Bruce Mah | 2 Feb 01:28 2016
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iperf-3.1.2 is available


ESnet (Energy Sciences Network) announces iperf-3.1.2, the latest
point/bugfix release from the iperf 3.1 codeline.

iperf-3.1.2 fixes a few bugs present in iperf-3.1.1 (and possibly
earlier releases), but generally retaining the same functionality.
More information on specific changes can be found in the RELEASE_NOTES
file in the source distribution.

iperf3 is a tool for measuring the maximum TCP and UDP performance
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 X.  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.

The source code for iperf 3.1.2 is available at:

http://downloads.es.net/pub/iperf/iperf-3.1.2.tar.gz

SHA256 hash:

f9dbdb99f869c077d14bc1de78675f5e4b8d1bf78dc92381e96c3eb5b1fd7d86  iperf-3.1.2.tar.gz

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:
(Continue reading)

Bob (Robert) McMahon | 24 Dec 20:54 2015

iperf 2.0.8 32 bit seq no.

Hi All,

 

I noticed that the iperf2 seq number  is 32 bits which limits a test to ~2B packets.   With modern computer and i/o systems, 2B isn’t quite as large as it used to be.  I’m likely going to add support for 64 bit counter soon.

 

Bob

 

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MD I. Islam | 9 Dec 23:17 2015
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variable bit-rate traffic and variable source IP address

Hi

Is it possible to shape the traffic in iperf? I need the traffic to be variable bit rate instead of constant bit rate (following some probability distribution). Could you please advice?

I also need to simulate that the traffic is coming from different IP address and port. So, through the traffic is being generated from a node, I need the source IP address of the packets to be different. Is it possible to achieve in iperf?

Looking forward to your suggestions.

Thanks
Tamim


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Bruce A. Mah | 19 Nov 19:22 2015
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iperf-3.1.1 is available (resend, GPG-signed)


ESnet (Energy Sciences Network) announces iperf-3.1.1, the first
point/bugfix release from the iperf 3.1 codeline.

iperf-3.1.1 fixes a few bugs in iperf-3.1 (some of which were also
present in earlier releases), retaining the same functionality.  More
information on specific changes can be found in the RELEASE_NOTES file
in the source distribution.

iperf3 is a tool for measuring the maximum TCP and UDP performance
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 X.  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.

The source code for iperf 3.1.1 is available at:

http://downloads.es.net/pub/iperf/iperf-3.1.1.tar.gz

SHA256 hash:

62f7c64eafe19046ba974b3ef2d962a5597194d6fbbddde328a15a5e74110564  iperf-3.1.1.tar.gz

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:

http://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

The mailing list for iperf3 development is:

iperf-dev@...

To see the list archives or join the mailing list, visit:

http://groups.google.com/group/iperf-dev

Bruce A. Mah | 19 Nov 19:17 2015
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iperf-3.1.1 is available

ESnet (Energy Sciences Network) announces iperf-3.1.1, the first
point/bugfix release from the iperf 3.1 codeline.

iperf-3.1.1 fixes a few bugs in iperf-3.1 (some of which were also
present in earlier releases), retaining the same functionality.  More
information on specific changes can be found in the RELEASE_NOTES file
in the source distribution.

iperf3 is a tool for measuring the maximum TCP and UDP performance
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 X.  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.

The source code for iperf 3.1.1 is available at:

http://downloads.es.net/pub/iperf/iperf-3.1.1.tar.gz

SHA256 hash:

62f7c64eafe19046ba974b3ef2d962a5597194d6fbbddde328a15a5e74110564  iperf-3.1.1.tar.gz

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:

http://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

The mailing list for iperf3 development is:

iperf-dev@...

To see the list archives or join the mailing list, visit:

http://groups.google.com/group/iperf-dev

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Bruce A. Mah | 17 Oct 01:02 2015
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iperf3 development status

Beginning with the release of iperf 3.1, ESnet plans to support iperf3
in "maintenance mode".  At this point, we have no definite plans for
further iperf3 releases, and ESnet will be providing a very limited
amount of resources for support and development, going forward.
However, ESnet could issue new iperf3 releases to deal with security
issues or high-impact bug fixes.

Requests for support, enhancements, and questions should best be
directed to the iperf-dev mailing list.  ESnet would be open to adding
project members/committers from the community, in case there are
developers who are interested in doing more active work with iperf3
and/or supporting the user base.

The posting address for the iperf-dev mailing list is:

iperf-dev@...

To see the list archives or to join the mailing list, visit:

http://groups.google.com/group/iperf-dev

We thank you for your interest in iperf3, suggestions, and
contributions.

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Bruce A. Mah | 16 Oct 21:54 2015
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iperf-3.1 is available


ESnet (Energy Sciences Network) is proud to announce iperf-3.1, the
first general-availability release from the iperf 3.1 codeline.

iperf-3.1 adds support for tests using SCTP on FreeBSD, Linux, and
Solaris.  In addition, it improves support for some optional features
on FreeBSD, and in general increases compatibility with a number of
other operating systems.  Finally, a number of minor bug fixes and
enhancements have been added.  More information on specific changes
can be found in the RELEASE_NOTES file in the source distribution.

iperf3 is a tool for measuring the maximum TCP and UDP performance
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 X.  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.

The source code for iperf 3.1 is available at:

http://downloads.es.net/pub/iperf/iperf-3.1.tar.gz

SHA256 hash:

4385a32ece25cb09d4606b4c99316356b3d2cb03b318aa056b99cdb91c5ce656  iperf-3.1.tar.gz

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:

http://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

The mailing list for iperf3 development is:

iperf-dev@...

To see the list archives or join the mailing list, visit:

http://groups.google.com/group/iperf-dev

Bob (Robert) McMahon | 25 Jul 21:02 2015

Help request: Iperf 2.0.8 compile/port for iOS

Hi All,

 

I’m looking to find someone who has the skills to compile/port iperf 2.0.8 to the iOS platform.   I need this as a proof of concept.   Any hw/sw combination is fine though the more current, the better.

 

Thanks in advance,

Bob McMahon

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Bruce A. Mah | 7 Jul 23:23 2015
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iperf-3.1b3 is available


ESnet (Energy Sciences Network) is proud to announce iperf-3.1b3, the
third beta release from the iperf 3.1 codeline.  This beta release is
intended for testing by early adopters, and should not be packaged in
any operating system distributions.  We're particularly interested in
reports of any regressions from the 3.0 codeline; we aim for the
official iperf 3.1 release to be at least as good with respect to code
quality as the most recent 3.0.x release.

iperf-3.1 adds support for tests using SCTP on FreeBSD, Linux, and
Solaris.  In addition, it improves support for some optional features
on FreeBSD, and in general increases compatibility with a number of
other operating systems.  Finally, a number of minor bug fixes and
enhancements have been added.

This third beta release fixes some problems with RPM generation.  It
is functionally identical to iperf-3.1b2.

More information on changes can be found in the RELEASE_NOTES file in
the source distribution.

iperf3 is a tool for measuring the maximum TCP and UDP performance
along a path, allowing for the tuning of various parameters and
reporting measurements such as throughput, jitter, and datagram packet
loss.

The original iperf was implemented by NLANR / DAST.  Version 3 is a
complete reimplementation, with the goals of a smaller, simpler code
base, and a library that can be used by other programs.  It also adds
new functionality, such as CPU utilization measurements, zero copy TCP
support, and JSON output.  Note that iperf3 clients and servers are
not compatible with, and will not interoperate with, earlier versions
of iperf.

iperf3 is fully supported on Linux, FreeBSD, and MacOS X.  It may run
on other platforms as well, although it has not received the same
attention and testing.

The source code for iperf 3.1b1 is available at:

http://downloads.es.net/pub/iperf/iperf-3.1b3.tar.gz

SHA256 hash:

ba2bac3e043f707288744da6968d3e60749099221d50c8769e7c162215ecbd87  iperf-3.1b3.tar.gz

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:

http://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

The mailing list for iperf3 development is:

iperf-dev@...

To see the list archives or join the mailing list, visit:

http://groups.google.com/group/iperf-dev

Bruce A. Mah | 1 Jul 00:42 2015
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perf-3.1b2 is available

ESnet (Energy Sciences Network) is proud to announce iperf-3.1b2, the
second beta release from the iperf 3.1 codeline.  This beta release is
intended for testing by early adopters, and should not be packaged in
any operating system distributions.  We're particularly interested in
reports of any regressions from the 3.0 codeline; we aim for the
official iperf 3.1 release to be at least as good with respect to code
quality as the most recent 3.0.x release.

iperf-3.1 adds support for tests using SCTP on FreeBSD, Linux, and
Solaris.  In addition, it improves support for some optional features
on FreeBSD, and in general increases compatibility with a number of
other operating systems.  Finally, a number of minor bug fixes and
enhancements have been added.

This second beta release addresses a packaging issue that broke builds
from the source tarball (!).

More information on changes can be found in the RELEASE_NOTES file in
the source distribution.

iperf3 is a tool for measuring the maximum TCP and UDP performance
along a path, allowing for the tuning of various parameters and
reporting measurements such as throughput, jitter, and datagram packet
loss.

The original iperf was implemented by NLANR / DAST.  Version 3 is a
complete reimplementation, with the goals of a smaller, simpler code
base, and a library that can be used by other programs.  It also adds
new functionality, such as CPU utilization measurements, zero copy TCP
support, and JSON output.  Note that iperf3 clients and servers are
not compatible with, and will not interoperate with, earlier versions
of iperf.

iperf3 is fully supported on Linux, FreeBSD, and MacOS X.  It may run
on other platforms as well, although it has not received the same
attention and testing.

The source code for iperf 3.1b1 is available at:

http://downloads.es.net/pub/iperf/iperf-3.1b2.tar.gz

SHA256 hash:

1fa046fd787dc05e4946740c67aec84e6d0c9814c93f59c66fcb404deadaf8be  iperf-3.1b2.tar.gz

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:

http://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

The mailing list for iperf3 development is:

iperf-dev@...

To see the list archives or join the mailing list, visit:

http://groups.google.com/group/iperf-dev

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Bruce A. Mah | 22 Jun 20:08 2015
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iperf-3.1b1 is available


ESnet (Energy Sciences Network) is proud to announce iperf-3.1b1, the
first beta release from the iperf 3.1 codeline.  This beta release is
intended for testing by early adopters, and should not be packaged in
any operating system distributions.  We're particularly interested in
reports of any regressions from the 3.0 codeline; we aim for the
official iperf 3.1 release to be at least as good with respect to code
quality as the most recent 3.0.x release.

iperf-3.1 adds support for tests using SCTP on FreeBSD, Linux, and
Solaris.  In addition, it improves support for some optional features
on FreeBSD, and in general increases compatibility with a number of
other operating systems.  Finally, a number of minor bug fixes and
enhancements have been added.

More information on changes can be found in the RELEASE_NOTES file in
the source distribution.

iperf3 is a tool for measuring the maximum TCP and UDP performance
along a path, allowing for the tuning of various parameters and
reporting measurements such as throughput, jitter, and datagram packet
loss.

The original iperf was implemented by NLANR / DAST.  Version 3 is a
complete reimplementation, with the goals of a smaller, simpler code
base, and a library that can be used by other programs.  It also adds
new functionality, such as CPU utilization measurements, zero copy TCP
support, and JSON output.  Note that iperf3 clients and servers are
not compatible with, and will not interoperate with, earlier versions
of iperf.

iperf3 is fully supported on Linux, FreeBSD, and MacOS X.  It may run
on other platforms as well, although it has not received the same
attention and testing.

The source code for iperf 3.1b1 is available at:

http://downloads.es.net/pub/iperf/iperf-3.1b1.tar.gz

SHA256 hash:

14dd25bc573be377399aef6c507c0f79bc0a076ae2a91621e22fb76ec11ffd9a  iperf-3.1b1.tar.gz

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:

http://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

The mailing list for iperf3 development is:

iperf-dev@...

To see the list archives or join the mailing list, visit:

http://groups.google.com/group/iperf-dev


Gmane