enable netflow for fortigate firewall

[yeowkm99]

Can i enable netflow on my fortigate firewall to send data to Opmanager?

[ozkanaltas]

Hello @yeowkm99 ,

Yes you can. 

You can follow this document for configure netflow on FortiGate.

https://community.fortinet.com/t5/FortiGate/Technical-Tip-How-to-Configure-Netflow/ta-p/196080

https://docs.fortinet.com/document/fortigate/7.4.4/administration-guide/998643/netflow

[yeowkm99]

i have two entry level 100E and 100F. will enabling netflow on these fortigate slow down the performance of the firewall ?

[ozkanaltas]

Hello @yeowkm99 ,

If you are going to configure netflow, I think it will have a low impact on performance because netflow packets can be processed on the NPU side. But if you are going to configure sFlow, it will probably have a high impact on performance because sFlow packets can be processed on the CPU instead of the NPU.

https://community.fortinet.com/t5/FortiGate/Technical-Tip-Best-practices-for-performance-acceleratio...

https://docs.fortinet.com/document/fortigate/7.6.0/hardware-acceleration/631057/sflow-and-netflow-an...

https://docs.fortinet.com/document/fortigate/7.6.0/hardware-acceleration/47902/fortigate-100f-and-10...

https://docs.fortinet.com/document/fortigate/6.4.5/hardware-acceleration/719639/fortigate-100e-and-1...