Chapter6Maintenance
FaultHandling
ThehandlingmethodreferstoāLosingtheLoginUsernameorPasswordā.
Note
Beforetheswitchisrebooted,recordthecurrentconīægurationforreconīæguration.
6.3.7TheTwoDevicesCannotInterconnectinTheSameVLAN
FaultPhenomenon
ThetwodevicescannotinterconnectinthesameVLAN.
FaultAnalysisandLocation
1.TheportPVIDconīægurationiswrong.
2.Theportisdisabled.
3.TheVLANusedbytheportisdisabled.
4.WhentheportisaddedintheVLAN,selectthetag.
5.DevicedoesnotconīægureIPaddressortheIPaddressesconīæguredarenotinthe
samenetworksegment.
FaultHandling
1.ModifyallPVIDsofportsandmakethemsameastheVLANIDtowhichtheport
belongs.
2.Enablealltheportsused.
3.EnableVLANused.
4.AddtheportusedintoVLANagain,selectuntagwhenitisadded.
5.ConīægurethecorrectIPaddressfordevice.
6.3.8TheSolutiontoAuthenticationTimeoutFaultinCampus
Network
FaultPhenomenon
TherearesixbuildingsinthestudentdormitoryofAschool.Ifstudentswanttoaccess
theinternet,thehostsmustpasstheauthenticationandaccountingsystem.TheRadius
serversoftwareoftheauthenticationandaccountingsystemandBrashardwaredevice
areprovidedbycompanyB.TheaccesslayerdeviceZXR102900EmustenableDOT1X
functionandworkwithauthenticationandaccountingservertoprovidetheauthentication
andaccountingserviceofstudentarea.
CompanyBcompletesthedebugofRadiusaccountingserverandBrasdeviceand
allocatestheauthenticationandaccountingclientendtoeachbuildingbyelectrical
campusnetworkforinstallation.Moststudentscompletetheregistrationandactivationof
accountnumber.Whenthepreparationiscompleted,ourcompanyenablesDOT1Xport
6-7
SJ-20120409144109-002|2012-07-02(R1.0)ZTEProprietaryandConīædential