the AGG and subinterfaces.

Thank you very much.


Accepted Solutions

L6 Presenter

Hello MMC,

As long as I know Netflow/SNMP are allowed only on Physical Interfaces.

Please find bellow mentioned FR No.

Netflow on Sub interfaces FR#3058

SNMP on Sub interfaces FR#780


Hardik Shah

View solution in original post


L7 Applicator

Hello MMCiobanu,

Could you please let me know the type of Netflow you have configured here.

With the exception of vendor specific variations of NetFlow, there are 2 different implementations of NetFlow:

  • Standard Netflow: The standard NetFlow implementation will collect all IP traffic information.
  • Sampled Netflow: Only 1 out of x packets is processed. For internet backbones is standard NetFlow to resource intensive, that's why they only collect samples instead of all the traffic.

The Palo Alto Networks firewall supports the standard NetFlow implementation.


L7 Applicator

Hello MMCiobanu,

Prior to PAN-OS 6.0.0, NetFlow data could not be exported on a per-subinterface basis. Starting in PAN-OS 6.0.0, NetFlow data can be exported on a per-subinterface basis.

Bug 43280 - Exported Netflow Logs Aggregates Sub-interface Data


It is standard netflow.

Will version 6 also enable monitoring AGG and subinterfaces? I believe, if the interface is not seen through SNMP from the device, the collector cannot get the Netflow information; not quite sure though.

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