I don't know what most people use; I use tkined for detailed
looks/troubleshooting, and vulture for usage logging/graphing.
See www.vix.com/vulture and wwwsnmp.cs.utwente.nl/~schoenw/scotty.
-- David Carmean <dlc@avtel.net> Avtel Communications, Santa Barbara, CA +1-805-730-7740 Opinions herein are those of the author only, unless otherwise noted