Zte ZXR10 5900E Series - Zess Configuration; Chapter 7 Zessconfiguration Tableofcontents; ZESS Configuration; ZESS Overview

Chapter7
ZESSConfiguration
TableofContents
ZESSOverview.................................................................67
ConguringZESS..............................................................68
ZESSCongurationExample...............................................71
ZESSMaintenance.............................................................74
ZESSOverview
ZESSisZTEEthernetSmartSwitchtechnology.Itisefcientlink
switchmechanism.Whenfaultoccurs,mainlinkcanswitchto
standbylinkautomaticallyandquicklytoensureservicedatanor-
maltransmission.
Functiondescriptionisasfollows:AsshowninFigure20,node1
supportsZESSfunction,ofwhichport1isprimaryportandport2
issecondaryport.Whennode1detectsthatbothprimaryportand
secondaryportareup,blocksprotectionserviceVLANforwarding
functionofsecondaryport.Whennode1detectsthatprimaryport
isDOWN,blocksthatofprimaryportandopenthatofsecondary
port.Whennode1detectsthatprimaryportrecoversasUP ,inin-
versionmode,openprimaryportandblocksecondaryportagain,
whereasinnon-inversionmode,keepprimaryportasblockedand
secondaryportasopen.Inaddition,whenZESSisswitching,FDB
ofblockportneedtobeupdated.
CondentialandProprietaryInformationofZTECORPORATION67