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Date:      Thu, 14 Jul 2011 00:05:09 -0500
From:      Adam Vande More <amvandemore@gmail.com>
To:        Peter Ross <Peter.Ross@bogen.in-berlin.de>
Cc:        freebsd-emulation@freebsd.org
Subject:   Re: Network problems while running VirtualBox
Message-ID:  <CA%2BtpaK18s2wHEM%2BJ-vP9egZPu10wZHFAuxvShhzFWOwVfZ9Miw@mail.gmail.com>
In-Reply-To: <CA%2BtpaK3GfLnWDWnS77m_yPoU6AWeFqS8Vusv_g6oPJ=_Voju%2BQ@mail.gmail.com>
References:  <20110714095717.35581xj4rdju1pel@webmail.in-berlin.de> <CA%2BtpaK3KXivGBEXxQQPPgUj0Ptt3Gadd%2BK2BT0Xg74RDfb42kA@mail.gmail.com> <20110714115504.20182xr8y5z7o3ug@webmail.in-berlin.de> <CA%2BtpaK3GfLnWDWnS77m_yPoU6AWeFqS8Vusv_g6oPJ=_Voju%2BQ@mail.gmail.com>

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On Wed, Jul 13, 2011 at 10:02 PM, Adam Vande More <amvandemore@gmail.com>wrote:

> I suspect this has less to do with actual memory and more to do with some
> other buffer-like bottleneck.  Does tuning any of the network buffers make
> any difference?  A couple to try:
>
> net.inet.ip.intr_queue_maxlen
> net.link.ifqmaxlen
> kern.ipc.nmbclusters
>
> If possible, does changing from VM bridged -> NAT or vice-versa result in
> any behavior change?
>

Also check vmstat -z, net.graph.maxdata may be a candidate as well.

-- 
Adam Vande More



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