Specifications

ip gratuitous-arp-learning Reviewing and Configuring the ARP Table
Enterasys Matrix N Standalone (NSA) Series Configuration Guide 16-15
Usage
The“no”formofthiscommandresumesdefaultARPprocessingasdescribedinRFC826,update
anexistingARPentryfromeitheragratuitousARPreplyorrequest.
Example
ThisexampleshowshowtoenableARPupdatingfromgratuitousARPrequestsonVLAN1:
Matrix>Router(config)#interface vlan 1
Matrix>Router(config-if(Vlan 1))#ip gratuitous-arp request
ip gratuitous-arp-learning
UsethiscommandtoallowaninterfacetolearnnewARPbindingsusinggratuitousARP.
Syntax
ip gratuitous-arp-learning {both | reply | request}
no ip gratuitous-arp-learning
Parameters
Defaults
None.
Mode
Routercommand,Interfaceconfiguration:Matrix>Router(config‐if(Vlan1))#
Usage
Thiscommandwillbeineffectiftheipgratuitous‐arpignorecommand(“ipgratuitous‐arp”on
page 16‐14)isused.TherewillbenolearningfromgratuitousARPframes,evenwiththeip
gratuitous‐arp‐learningcommandenabled.
The“no”formofthiscommanddisablesgratuitousARPlearning.
Example
ThisexampleshowshowtoenablegratuitousARPlearningforbothrequestsandreplieson
VLAN1:
Matrix>Router(config)#interface vlan 1
Matrix>Router(config-if(Vlan 1))#ip gratuitous-arp-learning both
both|reply|request AllowslearningfromgratuitousARPreply,ARPrequest,orfromboth
theARPreplyandrequest.