Chuanbo Xu wrote: > > Hi > > This is a monitor tool, but measure. > I want to measure max bandwidth, when I limit it with tc. Try http://www.citi.umich.edu/projects/qbone/generator.html gen_send and gen_recv provide a testbed for UDP variable length packet generation, and metrics of bandwidth and packet loss. The only drawback I see is that the logfiles are not updated in a timely fashion so that one could apply periodic Bronc or other graphing tools for rapid visualization. Gerry -- Gerry Creager -- gerry@xxxxxxxxxxx Network Engineering |Research focusing on Academy for Advanced Telecommunications |Satellite Geodesy and and Learning Technologies |Geodetic Control Texas A&M University 979.458.4020 (Phone) -- 979.847.8578 (Fax)