Freeware MenuMeters from http://www.ragingmenace.com/software/menumeters/index.html makes a total for each port, but also have a look at 10$ shareware Net Monitor from http://homepage.mac.com/rominar/net.html It might suit you better. Cheers, Kim On 28/04/04 15:21, "Johndan Johnson-Eilola" <johndan at clarkson.edu> wrote: > This is slightly off topic, but is anyone aware of an application that > would measure the volume of data uploaded and downloaded over network > connections on a TiBook (i.e., number of k or megs over time). I'd like > to calculate my average data production/consumption via the network for > a project I'm working on. (I could probably manually calculate these > things by studiously logging every email, instant message, Internet > radio stream, weblog posting, etc., but the measurement would probably > affect the activities themselves.