User manual

Table Of Contents
ZXR105900/5200SeriesUserManual(EthernetSwitchingVolume)
1.Inordinarymode,aftersendingHelloneighborjoiningpacket,
thereceivedEchopacketdisplaysthatthepeerport’sneighbor
isnotitself.
2.Inaggressivemode,aftersendingHelloneighborjoining
packet,thereceivedEchopacketdisplaysthatthepeerport’s
neighborisnotitself.
3.Inaggressivemode,afterreceivingHelloneighborjoining
packet,sendEchopacketandthepeerEchopacketisnot
received.
4.Inaggressivemode,allneighborsintheinterfaceexceedthe
agingtimeanddon’treceiveHellodetectionpacket.When
interfaceisdownortheinterfacecan’tbeused,thisdevice
needtosendaushpackettoinformtheadjacentlayer2
devicetodeletetheinformationofthisdevice.
EnableUDLDprotocol,thereceivingechopacketdisplaysthepeer
port’sneighborisnotitself,whichindicatesfaultconnection.No
matterwhatmodeUDLDapplies,theportwillbeshutdown.
Agingtimemeansprotocolpacketsendinginterval(thedefaultis
15seconds)*3.Ifaggressivemodeiscongured,packetisnot
recieverdwhenexceedagingtime,portwillbeshutdown.
ConfiguringUDLD
UDLDGlobalConfiguration
Step
CommandFunction
1
ZXR10(config)#Udldenable/disable<port-list>ThisgloballyenablesUDLDor
enablesUDLDinbatch.
2
ZXR10(config)#udldmessagetime<7-90><port-list>Thissetsprotocolpacket
sendinginterval.
3
ZXR10(config)#noudldmessagetime<port-list>
Thisrecoversdefaultprotocol
packetsendingtime.
4
ZXR10(config)#udldrecoveryenable/disenable
<port-list>
Thisrecoversinterfaceup
automaticallyforthereason
thatUDLDcausesinterface
down(thedefaultisnot
recovery).
5
ZXR10(config)#udldrecoverytimer<port-list>Thissetsthetimewhenthe
interfaceisrecoverdasup
automaticallyforthereason
thatUDLDcausesinterface
down(thedefaultis30s).
6
ZXR10(config)#noudldrecoverytimer<port-list>Thissets30storecover
interfaceupautomaticallyfor
thereasonthatUDLDcauses
interfacedown.
106CondentialandProprietaryInformationofZTECORPORATION