nanog mailing list archives

Re: 10Gb iPerf kit?


From: Nick Hilliard <nick () foobar org>
Date: Sun, 07 Dec 2014 12:32:26 +0000

On 06/12/2014 20:24, Pete Mundy wrote:
I've done loads of 1Gbit testing using the entry-level MacBook Air and a
Thunderbolt Gigabit Ethernet adapter though, and I disagree with Saku's
statement of 'You cannot use UDPSocket like iperf does, it just does not
work, you are lucky if you reliably test 1Gbps'. I find iperf testing at
1Gbit on Mac Air with Thunderbolt Eth extremely reliable (always
950+mbit/sec TCP on a good network, and easy to push right to the 1gbit
limit with UDP.

i've found that the tb gigabit ethernet adapter starts dropping udp packets
at around 600-650mbit/sec on iperf (mbp, MC976xx/A model).

Nick


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