NFDUMP tools support netflow v5, v7 and v9 capturing and processing. nfcapd - netflow capture daemon. Reads the netflow data from the network and stores the data into files. nfdump - netflow dump. Reads the netflow data from the files stored by nfcapd. It's syntax is similar to tcpdump. If you like tcpdump you will like nfdump. nfprofile - netflow profiler. Reads the netflow data from the files stored by nfcapd. Filters the netflow data according to the specified filter sets ( profiles ) and stores the filtered data into files for later use. nfreplay - netflow replay Reads the netflow data from the files stored by nfcapd and sends it over the network to another host. ft2nfdump - flow-tools to nfdump - optional component WWW: http://nfdump.sourceforge.net