Gratuitous Arp - Panasonic GA-ML Series Manual

6.2

Gratuitous ARP

Use the following window to implement the settings on gratuitous ARP
and display its settings. Gratuitous ARP request packets are the ARP
request packets whose destination MAC address is a broadcast address;
an IP address of the source and destination for gratuitous ARP packets is
configured on an IP address of a transmission device. The device uses ARP
request packets to accurately check if the IP address has duplications with
other hosts. Alternatively, the device reconfigures or loads the ARP cache
entries of the host connected to an interface, in advance.
Choose L3 Features > Gratuitous ARP to display the following window.
In the section of Gratuitous ARP Global Settings, you can configure the
following parameters.
IP Gratuitous ARP
State
Gratuitous ARP
Trap State
IP Gratuitous ARP
Dad-Reply State
Gratuitous ARP
Learning State
Click Apply to reflect the change.
Figure 6-4 Gratuitous ARP
Parameter
This parameter enables or disables to transmit
gratuitous ARP request packets.
This parameter enables or disables the trap state of a
gratuitous ARP function.
This parameter enables or disables the IP gratuitous
ARP Dad-Reply state.
This parameter enables or disables the gratuitous ARP
learning state. Normally, this system learns the ARP
entries, only, from the normal ARP-request packets,
which require a MAC address and an IP address of the
ARP entry from ARP request packets or a switch. Use
this option to enable or disable to learn the ARP entries
based on the gratuitous ARP packets received. A source
IP address transmits gratuitous ARP packets to become
the same with the IP address where packets are (on) the
queried state.
6 L3 Features
6.2 Gratuitous ARP
Overview
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