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Enterasys SecureStack B3 User Manual

Enterasys SecureStack B3
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ip proxy-arp
SecureStack B3 Configuration Guide 17-9
Defaults
None.
Mode
Globalconfiguration:B3(su)‐>router(Config)#
Usage
TheIPaddressspecifiedforthestaticARPentrymustfallwithinoneofthesubnetsornetworks
definedontheroutedinterfacesofthesystem(orstack,ifapplicable).Thesystemcanthenmatch
theIPaddressofthestaticARPentrywiththeappropriateroutedinterfaceandassociate
itwith
thecorrectVLAN.
Example
ThisexampleshowshowtoaddapermanentARPentryfortheIPaddress130.2.3.1andMAC
address0003.4712.7a99:
B3(su)->router(Config)#arp 130.2.3.1 0003.4712.7a99
ip proxy-arp
UsethiscommandtoenableproxyARPonaninterface.Thenoformofthiscommanddisables
proxyARP.
Syntax
ip proxy-arp
no ip proxy-arp
Parameters
None.
Defaults
Disabled.
Mode
Interfaceconfiguration:B3(su)‐>router(Config‐if(Vlan1))#
Usage
ThisvariationoftheARPprotocolallowstheroutertosendanARPresponseonbehalfofanend
nodetotherequestinghost.ProxyARPcanbeusedtoresolveroutingissuesonendstationsthat
areunabletorouteinthesubnettedenvironment.TheSecureStackB3willanswertoARP
requests
onbehalfoftargetedendstationsonneighboringnetworks.Itisdisabledbydefault.
Example
ThisexampleshowshowtoenableproxyARPonVLAN1:
B3(su)->router(Config)#interface vlan 1
B3(su)->router(Config-if(Vlan 1))#ip proxy-arp

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Enterasys SecureStack B3 Specifications

General IconGeneral
BrandEnterasys
ModelSecureStack B3
CategorySwitch
LanguageEnglish

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