Re: Intermittent Wireless Connectivity
- From: "David Elders" <david_elders@xxxxxxxxxxxxxxxxxx>
- Date: Sat, 30 Apr 2005 20:26:39 +0100
We had a situation kinda similar when we first added WiFi to our network.
Would work fine for a while then stop totally. Couldn't put our finger on it
at all. Ended up almost stumbling on the answer by accident - the WiFi kit
we use is Cisco and in the management there is a kinda site survey option
which shows the utilisation of all the available WiFi channels - the default
channel the kit was attempting to use was sitting at almost full
utilisation. Some other WiFi network nearby was using the same channel and
the frequency was basically getting flooded out.
Changed the channel and its worked flawlessly ever since.
Might be worth checking if your kit supports such checking.
Regards,
David
"Henry Craven [SBS-MVP]" <IUnknown@xxxxxxxx> wrote in message
news:Oj59XtRTFHA.2124@xxxxxxxxxxxxxxxxxxxxxxx
> Had an issue like that on one site and it was caused by a Path Lab two
> doors up firing up one of their machines. Had to resort to Wiring the
> clients. - Not saying this is the cause in your case but it may pay to run
> a Site Audit and log. ( one tool is netstumbler
> http://www.netstumbler.com/ )
>
> Other devices that can cut the signal are any un or inadequately shielded
> equipment outputting high RFI (Speakers, Wireless/Mobile Phones,
> Photocopiers, Other Local networks on a close-by or overlapping channel )
> It can be intermittent both in time and location, and a pain to track
> down. - It may also just be poor quality WiFi APs and receivers.
>
> You may want to try disabling Wireless Zero Config and running the 3rd
> party utility supplied with the Wireless device only. ( running the two
> together may be the issue ) or alternately disable / uninstall the
> supplied utility and use WZC only.
>
> And of course it may just be poor / Cheap quality Wi-Fi equipment and or
> firmware.
>
> --
> Henry Craven {SBS-MVP}
> CI Information Technology
> ----------------------------------------------------
> Melbourne SBS Users Group
> http://groups.yahoo.com/group/melb-SBSusers/
>
> "Gary" <Gary@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote in message
> news:BF057854-4759-4F91-B146-358ECA76F46B@xxxxxxxxxxxxxxxx
>> Any assistance with this issue would be greatly appreciated.
>>
>> I have several wireless clients connecting to Win2K3 server.
>> Intermittently, the wireless connection is dropped and usually cannot be
>> restored unless I re-enter the WEP key on the client machine.
>>
>> Some T/S'ing I've done thus far to try to isolate the problem:
>> Users accounts work fine on wired clients.
>> When the wireless machines are hard wired to the network, connectivity is
>> fine.
>> When the wireless machines are taken off the domain and placed in a
>> "dummy"
>> workgroup, connectivity is fine but of course they are not authenticating
>> to
>> the domain and therefore have no access to resources other than the
>> internet.
>>
>> Seems to be some sort of wireless/AD issue. I have set up a wireless
>> security policy since this problem began but no change. I'm sure this is
>> a
>> simple fix but I just don't know what direction to look at this point.
>>
>> --
>> Gary
>
>
.
- References:
- Intermittent Wireless Connectivity
- From: Gary
- Re: Intermittent Wireless Connectivity
- From: Henry Craven [SBS-MVP]
- Intermittent Wireless Connectivity
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