Enterasys Matrix DFE-Gold Series

ip gratuitous-arp Reviewing and Configuring the ARP Table
Enterasys Matrix DFE-Gold Series Configuration Guide 16-15
ip gratuitous-arp
UsethiscommandtooverridethenormalARPupdatingprocess,thatoccursbydefault.
Syntax
ip gratuitous-arp {ignore | reply | request}
no ip gratuitous-arp
Parameters
Defaults
None.
Mode
Routercommand,Interfaceconfiguration:Matrix>Router(config‐if(Vlan1))#
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.
ignore IgnoreallgratuitousARPframes,noupdateswilloccur.Thisoption
willalsopreventanynewlearningfromgratuitousarps,ifthe
commandipgratuitous‐arp‐learningwasused.(“ipgratuitous‐arp‐
learning”onpage 16‐15).
reply Updatefromgratuitousarpreplyonly.
request Updatefromgratuitousarprequestonly.
both|reply|request AllowslearningfromgratuitousARPreply,ARPrequest,orfromboth
theARPreplyandrequest.