Hi All, Can anyone recommend an opensource bandwidth monitoring tool that can plot throughtput and breakdown into sockets/services for proving the performance of my qdiscs and IPTables? Many thanks Barry. --- Outgoing mail is certified Virus Free. Checked by AVG anti-virus system (http://www.grisoft.com). Version: 6.0.555 / Virus Database: 347 - Release Date: 23/12/2003