Command Reference Guide

3Com Router 3000 Ethernet Family
Command Reference Guide Chapter 2 ARP Configuration Commands
3Com Corporation
2-8
<3ComA> system-view
System View: return to User View with Ctrl+Z.
[3ComA] gratuitous-arp-learning enable
2.3.2 gratuitous-arp-sending enable
Syntax
gratuitous-arp-sending enable
undo gratuitous-arp-sending enable
View
System view
Parameter
None
Description
Use the gratuitous-arp-sending enable command to configure the system to return
ARP responses when receiving gratuitous ARP packets from other network segments.
The system, however, does not learn the received ARP entries.
Use the undo gratuitous-arp-sending enable command to disable the system to
respond to gratuitous ARP requests from .
By default, the system does not return ARP responses when receiving gratuitous ARP
packets from different network segments.
Example
# Configure the system to return ARP responses when receiving gratuitous ARP
packets from different network segments.
[Router] gratuitous-arp-sending enable
2.4 Authorized ARP Configuration Commands
2.4.1 arp security
Syntax
arp security
undo arp security
View
Ethernet interface view