Zte ZXR10 5250 Series - ZESS Configuration; Table 5-4 Basic ZESS Concepts

Chapter5ServiceConguration
Switch_B(config)#setzesrctrl-vlan4000protect-instance1
/*RunthefollowingcommandtoconfigureswitchBasthetransitnodeofthe
primaryringwithport1/1asitsprimaryportandport1/2asits
secondaryport.*/
Switch_B(config)#setzesrctrl-vlan4000major-levelrolezess-transit
primary-port1/1secondary-port1/2
/*RunthefollowingcommandstoenabletheTCNpacketsendingfunction
onport1/1.*/
Switch_B(config)#setzesrtcn-sendingport1/1enable
CongurationsonswitchC:
/*Runthefollowingcommandstoconfigurethespanningtree
instance:theconfigurationcommandsfromvendorsdiffer.
Refertotheuserguidespublishedbyrespectivevendors.*/
Switch_C(config)#setstpenable
Switch_C(config)#setstpforceversionmstp
Switch_C(config)#setstpinstance1addvlan100-110
5.32ZESSConguration
ZESSisanefcientlinkswitchingmechanism,whichallowstwolinksonadevicetoback
upeachotherandalwayselectoneofthemfordatatransmission.Ifthelinkincurrent
usefails,ZESScanswitchtothebackuplinkrapidlyandautomaticallytoguaranteethe
normalservicedatatransmission.
BasicZESSConcepts
ForadescriptionofthebasicZESSconcepts,refertoT able5-4:
Table5-4BasicZESSConcepts
NameDescription
ZESSDomainAZESSdomainconsistsofacontrolVLANandaprotectioninstance.
TherearetwostatesforaZESSdomain:
lUPindicatesthateachlinkinaZESSdomainoperatesproperly.
lDOWNindicatesthatatleastonelinkinaZESSdomainisdisconnected.
ZESSNodeAdevicethatisconguredwithaZESSdomainiscalledaZESSnode.
ControlVLANThecontrolVLANofaZESSdomainforwardsZESSprotocolpackets(Flush
packets).
AFlushpacketissentfromaZESSnodeduringZESSlinkswitchingtoinform
therelevantdevicestorefreshtheMACaddresstable.ThecontrolVLANisnot
requiredforaZESSdomain.IfthecontrolVLANisnotcongured,noFlush
packetswillbesentduringZESSlinkswitching.
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SJ-20131111172707-002|2013-11-27(R1.0)ZTEProprietaryandCondential