Chapter4ServiceConīæguration
lConīægurationProcedure
ConīægureswitchA
zte(cfg)#setpppoe-plusenable
zte(cfg)#setpppoe-plustag-formatport1dsl-forum
lConīægurationVeriīæcation
zte(cfg)#showpppoe-plus
PPPoEplusisenabled.
zte(cfg)#showpppoe-plusport1
PPPoEVendor-SpecificTagformatonport1:DSL-Forum
PPPoE-PLUSoptionmodeinformationonport1:Default
PPPoEVSTremoteIDonport1hasnotbeenset.
4.29ZESRConīguration
ZESROverview
Withtheintegrationofdata,voice,videoandIP ,thedemandfornetworkreliabilityand
networkfaultconvergencetimeareraisedintherecentyears.T oshortenthetimeof
networkfaultconvergence,ZTEprovidesZESR(ZTEEthernetSmartRing).
ZESRisbasedonEAPS(RFC3619)andimprovedonit.ZESRchecksiftheringisproper
andensuresthatthereisonlyonelogicallinkbetweenanytwonodes,whicheffectively
preventsthebroadcaststormcausedbydataloop.Whenthereisafaultonlinkordevice
ofEthernetring,logicroutewillbeswitchedquicklytoensuretheservicerecoversoon.
ZESRprotocolismoresimplethanSTPprotocolandthetopologyconvergencespeedis
morefast.
ZESRRelatedConcepts
lZESRRing:AZESRringphysicallycorrespondstoanEthernetringtopology.A
ZESRareaconsistsofmultipleZESRrings.Oneringisthemajor-level,othersare
thesegmentlinkingwiththemajor-level.IfthereisonlyoneringinZESRarea,then
itisthemain-level.
lZESRControlVLAN:EachZESRareahasacontrolVLAN.TheZESRprotocol
messageistransmittedinthecontrolVLAN.
lZESRProtectedVLAN:EachZESRareahasmultipleprotectVLANs.Theusersā
serviceistransmittedintheprotectVLAN.Realizetheservicetrafīæcprotectionin
layer-2bythelinkswitchofZESRProtectedVlan.
lMasterNode:Masternodeistheprimarycontrolnode.Theprimaryringandthe
segmentofeachlevelhaveanoderespectively(Itcanbecombinedtoone,master
edge-port).Ittakeschargeinthecontroloftheprimaryringandthesegmentofeach
level.
lTransmissionNode:ThenodesexceptthemasternodeinZESRringaretransmission
node.Itmainlyassiststhemastertodoloopinspectionandserviceswitching.
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SJ-20120409144109-002|2012-07-02(R1.0)ZTEProprietaryandConīædential