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Date:      Thu, 28 Nov 2013 12:43:43 +0000
From:      Meny Yossefi <menyy@mellanox.com>
To:        "freebsd-net@freebsd.org" <freebsd-net@freebsd.org>
Cc:        Oded Shanoon <odeds@mellanox.com>, Meny Yossefi <menyy@mellanox.com>
Subject:   UDP traffic, msg size exceeds 9215 Bytes
Message-ID:  <F2E47A38E4D0B9499D76F2AB8901571A8875009F@MTLDAG01.mtl.com>

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Hi all,

We've been running some benchmarks (Netperf, Iperf) on our driver (Mellanox=
), and witnessed an odd behavior.
We saw that when running UDP traffic with msg size larger than 9215 bytes, =
it gets dropped for some reason. MTU is 1500.

We've spotted the same behavior on different vendors which lead us to belie=
ve there's some kernel issue that we are missing here.

Please advise,
Meny Yossefi | SW Engineer
Mellanox Technologies Ltd
Work: +972-74-7129121, Cell: +972-52-8379557




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