Netflow

Hi,

I’ve some questions to netflow on ROS:

  • What does it mean to bind it to an interface: All incoming and outgoing traffic on this interface?
  • I need a simple perl-script which gets the flow and put traffic to a mysql database
    At the moment a cron-triggered perl script fetches it via telnet from routers, sort it to customers
    and write it to the traffictables of the customers. (timestamp,ipsrc,ipdst,bytes,internal/external).
    Any code-snippet to start with?
  • What is the traffic overhead? What percentage of the measured traffic is generated as flow traffic?
  • Is it reliable?
  • Does ist count full packet-size with header or only data?

Thanks,
Stefan