I've been using samplicator for a few years for this, it can be configured to forward based on sender ip/net, but it does not have an API. I'm using it because it's small, simple and does only one thing.

//JH

On 2021-01-21 15:39, Karsten Thomann via NANOG wrote:

Hi,

I don't know if pmacct has an API for it, but it can replicate netflow and also filter what it is forwarding.

https://github.com/pmacct/pmacct/blob/master/QUICKSTART

Beginning line 2093

Kind regards

Karsten

Am Donnerstag, 21. Januar 2021, 14:31:36 schrieb Drew Weaver:

> Good morning everyone,

>

> I am looking for a Netflow collector that can forward flows based on src

> ip/src net dst ip/dst net to another collector in either real or near time.

>

> If it can be configured via an API that is even better than having to edit

> configuration files.

>

> If anyone has any suggestions I would appreciate it.

>

> Thanks,

> -Drew