net::arp(3pm) [debian man page]

ARP(3pm)						User Contributed Perl Documentation						  ARP(3pm)

NAME

       ARP - Perl extension for creating ARP packets

SYNOPSIS

	 use Net::ARP;
	 Net::ARP::send_packet('lo',		     # Device
			       '127.0.0.1',	     # Source IP
			       '127.0.0.1',	     # Destination IP
			       'aa:bb:cc:aa:bb:cc',  # Source MAC
			       'aa:bb:cc:aa:bb:cc',  # Destinaton MAC
			       'reply');	     # ARP operation

       $mac = Net::ARP::get_mac("eth0");

       print "$mac
";

       $mac = Net::ARP::arp_lookup($dev,"192.168.1.1");

       print "192.168.1.1 has got mac $mac
";

   IMPORTANT
       Version 1.0 will break with the API of PRE-1.0 versions, because the return value of arp_lookup() and get_mac() will no longer be passed as
       parameter, but returned!  I hope this decision is ok as long as we get a cleaner and more perlish API.

   DESCRIPTION
       This module can be used to create and send ARP packets and to get the mac address of an ethernet interface or ip address.

       send_packet()
	     Net::ARP::send_packet('lo',		 # Device
				   '127.0.0.1', 	 # Source IP
				   '127.0.0.1', 	 # Destination IP
				   'aa:bb:cc:aa:bb:cc',  # Source MAC
				   'aa:bb:cc:aa:bb:cc',  # Destinaton MAC
				   'reply');		 # ARP operation

	     I think this is self documentating.
	     ARP operation can be one of the following values:
	     request, reply, revrequest, revreply, invrequest, invreply.
	     The default ARP operation is reply.

       get_mac()
	     $mac = Net::ARP::get_mac("eth0");

	     This gets the MAC address of the eth0 interface and stores
	     it in the variable $mac. The return value is "unknown" if
	     the mac cannot be looked up.

       arp_lookup()
	     $mac = Net::ARP::arp_lookup($dev,"192.168.1.1");

	     This looks up the MAC address for the ip address 192.168.1.1
	     and stores it in the variable $mac. The return value is
	     "unknown" if the mac cannot be looked up.

SEE ALSO

	man -a arp

AUTHOR

	Bastian Ballmann [ Balle@chaostal.de ]
	http://www.datenterrorist.de

COPYRIGHT AND LICENSE

       Copyright (C) 2004-2007 by Bastian Ballmann

       This library is free software; you can redistribute it and/or modify it under the same terms as Perl itself, either Perl version 5.8.1 or,
       at your option, any later version of Perl 5 you may have available.

perl v5.14.2							    2009-04-24								  ARP(3pm)

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 succeeded 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>.  It is now maintained by YOSHIFUJI Hideaki <yoshfuji@skbuff.net>.

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  at	http://www.skbuff.net/iputils/iputils-cur-
       rent.tar.bz2.

iputils-101006							   12 April 2011							 ARPING(8)