User manual

Table Of Contents
Chapter5
MACAddressTable
Configuration
TableofContents
IntroductiontoMACAddress...............................................31
ConguringMACAddressT able............................................33
MACAddressTableCongurationExample............................39
IntroductiontoMACAddress
MACMediaAccessControladdressisthehardwareidentication
ofanetworkdevice.TheswitchforwardspacketsbasedonMAC
address.MACaddressisunique,ensuringaccuratepacketfor-
warding.
EachswitchmaintainsaMACaddresstablecalledforwarding
database(FDB).FDBrecordsone-to-onemappingrelationship
betweenMACaddressesandswitchports.Whenreceivinga
dataframe,theswitchdecideswhethertodropitorforwardit
totheproperportbasedonthistable.TheFDBisthebasisand
prerequisiteforfastforwarding.
CompositionandMeaningofMAC
AddressTable
AMACaddressandaVLANIDpairuniquelyidentifyaMACaddress
tableentry.ZXR105900/5200MACaddresstableentryincludes
thefollowingitems:
1.MACaddress:suchas00D0.D056.95CA.
2.PortNo.:MACaddresscorrespondingportsuchasgei_1/1,
smartgroup1.
3.VLANID:MACaddresscorrespondingVLANIDsuchas10.
4.Othermarks:IndicateMACaddressstateandoperation.
ZXR105900/5200MACaddresstableentryhasthefollowing
marks:
stc:WhethertheMACaddressisastaticone.
per:WhethertheMACaddressispermanent.
CondentialandProprietaryInformationofZTECORPORATION31