Netflow Daemon Listening UDP Port
Currently the default port for opFlow listening for Netflow data is UDP 12345. This can be changed in the /usr/local/etc/flowd.conf file if required.
Sample Cisco Netflow Configuration
The following is a basic Cisco Router configuration for telling the router to send Netflow data to the opFlow.
! this command is optional, this will flow data about in-progress flows, very handy for large file transfers. ip flow-cache timeout active 1 ! version can be 5 or 9 ip flow-export version 9 ip flow-export destination <opflow_server> 12345 ! interface FastEthernet0/0 !only if you want output traffic ip flow ingress !only if you want input traffic ip flow egress