Re: [leaf-wisp] Wireless signal dropout

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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