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ARPDIG(1)		FreeBSD	General	Commands Manual		     ARPDIG(1)

NAME
     arpdig -- dig an interface	for arp	responses

SYNOPSIS
     arpdig [-nq] [-i ifname] [-F fromaddr] netblock/len
     arpdig [-n] -p [-F	fromaddr] [-f file] ipaddr ...

DESCRIPTION
     The arpdig	utility	is used	to send	a bunch	of ARP whohas requests for a
     given address block or list and collect and show ARP responses to them.

     The following options are available:

     -n	     Disable nameserver	lookups	for IP addresses responded.

     -q	     Be	less verbose; show nothing but ARP responses and/or er-
	     rors/warnings.

     -F	fromaddr
	     Send ARP whohas requests from given IP address.

     -i	ifname
	     Send ARP whohas requests via given	interface instead of auto-de-
	     termined one.

     -p	     Probe list	of IP addresses	specified instead of whole netblock.

     -f	file
	     Using together with -p flag, instructs arpdig to read IP address
	     list from file and	prepend	it to the list specified on the	com-
	     mand line.

     By	default, arpdig	determines the interface to send ARP requests by ask-
     ing the kernel for	a route	to the netblock.  A warning will be emitted if
     no	such route can be obtained.

     If	no -F flag is given, arpdig uses the first IP address inside the
     probed block on selected interface.  If no	such address exists, 0.0.0.0
     will be used.

REQUIREMENTS
     arpdig uses bpf(4)	both for sending ARP requests and for listening	to ARP
     responses.

SEE ALSO
     bpf(4)

BUGS
     Late ARP responses	may be missed.

     Probe mode	should be rewritten to use bpf(4) more effeciently.

     Using -F with argument 0 acts as there is no -F flag instead of asking
     from 0.0.0.0 address.

HISTORY
     arpdig birth was inspired by arping utility written by Thomas Habets
     <thomas@habets.pp.se>.

AUTHOR
     arpdig was	written	by Dmitry Morozovsky <marck@FreeBSD.org>.

FreeBSD	13.0		       January 17, 2010			  FreeBSD 13.0

NAME | SYNOPSIS | DESCRIPTION | REQUIREMENTS | SEE ALSO | BUGS | HISTORY | AUTHOR

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