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
> >
> >
> >
> >
> > _______________________________________________
> > Talk mailing list
> > [email protected]
> > http://seattlewireless.net/mailman/listinfo/talk
> >
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