Zte ZXR10 5900E Series - ZESR;ZESR+ Configuration Example

Chapter5STPConguration
2.AsshowninFigure14SwitchesBandCruninanarea.CIST
RootBridgeisoutsidethearea.OneedgeportofSwitchB/C
isblocked.
FIGURE14CONFIGURATIONOFMSTP
Thedifferencebetweenthisexampleandthepreviousexample
is:
Oneareacanhaveonlyoneinstancetocommunicatewiththe
externalnetworkEdgeportisinblockorforwardstateforall
theVLANs.Therefore,thereisnopossibilityofloadbalance.
AdvantagesofMSTParenotbroughtintoplay.InFigure14the
linkfromSwitchCtoSwitchAisinblockstateforalltheVLANs,
whilethelinkfromSwitchBtoSwitchAisinforwardstatefor
alltheVLANs.
CondentialandProprietaryInformationofZTECORPORATION51