Zte ZXR10 5900 Series - ZESR;ZESR+ Configuration; ZESR;ZESR+ Overview

Chapter16
ZESR/ZESR+
Configuration
TableofContents
ZESR/ZESR+Overview....................................................161
ConguringZESR/ZESR+.................................................162
ZESR/ZESR+CongurationExample..................................165
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dentialandProprietaryInformationofZTECORPORATION161