Zte ZXR10 ZSR V2 - Table 2-5 Multicast Address Format

ZXR10ZSRV2CongurationGuide(IPv6)
11111110100Interfaceidentier
Site-localAddress
10381664
11111110110Subnet
identier
Interfaceidentier
Link-localaddressesareusedinasinglenetworklinkforhostnumbering.Theaddress
identiedbythersttenbitsoftheprexisthelink-localaddress.Routersdonot
processthepacketswithlink-localaddressesattheirsourceendanddestinationend
becausetheyneverforwardthesepackets.
Themiddle54bitsofthisaddressaresettozero,its64-bitinterfaceidentierisinthe
sameIEEEstructureasmentionedintheforegoingparagraphs,andthepartofthis
addressspaceallowssomenetworkstoconnectupto2
64
-1hosts.
Link-localaddressesareusedforthesinglenetworklinkandsite-localaddressesare
usedforsites.Itmeansthatsite-localaddressescanbeusedtotransmitdatainthe
interconnectednetworksbutcannotbedirectlyroutedtotheglobalInternetfroma
site.
Routerswithinasitecanonlyforwardpacketswithinthesiteinsteadofforwarding
themoutsideofthesite.The10-bitprexofasite-localaddressisimmediately
followedbyasuccessionofzeros,whichisslightlydifferentfromthatofalink-local
address.Thesubnetidentierofasite-localaddressis16-bit,anditsinterface
identierisstillthe64-bitIEEE-basedaddress.
Notethatthespecialbehaviorofsite-localaddresseshasbeenremovedfromRFC.
Addressessuchasfec0::/10needtobetreatedascommonunicastaddresses.
lOpenSystemsInterconnection(OSI)NetworkServiceAccessPoint(NSAP)Address
andInternetworkPacketExchange(IPX)Address
OneoftheIPv6objectivesistounifythewholenetworkworldforamongIP ,IPX,and
OSInetworks.Tosupportthisinteroperatability,IPv6reserves1/128addressspace
forOSINSAPaddressandnetworkIPXaddressrespectively.
Atpresent,theIPXaddresseshavenotbeenpreciselydened.RefertoRFCfor
descriptionoftheNSAPaddressallocation.
MulticastAddress
TheformatoftheIPv6multicastaddressisdifferentfromthatoftheIPv6unicastaddress.
Multicastaddressescanonlybeusedasdestinationaddresses.Nopacketusesa
multicastaddressasthesourceaddress.T able2-5liststheformatofamulticastaddress.
Table2-5MulticastAddressFormat
844112
1111111FlagsScopeGroupidentier
2-8
SJ-20140504150128-018|2014-05-10(R1.0)ZTEProprietaryandCondential