Re: Fw: Re: [leaf-wisp] Wireless signal dropout

Abel,

Please note that Daniel reported that his problem was solved after he 
flashed 1.5.6 into the Teletronics card.

abel wrote:
> I have a similar problem with a different setup.
> I am running wisp-dist on a microATX with 2 senao cards with adapters and one 
> wmp11.
> On the other side the client is a DLink DW-900AP+ pointing to one of the senao 
> cards.
> Cables are 1.5 meters of LRM-240 in each side and antennas are 15 dBi yagui 
> against 12 dBi diedro, distant 600 meters from each other.
> Sometimes the association drops and then re-associates again by itself, but 
> sometimes it remains disconnected and I have to reconnect them by hand.
> It may be working ok for weeks but sometimes I have to recopnnect by hand twice 
> or three times in the same week.
> In any case, how has to be configured the AP or the router to minimize (or 
> eliminate, if possible) these dropouts?
> Thanx in advance.
> 
> abel
> 
> On Tue, 13 Apr 2004 14:46:00 +0300, Vladimir Ivaschenko wrote
> 
>>Hi,
>>
>>Does the second access point have the same ESSID? Then it might be the 
>>problem.
>>
>>Otherwise, I recommend to flash the 1.5.6 firmware on the Teletronics 
>>wireless card.
>>
>>Daniel Loomis wrote:
>>
>>>I have a Soekris net4521 running Wisp-Dist, using a single Teletronics
>>>200mW pcmcia card attached to a 12" pigtail and a 15db planar antenna.
>>>It is operating as a single access point.  I am using a standard 12v
>>>power supply (purchased with the board from Soekris) which feeds through
>>>the power input jack (not POE).  
>>>
>>>Access is via a Toshiba laptop also running a Teletronics 200mW pcmcia
>>>card with one of the little pigtail whip antennas. The laptop can boot
>>>WinXP/Fedora Core 1/FreeBSD 4.9.  
>>>
>>>I get strong reception in many parts of the building and everything
>>>seems to work well . . . except that the signal drops out every so often
>>>without warning.  Sometimes it is able to reconnect on its own, while
>>>atothers I have to manually reconnect.  It happens when I am at the
>>>outer limits of the access point's range but also when close by (i.e.,
>>>in the same room).
>>>
>>>The /etc/network/wireless.conf is as follows:
>>>
>>># Wireless configuration parameters
>>>#
>>>netcs0_MODE="MASTER"
>>>netcs0_ENCMODE="ON"
>>>netcs0_RATE="11M"
>>>netcs0_ESSID="fpcwireless"
>>>netcs0_KEY="##:##:##:##:##" <== not actual
>>>netcs0_CHANNEL="11"
>>>netcs0_MACFILTER_POLICY="0"
>>>netcs0_NICK="fpcwireless1"
>>>netcs0_TXPOWER="200mW"
>>>netcs0_RTS=""
>>>
>>>With no wireless clients connected, iwconfig displays the following:
>>>
>>>netcs0  IEEE 802.11-DS  ESSID:"fpcwireless"  Nickname:"fpcwireless1"
>>>        Mode:Master  Frequency:2.462GHz  Access Point: 00:02:6F:05:59:2F
>>>        Bit Rate=2Mb/s   Tx-Power=24 dBm   Sensitivity=1/3
>>>        Retry min limit:8   RTS thr:off   Fragment thr:off
>>>        Encryption key:####-####-##   Encryption mode:restricted
>>>        Power Management:off
>>>        Link Quality:0  Signal level:0  Noise level:0
>>>        Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
>>>        Tx excessive retries:90  Invalid misc:269   Missed beacon:0
>>>
>>>I have not configured RTS/CTS as I am not sure what those settings ought
>>>to be.
>>>
>>>I do not know if my problem is due to hardware/software/local
>>>interference or something else.  I do have another lower powered (30mW
>>>SMC) AP in another part of the building running on channel 6 with a 6db
>>>antenna, but that does not seem to be a problem.
>>>
>>>I am concerned that the problem is related to the hardware, but have not
>>>the expertise to diagnose it.  Any suggestions where I should begin?
>>>
>>>Daniel Loomis
>>>
>>>
>>>
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>>
>>-- 
>>Best Regards,
>>Vladimir Ivashchenko
>>ThunderWorx - www.thunderworx.com
>>Senior Systems Designer/Engineer
>>
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-- 
Best Regards,
Vladimir Ivashchenko
ThunderWorx - www.thunderworx.com
Senior Systems Designer/Engineer



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Free Linux tutorial presented by Daniel Robbins, President and CEO of
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