Zte ZXR10 5900E Series - Configuring Port Loopback Function; Configuring Port Root Protection Function; STP Configuration Examples

Chapter5STPConguration
ConfiguringPortLoopbackFunction
St-
ep
CommandFunction
1
ZXR10(config-gei_1/x)#spanning-treeguardloop
instance1
Thisenablesportloopback
protectionfunctionininstance
1.
2
ZXR10(config-gei_1/x)#nospanning-treeguardloop
instance1
Thisdeletestheportthathas
aloopbackprotectionfunction
ininstance1.
ConfiguringPortRootProtection
Function
St-
ep
CommandFunction
1
ZXR10(config-gei_1/x)#spanning-treeguardroot
instance1
Thisenablesportroot
protectionfunctionininstance
1.
2
ZXR10(config-gei_1/x)#nospanning-treeguardroot
instance1
Thisdeletesportroot
protectionfunctionininstance
1.
STPConfigurationExamples
MSTPsupportsmultipleMSTareas.However ,itissuggestedto
congureoneMSTarearunningonthebackbonenetworkand
servingastherootoftheentireCST ,forbetterfastaggregation
andloadbalanceoftheentirenetwork.
1.AsshowninFigure13,MSTPisrunonthebackbonenetwork.
MSTareaservesastheCSTroot.Thatis,theCISTrootbridge
isinsidetheMSTarea.ThreeswitchesA,BandCarecong-
uredinthesamearea,withaninitialpriorityof32768.The
CISTrootandISTrootaredecidedaccordingtotheirMACad-
dresses.MACaddressesofSwitchesA,BandCare
SwitchA000d.0df0.0101
SwitchB000d.0df0.0102
SwitchC000d.0df0.0103
CreatetwoMSTinstancesandmaptheVLANintheareato
them.
RunCSTonSwitchDwhoseMACaddressis000d.0df0.0104
andpriorityis32768.
CondentialandProprietaryInformationofZTECORPORATION49