Zte ZXR10 T600

Chapter2
IPv6BasicConfiguration
TableofContents
IPv6AddressOverview........................................................3
ConguringIPv6Address....................................................16
ConguringIPv6AddressMaintenanceandDiagnosis.............17
IPv6AddressCongurationExamples...................................18
IPv6AddressOverview
IPversion6isanewIPprotocol,designedtoreplaceIPversion4,
theInternetprotocolthatispredominantlydeployedandexten-
sivelyusedthroughouttheworld.
However ,theoriginaldesigndidnotanticipatethefollowingcon-
ditions:
�RecentexponentialgrowthoftheInternetandtheimpending
exhaustionoftheIPv4addressspace.
�GrowthoftheInternetandtheabilityofInternetbackbone
routerstomaintainlargeroutingtables.
�Needforsimplerautocongurationandrenumbering.
�RequirementforsecurityattheIPlevel.
�Needforbettersupporttoreal-timedeliveryofdata—also
calledqualityofservice(QoS).
Note:
FeaturessuchasIPSecurity(IPSec)andQoShavebeenspecied
forbothversionsofIP .
IPv6featuresahugeaddresscapacityupto128bits,whichis
describedasbelow:
�Itprovides2128differentIPv6addresses,thatis,the
numberoftheallocableaddressesaroundtheworldis
340,282,366,920,938,463,463,374,607,431,768,211,456.
�Itprovides2.2×10
20
addressespercm
2
ifaddressesareallo-
catedbasedongroundarea.
ThefollowingaredifferencesbetweenIPv4andIPv6inheader
format.
CondentialandProprietaryInformationofZTECORPORATION3