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 Flush ARP cache of all specified interfaces.
-hashinfo Show information on hash table health.
-hw=<pattern> Show only hardware addresses matching pattern.
-hwsender=<Ethernet Address> Sender ethernet address.
-ip=<pattern> Show only IP addresses matching pattern.
-notify=<ip> Send gratuitous ARP for <ip>.
-num=<n> Show only the first <n> entries per interface.
(Default: 20)
-show Show ARP entries for given interface(s).
<Interface> Interface name.
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
35
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