Zte ZXR10 ZSR V2 - Figure 10-1 Structure of Ipv6 Multicast Address on the Basis of Unicast Prefix

ZXR10ZSRV2CongurationGuide(IPv6)
NameAddressDescription
Requestednodemulticast
addresses
FF02::1:FFxx:xxxxConsistingoftheaddress
prexFF02::1:FF00:/104(in
front)andlow24bitsofa
unicastoranycastaddressofa
requestednode.Forexample,
4307::01:800:200E:8C6C
iscorrespondingto
FF02::1:FF0E:8C6C.
RFCdenesamodetoallocateIPv6multicastaddressesdynamically,thatis,anIPv6
multicastaddressonthebasisofunicastprex.AnIPv6multicastaddressincludesthe
unicastaddressprexofitsmulticastsourcenetwork.Global-uniquemulticastaddresses
canbeallocatedinthisway.Figure10-1liststheaddressstructure.
Figure10-1StructureofIPv6MulticastAddressontheBasisofUnicastPrex
IntroductiontoIPv6MulticastProtocols
ThemulticastprotocolssupportedbyIPv6includeMulticastListenerDiscovery(MLD),
MLDSnooping,IPv6ProtocolIndependentMulticast(PIM)andIPv6MBGP .
1.Multicastroutinggroupmanagementprotocol
MLDoriginatesfromtheInternetGroupManagementProtocol(IGMP).MLDv1
correspondstoIGMPv2,andMulticastListenerDiscoveryVersion2(MLDv2)
correspondstoIGMPv3.DifferentfromIGMPwhichusesmessagetypeofIP
protocolnumber2,MLDusesmessagetypeofICMPv6(theIPprotocolnumber
is58),includingMLDQuerymessage(typevalueis130,MLDv1Reportmessage
(typevalueis131),MLDv1Leavingmessage(typevalueis132)andMLDv2Report
message(typevalueis143).MLDactscompletelythesameasIGMPdoesexcept
forthemessagestructure.
MLDSnoopingissimilartoIGMPSnooping.
2.Multicastroutingprotocol
IPv6PIMprotocolactionisthesameasthatofIPv4PIMexcepttheIPaddress
structureinmessages.IPv6PIMalsosupportsSparseMode(SM),DenseMode
(DM)andSourceSpecicMulticast(SSM).
10-2
SJ-20140504150128-018|2014-05-10(R1.0)ZTEProprietaryandCondential