bc95 is the end of the real Vista client's MAC address. I don't know  
what that means, but it seems unlikely to be coincidence, especially  
with the equally-unlikely 00:00:0f ending. This looks like a clue, but  
I couldn't find any more information.

-tim

On Mar 28, 2009, at 12:55 PM, Bob Gustafson wrote:

> Using http://www.curreedy.com/stu/nic/
>
> Results:
> (Searched using: bc9581)
>
> I didn't find a MAC address that matches: bc:95:81:00:00:0f
>
> Take a look at the notes
>
> On Sat, 2009-03-28 at 16:12 +0100, Wilko Lunenburg wrote:
>> Hi,
>>
>> Have you tried to find it with Microsoft's knowledge base? I found  
>> this,
>> maybe it is of any help to you:
>>
>> Windows Vista cannot obtain an IP address from certain routers or  
>> from
>> certain non-Microsoft DHCP servers
>>
>> http://support.microsoft.com/kb/928233/en-us
>>
>>
>> Søren Vanggaard Jensen schreef:
>>> I haven't been able to determine who own's the macaddress bc: 
>>> 95:81:00:00:0f.
>>> This is work in progress and i hope I'll  have an answer soon.
>>>
>>> However, i do not see why bc:95:81:00:00:0f should cause Vista to  
>>> decline
>>> the offered IP address. VISTA should only decline the IP address  
>>> if it
>>> detects an IP address conflict.
>>>
>>> BR
>>> /Søren
>>>
>>>
>>>
>>> -----Original Message-----
>>> From: Claus@Monowall [mailto:Monowall at mail dash fwd dot archie dot dk]
>>> Sent: 28. marts 2009 11:27
>>> To: apiasecki at midatlanticbb dot com
>>> Cc: m0n0wall at lists dot m0n0 dot ch; m0n0wall at lists dot m0n0 dot ch
>>> Subject: RE: [m0n0wall] DHCPDECLINE
>>>
>>> Why is the failing ARP
>>>
>>>> No.     Time            Source                Destination
>>> Protocol
>>>> Info
>>>>     38 15:31:12.537248 bc:95:81:00:00:0f      
>>>> Broadcast             ARP
>>>> Who has 10.0.10.157?  Tell 0.0.0.0
>>>>
>>>> Frame 38 (60 bytes on wire, 60 bytes captured) Ethernet II, Src:
>>>> bc:95:81:00:00:0f (bc:95:81:00:00:0f), Dst: Broadcast
>>>> (ff:ff:ff:ff:ff:ff)
>>>> Address Resolution Protocol (request)
>>>>
>>>
>>> Saying
>>>
>>> Tell 0.0.0.0
>>>
>>> Why not
>>>
>>> Tell real ip of bc:95:81:00:00:0f
>>>
>>> Who is bc:95:81:00:00:0f ? First time I see it is in the failing  
>>> ARPs ??
>>>
>>> Claus
>>>
>>>
>>>
>>> -----Original Message-----
>>> From: apiasecki at midatlanticbb dot com [mailto:apiasecki at midatlanticbb dot com 
>>> ]
>>> Posted At: Saturday, March 28, 2009 10:14 AM Posted To: Monowall
>>> Conversation: [m0n0wall] DHCPDECLINE
>>> Subject: Re: [m0n0wall] DHCPDECLINE
>>>
>>> I have this same problem. On the same connection Windows XP will  
>>> grab DHCP
>>> just fine but Vista won't. I haven't figure it out either. It's  
>>> only Vista
>>> machines that are having this problem, all other OS's work fine.  
>>> Its strange
>>> because some vista machines will work fine, while others won't.
>>> Usually i just tell the guest the call Microsoft's and explain  
>>> that windows
>>> XP machines are working fine on the network and Vista isn't.
>>>
>>> Adam
>>
>
>
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