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MN-700 MAC broadcast problem

 
 
Matt
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Posts: n/a

 
      08-11-2004, 06:19 PM
I have an MN-700 that is acting very strangely with
wireless connections. My connection has been dropping
intermittently pretty regularly for the past 2 weeks and I
couldn't figure out why. So I ran Network Stumbler and
noticed that the MN-700 is broadcasting the same SSID
every once in awhile with two distinct MAC addresses where
one of the addresses is 000000000000. Whenever the all-
zero mac address appears it knocks out my wireless
connection until it stops broadcasting those zeros. Has
anyone seen this before or know how to solve it?
 
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joker
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      08-11-2004, 07:51 PM
What is the firmware version of your MN-700?

Matt wrote:
> I have an MN-700 that is acting very strangely with
> wireless connections. My connection has been dropping
> intermittently pretty regularly for the past 2 weeks and I
> couldn't figure out why. So I ran Network Stumbler and
> noticed that the MN-700 is broadcasting the same SSID
> every once in awhile with two distinct MAC addresses where
> one of the addresses is 000000000000. Whenever the all-
> zero mac address appears it knocks out my wireless
> connection until it stops broadcasting those zeros. Has
> anyone seen this before or know how to solve it?


 
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joker
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Posts: n/a

 
      08-12-2004, 11:20 AM
I've not heard of this happening. You might want to contact Microsoft
support.

Matt wrote:

> Runtime code version: 02.01.02.0590
> Boot code version: 02.01.02.0590
> Hardware version: 00.00.00.0004
>
> I tried a factory reset this afternoon and it didn't make any difference. I
> also upgraded to the latest patch from Microsoft this afternoon (as you can
> see) and it didn't help either.
>
> - Matt
>
> "joker" wrote:
>
>
>>What is the firmware version of your MN-700?
>>
>>Matt wrote:
>>
>>>I have an MN-700 that is acting very strangely with
>>>wireless connections. My connection has been dropping
>>>intermittently pretty regularly for the past 2 weeks and I
>>>couldn't figure out why. So I ran Network Stumbler and
>>>noticed that the MN-700 is broadcasting the same SSID
>>>every once in awhile with two distinct MAC addresses where
>>>one of the addresses is 000000000000. Whenever the all-
>>>zero mac address appears it knocks out my wireless
>>>connection until it stops broadcasting those zeros. Has
>>>anyone seen this before or know how to solve it?

>>
>>


 
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Neel Malik [MSFT]
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Posts: n/a

 
      08-13-2004, 12:57 AM
It sounds like you are in a noisy environment. Here are some questions for
you:
1. What wireless security are you using?
2. How many wireless networks are nearby?
3. How much noise is in the vicinity?
4. What distance is the computer from the MN-700?
5. Have you tried changing the wireless channel to an emptier one?
6. Did you know that Netstumbler is not a reliable reporter of MAC address?


--
Neel Malik
Program Manager
Microsoft Corporation

This posting is provided "AS IS" with no warranties, and confers no rights.



"Matt" <(E-Mail Removed)> wrote in message
news:63037DCC-6F5F-47B7-B692-(E-Mail Removed)...
>
> Runtime code version: 02.01.02.0590
> Boot code version: 02.01.02.0590
> Hardware version: 00.00.00.0004
>
> I tried a factory reset this afternoon and it didn't make any difference.
> I
> also upgraded to the latest patch from Microsoft this afternoon (as you
> can
> see) and it didn't help either.
>
> - Matt
>
> "joker" wrote:
>
>> What is the firmware version of your MN-700?
>>
>> Matt wrote:
>> > I have an MN-700 that is acting very strangely with
>> > wireless connections. My connection has been dropping
>> > intermittently pretty regularly for the past 2 weeks and I
>> > couldn't figure out why. So I ran Network Stumbler and
>> > noticed that the MN-700 is broadcasting the same SSID
>> > every once in awhile with two distinct MAC addresses where
>> > one of the addresses is 000000000000. Whenever the all-
>> > zero mac address appears it knocks out my wireless
>> > connection until it stops broadcasting those zeros. Has
>> > anyone seen this before or know how to solve it?

>>
>>



 
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Matt
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Posts: n/a

 
      08-15-2004, 03:49 AM
1. I'm using a 40 bit WEP key and MAC filtering.
2. About 5 other wireless networks are in the vicinity, I
live in a 17 floor condo.
3. I haven't got a spectrum analyzer so I can't really
measure how much noise is in this area.
4. The computer is a notebook so it varies in distance
from the MN-700, the most would be about 20 feet. However
the problem happens even when I am 2 feet from the MN-700.
5. I'm using channel 1 and appear to be the only person
using that channel. Everyone else is on 6 or 11.
6. I didn't know Network Stumbler was unreliable, I just
noticed a pattern -> every time that 000000000 MAC address
appeared in Network Stumbler I would lose my connection.

It might be worth noting that I never see this zeroed MAC
address happening on any of my neighbors wireless routers
with Network Stumbler (however this software is apparently
unreliable so I'm not sure if that means anything).
I have also tried connecting to a couple of my neighbors
wireless routers (they weren't secured and I just wanted
to test the connection, not steal their Internet service)
and I was able to maintain a connection without problems.
In fact I will often jump on a neighbors router if I need
to check my email when my MN-700 blacks out!

I'm not sure about what the best practice is for selecting
a channel and what security measures are recommended. I
am wide open to suggestions right now. I've been running
fine for months up until about 2 1/2 weeks ago.

Thanks for any ideas you can give me!

>-----Original Message-----
>It sounds like you are in a noisy environment. Here are

some questions for
>you:
>1. What wireless security are you using?
>2. How many wireless networks are nearby?
>3. How much noise is in the vicinity?
>4. What distance is the computer from the MN-700?
>5. Have you tried changing the wireless channel to an

emptier one?
>6. Did you know that Netstumbler is not a reliable

reporter of MAC address?
>
>
>--
>Neel Malik
>Program Manager
>Microsoft Corporation
>
>This posting is provided "AS IS" with no warranties, and

confers no rights.
>
>
>
>"Matt" <(E-Mail Removed)> wrote in message
>news:63037DCC-6F5F-47B7-B692-(E-Mail Removed)...
>>
>> Runtime code version: 02.01.02.0590
>> Boot code version: 02.01.02.0590
>> Hardware version: 00.00.00.0004
>>
>> I tried a factory reset this afternoon and it didn't

make any difference.
>> I
>> also upgraded to the latest patch from Microsoft this

afternoon (as you
>> can
>> see) and it didn't help either.
>>
>> - Matt
>>
>> "joker" wrote:
>>
>>> What is the firmware version of your MN-700?
>>>
>>> Matt wrote:
>>> > I have an MN-700 that is acting very strangely with
>>> > wireless connections. My connection has been

dropping
>>> > intermittently pretty regularly for the past 2 weeks

and I
>>> > couldn't figure out why. So I ran Network Stumbler

and
>>> > noticed that the MN-700 is broadcasting the same SSID
>>> > every once in awhile with two distinct MAC addresses

where
>>> > one of the addresses is 000000000000. Whenever the

all-
>>> > zero mac address appears it knocks out my wireless
>>> > connection until it stops broadcasting those zeros.

Has
>>> > anyone seen this before or know how to solve it?
>>>
>>>

>
>
>.
>

 
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