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Flexible Net-flow sources questions

sobvlarwinds2020

I have configured flexible net-flow on core switch which is working fine. In the flexible net-flow exporter profile , I have selected source interface as loop-back 0 which is reachable to NTA server. My question is why Solar-wind NTA sources don't show me only loopback 0 interface as trusted net-flow source and shows me all the interfaces on core switch when any kind of traffic is activated on that interface. ?

Similar is the case for my branch routers where Flexible net-flow has been called inbound and outbound only on the LAN interface with source as LAN interface but net-flow sources shows me both LAN and WAN interfaces as trusted net-flow sources.

I have called the net-flow monitor profile inbound on all the interfaces on core switch.

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ioan_bucsa

You should be seeing NetFlow coming from all interfaces that have it enabled. The newer NetFlow sources view will show you all interfaces that are discovered on a node, but only the ones sending NetFlow are marked as Enabled and have a "Last received" timestamp.