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Date:      Sat, 5 Nov 2016 20:54:01 -0500
From:      Rajil Saraswat <rajil.s@gmail.com>
To:        freebsd-virtualization@FreeBSD.org
Subject:   Re: Bhyve and Poor network speed with Intel X540-AT2
Message-ID:  <c67deca6-bd4a-a16a-f0a6-efa5b330ee01@gmail.com>
In-Reply-To: <9fe097c5-c2ef-fda6-8b99-b4e4d7afff05@gmail.com>
References:  <9fe097c5-c2ef-fda6-8b99-b4e4d7afff05@gmail.com>

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On 11/05/16 14:24, Rajil Saraswat wrote:
> Hello,
>
> I am running debian8 in a bhyve instance. The host has a 10g network and
> uses Intel X540-AT2 NIC. The guest has a poor network speed in the order
> of 2-3 kBps. However, if i disable the hardware offload features of the
> NIC it brings the host speed from 10g to 1g, and bhyve shows 1g speed as
> well. I use the following in rc.conf
>
>  ifconfig_ix0="-rxcsum -txcsum  -vlanmtu  -vlanhwtso  -tso4 -tso6
> -vlanhwtso -vlanhwcsum up"
>
> Is there anyway around to get 10g speed on host and better speed in the
> vm simultaneously?
>
>
> Thanks
>
> Rajil
>
I see the same poor speeds with the host running Mellanox Connectx-2
SFP+ card too.



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