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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>What version of WLC software are you running? Try changing code? There was software advisory for 6.0.196.0 about missed beacons, etc.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> cisco-voip-bounces@puck.nether.net [mailto:cisco-voip-bounces@puck.nether.net] <b>On Behalf Of </b>Ahmed Abd EL-Rahman<br><b>Sent:</b> Wednesday, September 01, 2010 5:40 PM<br><b>To:</b> Ben Story<br><b>Cc:</b> cisco-voip<br><b>Subject:</b> Re: [cisco-voip] Wireless Coverage problem<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Hi Ben,<o:p></o:p></span></p><p class=MsoListParagraph style='margin-left:1.0in;text-indent:-.25in;mso-list:l0 level1 lfo2'><![if !supportLists]><span style='font-size:11.0pt;font-family:Symbol;color:#1F497D'><span style='mso-list:Ignore'>·<span style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>The antennas are two dipole antennas with Omni directional radiation pattern.<o:p></o:p></span></p><p class=MsoListParagraph style='margin-left:1.0in;text-indent:-.25in;mso-list:l0 level1 lfo2'><![if !supportLists]><span style='font-size:11.0pt;font-family:Symbol;color:#1F497D'><span style='mso-list:Ignore'>·<span style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>The antennas are oriented vertically and perpendicular to the AP body.<o:p></o:p></span></p><p class=MsoListParagraph style='margin-left:1.0in;text-indent:-.25in;mso-list:l0 level1 lfo2'><![if !supportLists]><span style='font-size:11.0pt;font-family:Symbol;color:#1F497D'><span style='mso-list:Ignore'>·<span style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>The coverage is weak with all clients but with different levels but my main concern is to make it work with this hand held.<o:p></o:p></span></p><p class=MsoListParagraph style='margin-left:1.0in;text-indent:-.25in;mso-list:l0 level1 lfo2'><![if !supportLists]><span style='font-size:11.0pt;font-family:Symbol;color:#1F497D'><span style='mso-list:Ignore'>·<span style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>The place was a warehouse.<o:p></o:p></span></p><p class=MsoListParagraph style='margin-left:1.0in;text-indent:-.25in;mso-list:l0 level1 lfo2'><![if !supportLists]><span style='font-size:11.0pt;font-family:Symbol;color:#1F497D'><span style='mso-list:Ignore'>·<span style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>The tests were identical without any type of security (no encryption and open authentication) and with the same SSID.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>The main thing that come into my mind is whether there is a settings on the controller that make the AP optimized for the coverage not for the throughput as the main purpose of this solution is for hand held which means that the data rate is not critical.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Another thing there are 10 APs in the warehouse, so is it possible that the controller by default reduces the coverage of each AP to reduce interference and if this is right, is there is a way to override this behavior to solve the coverage problem ?<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Your help is high appreciated.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-family:"Calibri","sans-serif";color:#1F497D'>Best Regards<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><b><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Ahmed Abd EL-Rahman</span></b><b><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#948A54'><o:p></o:p></span></b></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> Ben Story [mailto:ben.story@gmail.com] <br><b>Sent:</b> Wednesday, September 01, 2010 11:25 PM<br><b>To:</b> Ahmed Abd EL-Rahman<br><b>Subject:</b> Re: [cisco-voip] Wireless Coverage problem<o:p></o:p></span></p></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal style='margin-bottom:12.0pt'>What kind of antennae are you using? How are they oriented? Does the same thing happen with a client with a different wireless chipset? Were the tests identical (ie was the linksys setup for the same authentication, wireless security and SSID Broadcast settings)?<o:p></o:p></p><div><p class=MsoNormal>On Wed, Sep 1, 2010 at 2:46 PM, Ahmed Abd EL-Rahman <<a href="mailto:Ahmed.Rahman@bmbgroup.com">Ahmed.Rahman@bmbgroup.com</a>> wrote:<o:p></o:p></p><div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Hi All,<o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> I have 1 WLAN controller 2112 and 10 APs 1242G with external antennas and I’m facing a problem in the coverage, as while standing directly under any AP (about 4 meters far) without any obstacles in-between the signal received at the hand held device is good and when moving little a bit away the signal decreases to fair and poor while by using a cheap stand alone Linksys AP in the same place the signal in the hand held is excellent which is normal due to the small distance.<o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>So anyone has any reasons or solution for this situation ?, maybe there are some settings in the controller can make the AP optimized for coverage distance or something like this, please advise.<o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='color:#1F497D'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='color:#1F497D'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='color:#1F497D'>Best Regards</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='color:#1F497D'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><b><span style='color:#1F497D'>Ahmed Abd EL-Rahman</span><span style='color:#4A442A'> </span><span style='color:#948A54'>I</span><span style='color:#333399'> </span><span style='color:#1F497D'>Senior Network Engineer </span></b><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><b><span style='color:#1F497D'>CCVP, CCNP, CCNA, CCNA-VOICE, IPTX, UCCX, CRMCS, WLSS</span></b><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><a href="http://www.bmbgroup.com/" target="_blank"><span style='color:#002060;text-decoration:none'><img border=0 width=213 height=65 id="Picture_x0020_5" src="cid:image001.jpg@01CB4A01.B42334E0" alt="cid:image001.jpg@01C99801.5B760420"></span></a><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><b><span style='font-size:8.0pt;color:#1F497D'> Lebanon I Egypt I Algeria I KSA I Libya I Jordan</span></b><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;margin-bottom:12.0pt'><b><span style='color:#333399'><br></span></b><span style='font-size:10.0pt;color:#244061'>Shahd Investment Center Office #6</span> <b><span style='color:#948A54'>I </span></b><span style='font-size:10.0pt;color:#244061'>Emam Saud Bin Abdulaziz Rd</span><b><span style='font-size:10.0pt;color:#1F497D'> </span><span style='color:#948A54'>I</span></b> <span style='font-size:10.0pt;color:#244061'>Olaya, Hay al Murooj</span><b><span style='color:#948A54'> I</span><span style='color:#1F497D'> </span></b><span style='font-size:10.0pt;color:#244061'>P.O Box 17384</span><b><span style='color:#1F497D'> </span><span style='color:#948A54'>I</span></b><span style='font-size:10.0pt;color:#1F497D'> </span><span style='font-size:10.0pt;color:#244061'>Riyadh, Saudi Arabia</span><b><span style='color:#1F497D'> </span><span style='color:#948A54'>I</span><span style='color:#1F497D'> </span></b><span style='font-size:10.0pt;color:#244061'>Tel: +966 1 2005813</span><b><span style='color:#1F497D'> </span></b><span style='font-size:10.0pt;color:#244061'>I Fax: +966 1 2005811 </span><b><span style='color:#948A54'>I </span></b><span style='font-size:10.0pt;color:#244061'>Mobile: +966 507920925</span><span style='font-size:10.0pt;color:#1F497D'> </span><b><span style='color:#948A54'>I</span><span style='color:#1F497D'> </span></b><b><span style='font-size:10.0pt;color:#1F497D'><a href="http://www.bmbgroup.com/" target="_blank" title="http://www.bmbgroup.com/"><span style='color:#1F497D'>www.bmbgroup.com</span></a></span></b><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;margin-bottom:12.0pt'><b><span style='font-size:24.0pt;font-family:Webdings;color:green'>P</span></b><b><span lang=ES style='font-size:10.0pt;color:black'> </span></b><b><span lang=ES style='font-size:7.5pt;color:black'> </span></b><span lang=PT style='font-size:7.5pt;color:black'> </span><span lang=PT style='font-size:7.5pt;color:green'>Save a tree. Don't print this e-mail unless it's really necessary</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><b><span style='font-size:10.0pt;color:#A6A6A6'>************************************************************<br>Disclaimer: This email message is for the sole use of the intended recipient(s) and may contain confidential and privileged information. Any unauthorized review, use, disclosure or distribution is prohibited. If you are not the intended recipient, please contact the sender by reply email and destroy all copies of the original message. <br>************************************************************</span></b><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p></div><p class=MsoNormal><br><br>__________ Information from ESET Smart Security, version of virus signature database 5395 (20100825) __________<br><br>The message was checked by ESET Smart Security.<br><br><a href="http://www.eset.com" target="_blank">http://www.eset.com</a><o:p></o:p></p></div><p class=MsoNormal style='margin-bottom:12.0pt'><br>_______________________________________________<br>cisco-voip mailing list<br><a href="mailto:cisco-voip@puck.nether.net">cisco-voip@puck.nether.net</a><br><a href="https://puck.nether.net/mailman/listinfo/cisco-voip" target="_blank">https://puck.nether.net/mailman/listinfo/cisco-voip</a><o:p></o:p></p></div><p class=MsoNormal><br><br clear=all><br>-- <br>--<br>Ben Story <br>CCSP, CCNA, CCNA Wireless, CCDA<br><a href="mailto:ben.story@gmail.com">ben.story@gmail.com</a><br><br>"You cannot escape the responsibility of tomorrow by evading it today. -- Abraham Lincoln<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p>__________ Information from ESET Smart Security, version of virus signature database 5416 (20100901) __________<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p>The message was checked by ESET Smart Security.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p><a href="http://www.eset.com">http://www.eset.com</a><o:p></o:p></p><p class=MsoNormal><br><br>__________ Information from ESET Smart Security, version of virus signature database 5416 (20100901) __________<br><br>The message was checked by ESET Smart Security.<br><br><a href="http://www.eset.com">http://www.eset.com</a><o:p></o:p></p><p class=MsoNormal><br><br>__________ Information from ESET Smart Security, version of virus signature database 5416 (20100901) __________<br><br>The message was checked by ESET Smart Security.<br><br><a href="http://www.eset.com">http://www.eset.com</a><o:p></o:p></p><p class=MsoNormal><br><br>__________ Information from ESET Smart Security, version of virus signature database 5416 (20100901) __________<br><br>The message was checked by ESET Smart Security.<br><br><a href="http://www.eset.com">http://www.eset.com</a><o:p></o:p></p><p class=MsoNormal><br><br>__________ Information from ESET Smart Security, version of virus signature database 5416 (20100901) __________<br><br>The message was checked by ESET Smart Security.<br><br><a href="http://www.eset.com">http://www.eset.com</a><o:p></o:p></p></div></body></html>
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