Zte ZXR10 T600

Chapter7
IS-ISv6Configuration
TableofContents
IS-ISv6Overview..............................................................43
IS-ISv6BasicConguration................................................44
ConguringIS-ISv6MaintenanceandDiagnosis....................48
IS-ISv6CongurationExamples..........................................49
IS-ISv6Overview
IS-IShasanearlydevelopment.ISO10589andRFC1195dened
howtousetheIS-ISasthelinkstateroutingprotocoltoprovide
servicetotheTCP/IP .Thesubsequentspecicationsperfectthe
IS-ISprotocolgradually.Thelatestdraftdeneshowtousethe
IS-IStosupporttheIPv6.
IS-ISisaroutingprotocolwithhighexpansibility,itcansupport
theConnectionlessNetworkService(CLNS)routingprotocolex-
pandingtosupporttheIPv4andsupporttheIPv6.
Thedraft-ietf-isis-IPv6-05.txt(RoutingIPv6withIS-IS)draftde-
nestwonewTypeLengthValues(TLV):IPv6reachabilityandIPv6
InterfaceAddress.
�IPv6Reachability
TLVtypevalueoftheIPv6reachabilityTLVis236(0xEC).Its
TLVeffectsareequaltothetwoTLVsoftheIPv4:IPinternally
reachableandIPexternallyreachable.Up/downandexternal
aredenedinthisTLVandareusedtoindicatethatroutesare
redistributedmutuallyintheL2/L1andtodeterminewhether
arouteisanexternalroute.
�IPv6InterfaceAddress
TLVtypevalueoftheIPv6InterfaceAddressTLVis232(0xE8).
ItsTLVeffectsareequaltotheTLVoftheIPv4:IPportaddress.
Thedifferenceisthattheoriginal32-bitaddresssegmentis
supersededbythe128-bitaddresssegmentinthenewTLV .
Uni-topologyIS-IScanonlyrunasingleShortestPathFirst(SPF)
algorithm.ThetopologiescorrespondingtoIPv4andIPv6must
beidenticalandwithspecialrestriction.Whilethemulti-topol-
ogyIS-IScanrunmultipleSPFalgorithms.Then,thetopologies
correspondingtoIPv4andIPv6maybedifferentandwithsome
exibility.
CondentialandProprietaryInformationofZTECORPORATION43