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1、无线网络连接中常见故障解决方法（Solutionstocommonfaultsinwirelessnetworkconnection）1.mixedwirelessnetworksareoftendroppedFaultphenomenonUsingLinksysWPC54GnetworkcardandLinksysWRT54GAPtobuildwirelessLAN,theyusetheIEEE802.11gprotocol,therearestillasmallnumberof802.11bnetworkca
2、rd.WhenWRT54Gisusedfor54Mb/sconnection,itisoftendropped.faultanalysisTheoretically,theIEEE802.11gprotocolisdowncompatiblewiththe802.11bprotocol,andthedevicesthatusethetwoprotocolscanbeconnectedtotheAPusingtheIEEE802.11gprotocol.However,fromthepracticalexperie
3、nce,aslongasthereisanetworkcardusingIEEE802.11bprotocolinthenetwork,thenthespeedofthewholenetworkwillbereducedto11Mb/s(IEEE802.11bprotocoltransmissionspeed).TroubleshootingWhenmixingIEEE802.11bandIEEE802.11gwirelessdevices,youmustsetthewirelessAPintoamixed(MI
4、XED)mode,usingthismode,youcanalsocompatiblewithIEEE,802.11band802.11gtwomodes.2.wirelessclientcannotreceivethesignalFaultphenomenonAftertheconstructionofWLAN,itisfoundthattheclientcannotreceivethewirelessAPsignal.faultanalysisThereasonsforthefailuremaybeasfol
5、lows:(1)wirelessLANAPwirelessrouterorwirelessdistanceistoofaraway,beyondthecoverageofthewirelessnetwork,thewirelessnetworkcardtothewirelesssignalisveryweak,thewirelessclientcannotbeconnectedproperly.(2)wirelessAPorwirelessrouterwithoutpowerornowork,leadingtot
6、hewirelessclientcannotconnect.(3)whenthewirelessclientisfardistancewirelessAP,weoftenusedirectionalantennatechnologytoenhancethepropagationofwirelesssignal,ifthedirectionalantennaangleproblemswillleadtoawirelessclientcannotnormalconnection.(4)ifthewirelesscli
7、entdoesnotsetthenetworkIPaddresscorrectly,itcannotcommunicatewiththewirelessAP.(5)forsecurityreasons,wirelessAPorwirelessrouterwillfiltersomeMACaddresses,andiftheMACaddressofthenetworkcardisfilteredout,thenthenormalnetworkconnectioncannotbecarriedout.Troubles
8、hootingThefollowingmethodscanbeusedtosolvetheproblem:(1)installingantennasonwirelessclientstoenhancereceptioncapability.IfmanyclientsareunabletoconnecttowirelessAP,anomnidirectionalantenn
