ZXR105900/5200SeriesUserManual(BasicCongurationVolume)
ToreduceARPpacketsonthenetworkandsenddatafaster ,the
mappingbetweenIPaddressandMACaddressiscachedinthe
localARPtable.Whenadevicewantstosenddata,itlooksupthe
ARPtableaccordingtotheIPaddressrst.IftheMACaddressof
thedestinationdeviceisfoundintheARPtable,itisunnecessary
tosendtheARPrequestagain.ThedynamicentryintheARPtable
willbeautomaticallydeletedafteraperiodoftime,whichiscalled
theagingtimeoftheARP .
ConfiguringARP
Step
CommandFunction
1
ZXR10(config)#arpprotect{interface|mac|whole}
limit-num<number>
ThisconguresARP
protection.
2
ZXR10(config)#arpto-staticThissetsdynamicarpentries
tostaticarp.
3
ZXR10(config)#interfacevlan<vlan-id>
ThisentersLayer3VLAN
interface.
4
ZXR10(config-if-vlanX)#arptimeout<timeout>
Thiscongurestheagingtime
ofARPentryintheARPbuffer
area.
5
ZXR10(config-if-vlanX)#setarp{static|permanent
}<ip-address><hardware-address>
Thisaddsarpentryin
static/permanentbinding.
Todeletearpentry,usethefollowingcommand.
CommandFunction
ZXR10#cleararp-cacheinterface{supervlan<id>|vlan<i
d>}[<ipaddress>|dynamic|permanet|static]
Thisdeletesalldynamicarp
entriesinfromspecicinterface
ARPbuffer .
ARPConfigurationExample
ARPcongurationexampleisshownasfollows.
ZXR10(config)#interfacevlan1
ZXR10(config-if-vlan1)#arptimeout1200
ARPentryofdesignatedinterfacecanbeviewedwithshowarp
[<interface-name>]command.
ThefollowingexampleshowstheARPtableofthelayer3interface
VLAN1.
ZXR10#showarp
AddressAge(min)HardwareAddrInterface
10.1.1.1-000a.010c.e2c6vlan1
10.1.100.1001800b0.d08f.820avlan1
10.10.10.2S0000.1111.2222vlan1
10.10.10.3P0000.1111.2221vlan1
ZXR10#
50CondentialandProprietaryInformationofZTECORPORATION