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Date: Tue, 3 May 2011 01:21:08 +0200 (CEST)
From: Ingo Flaschberger <if@xip.at>
To: YongHyeon PYUN <pyunyh@gmail.com>
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Cc: freebsd-net@freebsd.org
Subject: Re: collisions on tun interfaces ...
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>>>> It's tunable. Set net.link.ifqmaxlen.
>>>
>>> I know it's tunable at boot time; I mean why is it that low by default?
>>>
>>
>> and what will be acceptable value for ASDL connections 8 and more MBit/s?
>>
>
> Maybe that depends on traffic pattern. I agree default value is too
> low but I don't know what would be best default value since I don't
> have experimentation data. Note, most non-pseudo drivers do not
> rely on the tunable.

perhaps to mention the net.link.ifqmaxlen tuneable and symptoms at tun
manpage?

Kind regards,
 	Ingo Flaschberger