netflow to nagios network analyzer

[kinmun]

any one out there send netflow from fortigate to nagios network analyzer?

what port do we use, i manage to send over but cannot see the details, only the bandwidth graph

[kinmun]

when i do a diagnose sniffer, i get this error 

-FW01 # diagnose sniffer packet 'host 10.199.99.25' 6 0 a

interfaces=[host 10.199.99.25]

filters=[6]

pcap_open_live: ioctl: No such device for host 10.199.99.25

my config is 

config system netflow

  set collector-ip 10.199.99.25

 set collector-port 9025

config system interface

edit port 1

set netflow-sampler both