Re: Is the OR500 better then the Senao NL-2611 CB3?

kismet + ethereal

for osx users, use kismac.

windows users have a variety of paid options.

-matt



On Apr 29, 2005, at 10:16 AM, Tyler van Houwelingen wrote:

> well, there are some expensive tools like airmagnet.  I think you  
> may be able to see this in net stumber, but I am not sure.  The new  
> centrino sniffer 8.0 and higher give you this cabability, but htis  
> will not help on your bridged link.
>
> ty
>
>
> Tyler van Houwelingen
> CEO and Founder
> Azulstar Networks, Inc.
> 1051 Jackson, Grand Haven, MI 49417
> 1117 Rio Rancho Blvd 13, Rio Rancho, NM 87124
> 1-877-AZULSTAR
> www.azulstar.com
> ----- Original Message ----- From: "BarangayWireless.Net"  
> <[email protected]>
> To: "SeattleWireless Talk List" <[email protected]>
> Sent: Thursday, April 28, 2005 9:00 PM
> Subject: Re: Is the OR500 better then the Senao NL-2611 CB3?
>
>
> how will you know if packets were being retransmitted?
> is there a tool to check that?
>
>
> i also have the same issue.
>
>
>
> On 4/29/05, Tyler van Houwelingen <[email protected]> wrote:
>
>> suggestions:
>>
>> 1. Set the modulation rate on both ends from auto to 2Mbps or 1Mbps
>> 2. Try horizontal polarization on the antennas
>> 3. I would take a look at your number of packets being  
>> retransmitted - my
>> guess is that they are getting hammered somewhere along the way.   
>> If this is
>> the case, you can try other channels, but your best bet is to move  
>> the link
>> to 5GHz.  Your packets can be hammered, even if you are seeing  
>> good RSSI
>> 4. run DRTCP on each client should help (changing to higher Rwin  
>> settings
>> should help)
>>
>> tyler
>>
>>
>> Tyler van Houwelingen
>> CEO and Founder
>> Azulstar Networks, Inc.
>> 1051 Jackson, Grand Haven, MI 49417
>> 1117 Rio Rancho Blvd 13, Rio Rancho, NM 87124
>> 1-877-AZULSTAR
>> www.azulstar.com
>> ----- Original Message -----
>> From: "Casey Halverson" <[email protected]>
>> To: "Eddie" <[email protected]>; "SeattleWireless Talk List"
>> <[email protected]>
>> Sent: Thursday, April 28, 2005 10:16 AM
>> Subject: RE: Is the OR500 better then the Senao NL-2611 CB3?
>>
>> Could be due to timing issues (the orinoco bridges don't really have
>> this issue), or other settings that are different than the OR500's.
>> Keep in mind these were tuned to be wireless bridges, and your  
>> senao was
>> tuned to be a local LAN station.
>>
>> I would make sure the following is done on your new link:
>>
>> - Turn off ACK's
>> - Turn off retries
>> - Turn off flow control RTS/CTS
>> - Adjust fragmentation settings
>> - Turn off WEP
>>
>> Keep an eye on retries and lost packets.  While you will see some, it
>> should not be excessive.
>>
>> I do not know whats available to you as far as statistics, but 70%  
>> does
>> not help us much.  Please indicate the signal and noise levels in  
>> dBm.
>>
>> According to my calculations, assuming you had a clear path and  
>> radios
>> pretty close to the antenna, you should be coming in at -52.3dBm.   
>> This
>> is considerably stronger than you were before.  You could have also
>> introduced some sort of multipath issue.
>>
>> > -----Original Message-----
>> > From: [email protected]
>> > [mailto:[email protected]] On Behalf Of Eddie
>> > Sent: Wednesday, April 27, 2005 5:20 PM
>> > To: SeattleWireless Talk List
>> > Subject: Is the OR500 better then the Senao NL-2611 CB3?
>> >
>> > Hello,
>> >
>> > I have a strange problem. Since I can't get DSL out in the
>> > sticks, I have a 9 mile wireless 802.11b link. I use a set of
>> > Orinoco OR500 wireless bridges and some 24db directional
>> > antennas. The system is far more complex (ask if you need
>> > more details), but the long link is the one I am trying to
>> > upgrade.  Right now, I am getting 120- 130KBs over the long
>> > link. That is one FTP transfer. If I try to do two things at
>> > once, the OR500 slow way down. Sort of a one track mind
>> > thing. It's not perfect, but it's better then dial up and I
>> > have had zero problems with it over the year I have had it up.
>> >
>> > But I have a 3Mbs DSL line so I would like to upgrade the
>> > speed of the link. I picked up two Senao NL-2611 CB3. I set
>> > one to AP mode, and the other to client.
>> > Testing at home showed they peaked around 4.5Mbs. When I
>> > connected them to the antennas, it showed a 70% signal
>> > strength, but bandwidth maxes out at 30KBs.
>> > Changing the channel and messing with all the settings did nothing.
>> >
>> > Why would the higher power and better Senao have slower speeds?
>> >
>> > Thank you
>> > -Eddie
>> >
>> >
>> >
>> >
>> > _______________________________________________
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>> >
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