Zte ZXR10 8900 Series User Manual

ZXR108900SeriesUserManual(BasicCongurationVolume)
LLDPConfiguration
LLDPOverview
LinkLayerDiscoveryProtocol(LLDP)isanewprotocoldenedin
802.1ab.Itenablesthatneighbordevicescansendmessagesto
eachother .LLDPisusedtoupdatephysicaltopologyinformation
andcreateadevicemanagementinformationdatabase.
WorkingFlowTheworkingowofLLDPisdescribedasfollows:
1.Localdevicesendslinkandmanagementinformationtoneigh-
bordevices.
2.Localdevicereceivesnetworkmanagementinformationfrom
neighbordevices.
3.Localdevicesavesnetworkmanagementinformationreceived
fromneighbordevicesinMIB.Networkmanagementsoftware
cansearchtheconnectioninformationoflinklayerintheMIB.
FunctionLLDPisneitheracongurationprotocolofremotesystems,nora
signalcontrolprotocolforports.LLDPonlyndsoutthedifference
ofLayer2protocolcongurationonneighbordevicesandreports
theproblemtoupperlayer .Itdoesnotprovidecorresponding
mechanismtosolvetheproblems.
Generallyspeaking,LLDPisakindofneighbordiscoveryprotocol,
providingastandardfordevicesinEthernet,suchasswitches,
routersandwirelessLANaccesspoints.Ithelpsthedevicestotell
theneighborsitsexistenceandsavesdiscoveryinformationofthe
neighbors.Informationsuchascongurationanddeviceidentier
canbenotiedbyLLDP .
LLDPDULLDPdenesauniversaladvertisementset,aprotocolfornotify-
ingadvertisementmessagesandamethodtosavereceivedad-
vertisementmessages.ThedevicescanuseaLinkLayerDiscov-
eryProtocolDataUnit(LLDPDU)tonotifymultipleadvertisement
messages.
TLVTheLLDPDUcontainsashortmessageunitofavariablelength,
calledTypeLengthValue(TLV).
�Type:thetypeofthemessagetobesent
�Length:thebytenumberofthemessagetobesent
�Value:theeffectiveinformationofthemessagetobesent
EachLLDPDUincludesfourcompulsoryTLVsandanoptionalTLV:
�DeviceIDTLV
�PortIDTLV
�TTLTLV
�OptionalTLV
�LLDPUDendingTLV
DeviceIDTLVandportIDTLVareusedtoidentifythesenders.
TTLTLVtellsthereceiverstheholdtimeofthemessage.Ifthere-
ceiverdoesnotreceiveupdateinformationfromthesenderwithin
theholdtime,thereceiverwilldiscardallrelatedmessages.IEEE
138CondentialandProprietaryInformationofZTECORPORATION

Zte ZXR10 8900 Series Specifications

General

Operating Temperature	0°C to 45°C
Storage Temperature	-40°C to 70°C
Operating Humidity	10% to 90% (non-condensing)
Storage Humidity	5% to 95% (non-condensing)
Ports	10/100/1000BASE-T
Layer Support	Layer 2 and Layer 3
VLAN Support	4K VLANs
QoS	8 priority queues per port
Management	CLI, Web, SNMP, RMON
Power Supply	AC or DC
Redundancy	Power supply redundancy, fan redundancy