User manual

Table Of Contents
ZXR105900/5200SeriesUserManual(EthernetSwitchingVolume)
ItisdecidedbythearearootnodeofaninstanceintheMST
areaanddecreasesby1aftereachswitch.Whenitdecreases
to0theBPDUpacketisinvalid.Message-ageandmax-age
valuesoftheBPDUpacketintheMSTareadonotchangedur-
ingareatransmission.
TocongureSTPprotocolparameters,usethefollowingcom-
mands.
Step
CommandFunction
1
ZXR10(config)#spanning-treehello-time<time>
ThissetHellotimeofSTP .
2
ZXR10(config)#spanning-treeforward-delay<time>Thissetstheforwarddelay
timeofSTP .
3
ZXR10(config)#spanning-treemax-age<time>Thissetsthemaximumtime
ofBPDUpacket.
4
ZXR10(config)#spanning-treemstmax-hops<hop>Thissetsthemaximumhops
ofBPDUpacket.
Note:
InCSTstructure,hello-timeofeveryswitchisdeterminedbythe
rootofswitch.Max-hopstakeseffectonlywhenthisnodeserves
asthearearootnodeofaninstanceintheMSTarea.
CreatingInstances
InMSTPmode,userscanturnconnectedswitchesintoanMST
areabycreatingordeletinginstances.Implementingfastaggre-
gationandloadbalanceofthewholenetwork.
Step
CommandFunction
1
ZXR10(config)#spanning-treemstconfigurationThisentersMSTconguration
mode.
2
ZXR10(config-mstp)#instance<instance>vlans
<vlan-id>
Thiscreatesaninstance.
50CondentialandProprietaryInformationofZTECORPORATION