[Click] netflow

[Enrico]

Hi, I resolved problems about todump, fromdump elements, thanks to all.

Now I try to work with netflow elements. I have installed these elements
and i try to run this configuration:

require(netflow);

FromDevice(eth0)->
Strip(14)-> 
CheckIPHeader()->
a::AggregateIPFlows->
NetflowExport(a)->
NetflowPrint(ok,OUTFILE stampa)->
->Discard;

I'd like view netflow output but "stampa" remains empty.
Can you help me?

Thank you,

Enrico