Arpsnoop - D-Link DFL-260E Reference Manual

The presented list can be filtered using the ip and hw options.
Usage
arp
Show all ARP entries.
arp -show [<Interface>] [-ip=<pattern>] [-hw=<pattern>] [-num=<n>]
Show ARP entries.
arp -hashinfo [<Interface>]
Show information on hash table health.
arp -flush [<Interface>]
Flush ARP cache of specified interface.
arp -notify=<ip> [<Interface>] [-hwsender=<Ethernet Address>]
Send gratuitous ARP for IP.
Options
-flush
-hashinfo
-hw=<pattern>
-hwsender=<Ethernet Address>
-ip=<pattern>
-notify=<ip>
-num=<n>
-show
<Interface>

2.2.5. arpsnoop

Toggle snooping and displaying of ARP requests.
Description
Toggle snooping and displaying of ARP queries and responses on-screen.
The snooped messages are displayed before the access section validates the sender IP addresses
in the ARP data.
Chapter 2: Command Reference
Flush ARP cache of all specified interfaces.
Show information on hash table health.
Show only hardware addresses matching pattern.
Sender ethernet address.
Show only IP addresses matching pattern.
Send gratuitous ARP for <ip>.
Show only the first <n> entries per interface.
(Default: 20)
Show ARP entries for given interface(s).
Interface name.
35