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Date: Thu, 15 Mar 2007 18:11:44 +0100
From: "O. Hartmann" <ohartman@mail.zedat.fu-berlin.de>
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To: Bakul Shah <bakul@bitblocks.com>
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Cc: freebsd-stable@FreeBSD.ORG, "Bruce M. Simpson" <bms@FreeBSD.org>
Subject: Re: tap device at boot time
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Bakul Shah wrote:
>> maybe this is slightly OT, but I tried using /dev/tap0 by QEMU on FBSD 7.0-CU
>> RRENT and 6.2-STABLE at boottime. 
>>     
>
> ...
>
>   
>> (MAC_ADDRESS replaced by a valid MAC address). Reason ist I try to get an IP 
>> via DHCP - this is restricted by our computer center and their DHCP maintenan
>> ce so I do not have influence on that. I need to provide them a fix MAC addre
>> ss.
>>     
>
> My response is definitely off topic but with qemu don't you
> need a fixed mac address for the *guest* OS if you want your
> to assign an IP address via DHCP?  For that you use -net
> nic,MACADDR so that the guest will use MACADDR.  tap0 mac
> address doesn't matter.  Or may be I misunderstand you....
>   

You're completely right,
so the docu says. Last time I tried, my net admin says he sees the MAC
of the tap device. I will check this this weekend, maybe in this case we
do have a kind of misunderstanding.

Regards,
Oliver