Client changes the TCP window size using a binary exponential algorithm. This means that you may notice that TCP window size suggested may vary according to the traffic in the network, Iperf will suggest the best window size for the current network scenario. Many build problems have been fixed. Pre-compiled binaries of Version 1.1.1 for selected operating systems are also available. Iperf 1.2 - Gzipped Tar file Known Problems.
All feedback is welcome.
We recommend upgrading to Iperf 1.2, but Iperf 1.1.1 is still available for now, along with complete documentation. All rights reserved See UI License for complete details.