User manual

Table Of Contents
Chapter6STPConguration
Step
CommandFunction
2
ZXR10#showspanning-treeinterface<port-name>
Thisshowsspanningtree
informationofadesignated
interface.
3
ZXR10#showspanning-treestatistics<port-name>ThisshowsstatisticsonBPDU
packetssentandreceivedby
adesignatedinterface.
4
ZXR10#showspanning-treeinconsistentportsThisshowsmaintenance
informationofBPDU
protection.
Note:
Inthefollowingthreecases,loopscannotbeenavoidedevenif
STPfunctionofswitchisenabled.
1.Twoswitchesbutmultipleparallellinks.Oneconvergeport
congurationsandtheotherdoesnotdoso.
2.Oneswitchconvergecongurationsofmultipleportsbutone
portintheaggregationportgroupisconnectedtootherports
ofthelocalequipmentinself-loopmode.
3.Twoswitchesbuttwoparallellinks.Duetounknownreasons,
bothofthemcannotreceiveBPDUpacketsfromtheopposite
side.
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