Sierra Wireless EV-DO Understanding DNS

IP Manager

Rev 3.0B Feb.08 77

Note: The IP Manager service

from Sierra Wireless is currently

not a guaranteed service though

every effort is made to keep it

operational 24/7.

•*DOMAIN:eairlink.com

•*IPMANAGER1:edns2.eairlink.com

•*IPMANAGER2:eairlink.com

Tip: When using the IP Manager service offered by Sierra Wireless,

since there are many modems using the service, it is even more

imperative to have a unique name for your modem.

Understanding DNS

ThePinPoint‐EhastheabilitytoqueryDNSserversinorderto

translatedomainnamesintoIPaddresses.Thisallowsyouto

usedomainnamesinplaceofIPaddressesformostofthe

configurationoptionsrequiringIPaddresses.Thisisimportant

ifyourPinPoint‐Ewillneedtocontactanothermodemorother

devicethathasadomainnamebutanunknownordynamicIP

address(suchasanotherremotePinPoint‐EusingIP

Manager).

Generally,whenyourPinPoint‐EreceivesitsIPaddressfrom

Provideraspartoftheconnectionprocess,itwillalsoreceive

theDNSserverstouseforresolving(ortranslating)namesto

IPaddresseswhichitwillautomaticallyconfigureinthe

modemsettings.UnlessyourPinPoint‐Ewillbeusedona

networkwithothermodemsordeviceswhichhavenames

internaltothelocalnetworkorfrequentlychangingIP

addresses,theDNSserversprovidedbyProvidershouldbeall

youneed.

IfthePinPoint‐Ewillbecommunicatingwithadevicethathas

adomainnamebutchangesitsIPaddressfrequently(suchas

anotherAirLinkmodemusingIPManager)orisonanetwork

wheredevicesareaccessedbynamesratherthanIPaddresses,

youwillwanttoputinanalternateDNS(*DNSUSER)where

thatdomainisupdated,suchastheIPManagerserverthe

remotemodemisusingorthelistingofIPaddressestonames

iskept.

IfyouneedtomanuallyconfigureDNS,inAceManager,select

DNS.