Zte ZXR10 5900E Series - ZESS Configuration

Chapter6
ZESR/ZESR+
Configuration
TableofContents
ZESR/ZESR+Overview......................................................57
ConguringZESR/ZESR+...................................................58
ZESR/ZESR+CongurationExample....................................61
ZESR/ZESR+Overview
ZESRZTEEthernetSmartRingisasolutionforsolvingthelayer2
loopproblem(RFC3619).ComparedwithSTP ,thebiggestadvan-
tageisthatthelinkwillswitchandrecoverquicklywhenoneway
isdisconnectedandtheshortesttimeis50ms.
ZESRisapplicablewithmulti-ringarea.Multi-ringisdesignated
thateverylevelisanindependentringandlow-levelhastwoentry
pointstoconnectwithhigh-levelring.Thehighestlevelringis
namedasmajor-levelringandothersarenamedasaccessrings.
Multi-areaisnamedthattherearemanyprotectioninstanceson
thesameringsuitabletodifferentservicevlan.Theirlogicroutes
aredifferentandindependent.
ZESR+,indoublenodesdoubleuplinksnetworking,improvesthe
currentZESRtomeetredundancyprotectionforuplinkandnode
atthesametimeindoublenodesdoubleuplinksnetworking.
CondentialandProprietaryInformationofZTECORPORATION57