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IP Manager
Rev 3.0B Feb.08 53
• DynamicIPaddressesaregrantedonlywhenyourRaven
isconnectedandcanchangeeachtimethemodemrecon
‐
nectstothenetwork.
• StaticIPaddressesaregrantedthesameaddressevery
timeyourRavenisconnectedandarenotinusewhen
yourmodemisnotconnected.
Sincemanycellularproviders,likewire‐basedISPs,donot
offerstaticIPaddressesorstaticaddressaccountscosta
premiumvs.dynamicaccounts,SierraWirelessAirLink
SolutionsdevelopedIPManagertoworkwithaDynamicDNS
servertoreceivenotificationfromSierraWirelessAirLink
modemstotranslatethemodem’sdynamic
IPaddresstoa
fullyqualifieddomainname.Thus,youcancontactyour
RavendirectlyfromtheInternetusingadomainname.
Understanding Domain Names
AdomainnameisanameofaserverordeviceontheInternet
whichisassociatedwithanIPaddress.Similartohowthe
streetaddressofyourhouse isonewaytocontactyouand
yourphonenumberisanother,boththeIPaddressandthe
domainnamecan
beusedtocontactaserverordeviceonthe
Internet.Whilecontactingyouatyourhouseaddressorwith
yourphonenumberemploydifferentmethods,usinga
domainnameinsteadoftheIPaddressactuallyusesthesame
method,justawordbasednameiscommonlyeasierto
remember
formostpeoplethanastringofnumbers.
Understandingthepartsofadomainnamecanhelptounder‐
standhowIP Managerworksandwhatyouneedtobeableto
configurethemodem.Afullyqualifieddomainname(FQDN)
generallyhasseveralparts.
• TopLevelDomain(TLD):TheTLDistheendingsuffixfor
adomainname(.com,.net,.org,etc.)
• CountryCodeTopLevelDomain(ccTLD):Thissuffixis
oftenusedaftertheTLDformostcountriesexcepttheUS
(.ca,.uk,.au,etc.)
• Domainname:ThisisthenameregisteredwithICANN
(InternetCorporationforAssignedNamesandNumbers)
ortheregistryforathecountryoftheccTLD(i.e.ifa
domainispartofthe.caTLD,itwouldberegisteredwith
theCanadiandomainregistry).Itisnecessarytohave
a
nameregisteredbeforeitcanbeused.
• Sub‐domainorservername:Adomainnamecanhave
manysub‐domainorservernamesassociatedwithit.Sub‐
domainsneedtoberegisteredwiththedomain,butdonot