Hi Bruce, With iperf 2 we limit the server read rate per -b or --bandwidth. Curious to why iperf 3 chose a different flag for this?
Thanks, Bob On Mon, Aug 17, 2020 at 1:15 PM Bruce Mah <b...@es.net> wrote: > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA512 > > ESnet (Energy Sciences Network) is proud to announce the availability > of iperf 3.9. This release adds a --timestamps flag, which prepends a > timestamp to each output line. A new --server-bitrate-limit flag has > been added as a server command-line argument, and allows an iperf3 > server to enforce a maximum throughput rate. Several minor bugs were > also fixed. More information can be found in the iperf-3.9 release > notes, which are contained in the RELNOTES.md file in the > distribution. > > iperf 3.9 should be fully backward-compatible with prior iperf3 > releases, that is, iperf 3.9 clients and servers should interoperate > correctly with all 3.x clients and servers. > > iperf3 is a tool for measuring the maximum TCP, UDP, and SCTP > throughput along a path, allowing for the tuning of various parameters > and reporting measurements such as throughput, jitter, and datagram > packet loss. It is fully supported on Linux, FreeBSD, and macOS. It > may run on other platforms as well, although it has not received the > same attention and testing. Note that iperf3 is not compatible with, > and will not interoperate with, version 2 or earlier of iperf, > although the two versions can co-exist on the same hosts and networks. > > The source code for iperf 3.9 is available at: > > https://downloads.es.net/pub/iperf/iperf-3.9.tar.gz > > SHA256 hash: > > 24b63a26382325f759f11d421779a937b63ca1bc17c44587d2fcfedab60ac038 > > iperf3 is freely-redistributable under a 3-clause BSD license. More > information can be found in the LICENSE file inside the source > distribution. > > Additional documentation for iperf3 can be found at: > > https://software.es.net/iperf > > More information about iperf3 (including the issue tracker, source > code repository access, and mailing list) can be found on the iperf3 > page on GitHub at: > > https://github.com/esnet/iperf > > User questions can go to the iperf users list (which is more-or-less > shared between iperf2 and iperf3): > > iperf-users@lists.sourceforge.net > > Mailing list information and archives can be found at: > > https://lists.sourceforge.net/lists/listinfo/iperf-users > > The mailing list for iperf3 development is: > > iperf-...@googlegroups.com > > To see the list archives or join the mailing list, visit: > > http://groups.google.com/group/iperf-dev > > -----BEGIN PGP SIGNATURE----- > > iQEzBAEBCgAdFiEE+Fo4IENp9xo01E6DSYSRCoyq7ooFAl861QcACgkQSYSRCoyq > 7oqRVgf6A/KH8nipRNCHBXVGEYfo8p/lOzVOk6mcmnk8cbVuTvMnu4Xqde3K6sUi > Z8buBKJuwudORxSctuFEmkJrxk/w1VLICrYiKOI1PAbuZb0MOKbSg9JZ1Ej4w/+q > DuubGlDvxEweMD3Mfeic1mM4AOsOiqoJe6wWLytML0cdSc5rstz56EzG7pDa83bF > zEeJejD5L74QjMn1dnv150V3Lt8VG6wDq9HSp/hr16AHAbtvhCxoKpjJS5eeuyp4 > aYT08pN6sVUJJZFi0iVd52/JoaylzI23R85G7vn+qAkVQ6jwncZZcV/Bc28KDypN > uHojBTQYZ+9CW67vVqpR0h8Pumw/Lg== > =N1PO > -----END PGP SIGNATURE----- > > > > _______________________________________________ > Iperf-users mailing list > Iperf-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/iperf-users >
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