User`s guide

Reviewing and Configuring the ARP Table
7-12 Configuring IP
Displaying or Writing the Current Config to a File
TheMatrixDFESeries/N‐SA’ssingleconfigurationinterfaceallowsyouusetheshowconfig
commandtodisplayorwritethecurrentrouterconfigurationtoafile.Fordetails,referbackto
DisplayingtheRunningConfigurationonpage 7‐10.
Configuring the Router
Youcanconfiguretherouterusingeitherofthefollowingmethods.
Using a downloaded file...
1. Downloadarouterconfigfiletothechassisusingthecopycommand
2. Runtheconfigurecommandusingthedownloadedconfigfile.
Formoreinformationonthesecommands,referto“ManagingConfigurationand Ima geFiles”
(page 2‐7).
Creating and saving a custom file...
1. ConfigureamoduleforroutingusingthesetroutercommandasdescribedinProcedure 3 ‐1.
2. EnabletherouterasdescribedinProcedure 3‐1andconfigureitmanually.
3. Savetheconfigurationusingthewritefilecommandasdescribedin“SavingorErasingthe
RunningConfiguration”(page 7 ‐11).
Reviewing and Configuring the ARP Table
TheMatrixDFESeriesorN‐SAdeviceallowsyoutoconfigureAddressResolutionProtocol(ARP)
tableentriesandparameters.ARPisusedtoassociateIPaddresseswithMACaddresses.Once
determined,theIPaddress/MACassociationisstoredinanARPcacheforrapidretriev al.AnIP
datagramisthenencapsulated
intoalink‐layerframeandsentoverthenetwork.
UsetheproceduresinthissectiontoperformthefollowingARPtableconfigurationtasks:
• Displayingthe ARPTable
• AddingorRemovingStaticARPEntries
• DisablingorRe‐enablingProxyARPonanInterface
• AssigningaMACAddresstoanInterface
• Changing
theARPTimeout
• ClearingtheARPCache
Displaying the ARP Table
Fromanyroutermode,usethiscommandtodisplayentriesintheARPtable.
show ip arp [ip-address] [vlan vlan-id] [output-modifier]
Optionaloutputmodifiersareasfollows:
• |beginip‐address—DisplaysonlyARPentriesthatbeginwiththespecifiedIPaddress.
• |excludeip‐address—ExcludesARPentriesmatchingthespecifiedIPaddress.
• |includeip‐address—IncludesARP entriesmatchingthespecifiedIPaddress.
Ifnoparameters
arespecified,allentriesintheARPtablewillbedisplayed.