perfdata

the units of bandwidth are changed accordingly to K,M,G so it can look nice in nagvis weathermaps, but this puts wrong values in rrd databases if you are using pnp4nagios also. There are two choices, either you display the same unit all the time, or add extra perfdata.
Second choice here http://docs.quah.ro/nagios/check_iftraffic3.pl

[EDIT]http://docs:[email protected]/nagios/check_iftraffic3.pl