
IP Manager
3 2170042
•StaticIPaddressesaregrantedthesameaddressevery
timeyourmodemisconnectedandarenotinusewhen
yourmodemisnotconnected.
Sincemanycellularproviders,likewire‐basedISPs,donot
offerstaticIPaddressesorstaticaddressaccountscosta
premiumvs.dynamicaccounts,AirLinkdevelopedIP
ManagertoworkwithaDynamicDNSservertoreceivenotifi‐
cationfromSierraWirelessAirLinkmodemstotranslatethe
modem’sdynamicIPaddresstoafullyqualifieddomain
name.Thus,youcancontactyourALEOSpoweredAirLink
modemdirectlyfromtheInternetusingadomainname.
Fully Qualified Domain Name
AdomainnameisanameofaserverordeviceontheInternet
whichisassociatedwithanIPaddress.Similartohowthe
streetaddressofyourhouseisonewaytocontactyouand
yourphonenumberisanother,boththeIPaddressandthe
domainnamecanbeusedtocontactaserverordeviceonthe
Internet.Whilecontactingyouatyourhouseaddressorwith
yourphonenumberemploydifferentmethods,usinga
domainnameinsteadoftheIPaddressactuallyusesthesame
method,justawordbasednameiscommonlyeasierto
rememberformostpeoplethanastringofnumbers.
Understandingthepartsofadomainnamecanhelptounder‐
standhowIPManagerworksandwhatyouneedtobeableto
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).Itisnecessarytohavea
nameregisteredbeforeitcanbeused.
•Sub‐domainorservername:Adomainnamecanhave
manysub‐domainorservernamesassociatedwithit.Sub‐
domainsneedtoberegisteredwiththedomain,butdonot
needtoberegisteredwithICANNoranyotherregistry.It
istheresponsibilityofadomaintokeeptrackofitsown
subs.
car54.mydomain.com