Enterasys N Standalone (NSA) Series Configuration Manual page 936

IP Configuration Command Set
Reviewing and Configuring the ARP Table
12.2.4.4 ip gratuitous-arp-learning
Use this command to allow an interface to learn new ARP bindings using gratuitous ARP. This
command will be in effect if the ip gratuitous-arp ignore command
There will be no learning from gratuitous ARP frames, even with the ip gratuitous-arp-learning
command enabled.
ip gratuitous-arp-learning {both | reply | request}
Syntax Description
both | reply |
request
Command Syntax of the "no" Form
The "no" form of this command disables gratuitous ARP learning:
no ip gratuitous-arp-learning
Command Type
Router command.
Command Mode
Interface configuration: Matrix>Router1(config-if(Vlan 1))#
Command Defaults
None.
Example
This example shows how to enable gratuitous ARP learning for both requests and replies on
VLAN 1:
Matrix>Router1(config)#interface vlan 1
Matrix>Router1(config-if(Vlan 1))#ip gratuitous-arp-learning both
12-24 Matrix NSA Series Configuration Guide
Allows learning from gratuitous ARP reply, ARP request, or
from both the ARP reply and request.
(Section 12.2.4.3) is used.