[176629] in North American Network Operators' Group
Re: 10Gb iPerf kit?
daemon@ATHENA.MIT.EDU (Nick Hilliard)
Sun Dec 7 07:32:48 2014
X-Original-To: nanog@nanog.org
X-Envelope-To: nanog@nanog.org
Date: Sun, 07 Dec 2014 12:32:26 +0000
From: Nick Hilliard <nick@foobar.org>
To: Pete Mundy <pete@fiberphone.co.nz>, NANOG <nanog@nanog.org>
In-Reply-To: <70853923-F3DD-4BB7-ABA3-84BB29B3A455@fiberphone.co.nz>
Errors-To: nanog-bounces@nanog.org
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
