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man page for arping (all section 8)

ARPING(8)			 System Manager's Manual: iputils			ARPING(8)

NAME
       arping - send ARP REQUEST to a neighbour host

SYNOPSIS
       arping [ -AbDfhqUV]  [ -c count]  [ -w deadline]  [ -s source]  -I interface destination

DESCRIPTION
       Ping destination on device interface by ARP packets, using source address source.

OPTIONS
       -A     The same as -U, but ARP REPLY packets used instead of ARP REQUEST.

       -b     Send  only MAC level broadcasts. Normally arping starts from sending broadcast, and
	      switch to unicast after reply received.

       -c count
	      Stop after sending count ARP REQUEST packets. With deadline  option,  arping  waits
	      for count ARP REPLY packets, until the timeout expires.

       -D     Duplicate address detection mode (DAD). See RFC2131, 4.4.1.  Returns 0, if DAD suc-
	      ceeded i.e. no replies are received

       -f     Finish after the first reply confirming that target is alive.

       -I interface
	      Name of network device where to send ARP REQUEST packets. This option is required.

       -h     Print help page and exit.

       -q     Quiet output. Nothing is displayed.

       -s source
	      IP source address to use in ARP packets.	If this option is absent, source  address
	      is:

	      o In DAD mode (with option -D) set to 0.0.0.0.

	      o In Unsolicited ARP mode (with options -U or -A) set to destination.

	      o Otherwise, it is calculated from routing tables.

       -U     Unsolicited ARP mode to update neighbours' ARP caches.  No replies are expected.

       -V     Print version of the program and exit.

       -w deadline
	      Specify  a  timeout, in seconds, before arping exits regardless of how many packets
	      have been sent or received. In this case arping does not stop  after  count  packet
	      are sent, it waits either for deadline expire or until count probes are answered.

SEE ALSO
       ping(8), clockdiff(8), tracepath(8).

AUTHOR
       arping was written by Alexey Kuznetsov <kuznet@ms2.inr.ac.ru>.

SECURITY
       arping  requires CAP_NET_RAWIO capability to be executed. It is not recommended to be used
       as set-uid root, because it allows user to modify ARP caches of neighbour hosts.

AVAILABILITY
       arping is part of iputils package and the latest versions are  available  in  source  form
       for anonymous ftp ftp://ftp.inr.ac.ru/ip-routing/iputils-current.tar.gz.

iputils-020927				27 September 2002				ARPING(8)


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