$ curl cheat.sh/
 cheat.sheets:arp 
# arp
# Display or manipulate the ARP cache.

# Display the current ARP cache
arp -a

# Display the ARP entry for a specific host
arp -a <hostname_or_ip>

# Add a static ARP entry
sudo arp -s <ip_address> <mac_address>

# Delete a specific ARP entry
sudo arp -d <hostname_or_ip>

# Set the ARP timeout value
sudo arp -v -t <seconds>

 tldr:arp 
# arp
# Show and manipulate your system's ARP cache.
# More information: <https://manned.org/arp>.

# Show the current ARP table:
arp -a

# Delete a specific entry:
arp -d address

# Create an entry in the ARP table:
arp -s address mac_address

$
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