Date: Tue, 29 May 2018 16:05:53 +0300 From: Vitalij Satanivskij <satan@ukr.net> To: "Muenz, Michael" <m.muenz@spam-fetish.org> Cc: freebsd-net@freebsd.org Subject: Re: GRE/gif/netgraph tunnel speed on 10Gbit channel Message-ID: <20180529130553.GA60437@hell.ukr.net> In-Reply-To: <2d73fb0b-4e2f-d130-de95-88f7b8bf20ae@spam-fetish.org> References: <20180529071733.GA18182@hell.ukr.net> <58deda3e-6eda-bade-0461-97014a64182e@yandex.ru> <20180529100544.GA58705@hell.ukr.net> <347581ff-1f32-c8c4-dce8-9c4632f4cd84@yandex.ru> <20180529105853.GA59230@hell.ukr.net> <ead44b3f-5545-3896-90ba-261a1fd4abca@yandex.ru> <20180529113304.GA59501@hell.ukr.net> <2d73fb0b-4e2f-d130-de95-88f7b8bf20ae@spam-fetish.org>
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Am 29.05.2018 um 13:33 schrieb Vitalij Satanivskij: MM> Can you try MTU 1400 on GRE0 and MSS of 1300 just for testing? MM> With this values I get 4600Mbit sending and 1400Mbit receiving with MM> iperf and 10 parallel streams. MM> UUUPSS looks like i have problem with metodology I'm use iperf3 and even with -P10 or run's in parallel (on diferents ports) it show summary of +-2gbits max While iperf v2 show 4+gbit's [ ID] Interval Transfer Bandwidth [ 11] 0.0- 0.0 sec 0.00 Bytes 0.00 bits/sec [ 10] 0.0-20.0 sec 910 MBytes 382 Mbits/sec [ 9] 0.0-20.0 sec 503 MBytes 211 Mbits/sec [ 8] 0.0-20.0 sec 1.66 GBytes 714 Mbits/sec [ 12] 0.0-20.0 sec 2.25 GBytes 965 Mbits/sec [ 7] 0.0-20.0 sec 368 MBytes 154 Mbits/sec [ 6] 0.0-20.0 sec 1.90 GBytes 815 Mbits/sec [ 5] 0.0-20.0 sec 900 MBytes 378 Mbits/sec [ 4] 0.0-20.0 sec 833 MBytes 349 Mbits/sec [ 3] 0.0-20.0 sec 1.11 GBytes 478 Mbits/sec [SUM] 0.0-20.0 sec 10.4 GBytes 4.44 Gbits/sec It's very strange for me but at last it mutch more beter. Ok now question is - which maximum speed we can get from gre on 10Gbit link's. ^)
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