IPv4 vs. IPv6 Ethernet Performance

Norbert Aschendorff norbert.aschendorff at yahoo.de
Wed Aug 29 18:14:48 UTC 2012

So, I got the results using the Live system.

Machine [1] is an older Thinkpad T61 (running the Live system), Machine
[2] the well-known "FreeBSD" machine from the previous benchmark. Both
machines run FreeBSD 9.1-RC1 GENERIC.

{Values in MBit/s}

Configuration		IPv6	IPv4
[1] -> [2]		450	600
[2] -> [1]		401	855

This confirms the FreeBSD IPv6 receive rate measured with Linux as
sender (iperf client).


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