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Zte ZXR10 2928E User Manual

Zte ZXR10 2928E
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Chapter4ServiceConīšæguration
Figure4-40TangentRingDesignFigure
AsshowninFigure4-40,theringcomposedbyS1,S2,S3andtheringcomposedby
S3,S4,S5aretangentatS3.Thetworingsbelongtodifferentareas,buttheyprotect
thesameprotectedvlans.
lZESRLinkhelloFunction
TheZESRprotocolofZXR102900EaddstheLinkhellointeractingprotocolbetween
adjacentnodes.Itisusedtodetectthelinkfaultssuchaslinkmonologueandlink
acrosstransmissionequipment.Linkhellointeractionisonlyusedforadjacentnodes
andhasnothingtodowithZESRnodetypeandnetworkform.
WhenLinkhellomechanismisadded,therearetwowaystodetectlinkstate:one
istodetectthephysicalstateoflink,anotheristosendLinkhelloframedetection
betweenthetwoadjacentnodesoftheloop.Onlywhenbothstateareup,thelinkis
up.Otherwisethelinkisdown.
4-99
SJ-20120409144109-002|2012-07-02(R1.0)ZTEProprietaryandConīšædential

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Zte ZXR10 2928E Specifications

General IconGeneral
BrandZte
ModelZXR10 2928E
CategorySwitch
LanguageEnglish

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