Apple MC510LL/A Personal Computer User Manual


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52 Chapter 4 Problem, Meet Solution
5 Entertheinformationyoureceivedfromyourserviceprovider,suchastheaccount
name,password,andPPPoEservicename(ifyourserviceproviderrequiresit).
6 ClickApplytomakethesettingsactive.
Network Connections
MakesuretheEthernetcableispluggedintoyouriMacandintothenetwork.
CheckthecablesandpowersuppliestoyourEthernethubsandrouters.
IfyouhavetwoormorecomputerssharinganInternetconnection,besurethatyour
networkissetupproperly.YouneedtoknowwhetheryourISPprovidesonlyoneIP
addressormultipleIPaddresses,oneforeachcomputer.
IfonlyoneIPaddressisprovided,thenyoumusthavearoutercapableofsharingthe
connection,alsoknownasnetworkaddresstranslation(NAT)or“IPmasquerading.”
Forsetupinformation,checkthedocumentationprovidedwithyourrouterorask
thepersonwhosetupyournetwork.TheAirPortbasestationcanbeusedtoshare
oneIPaddressamongmultiplecomputers.ForinformationaboutusinganAirPort
basestation,checkMacHelporvisittheAirPortExtremewebsiteat
www.apple.com/support/airport.
Ifyoucan’tresolvetheissueusingthesesteps,contactyourISPornetworkadministrator.
Problems with AirPort Wireless Communication
IfyouhavetroubleusingAirPortwirelesscommunication:
 Makesurethecomputerornetworkyouaretryingtoconnecttoisrunningandhasa
wirelessaccesspoint.
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