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CHOPARP(8)		    System Manager's Manual		    CHOPARP(8)

NAME
       choparp -- cheap	and omitted proxy ARP

SYNOPSIS
       chpoarp if_name mac_addr	[-]net_addr[/net_mask] ...

DESCRIPTION
       choparp	is  a  easy-to-use  proxy  ARP daemon.	It watches ARP request
       packets visible on the interface	specified  by  argument	 if_name,  and
       sends  proxy ARP	reply to the sender if the ARP request queries the MAC
       address (ethernet  hardware  address)  for  the	network	 specified  by
       net_addr/ net_mask.

       mac_addr	is th MAC address to be	published for the specified hosts.  It
       is  normally  the address of if_name.  The format of mac_addr must be 6
       colon-separated bytes of	hexadecimal value, such	as  00:00:01:01:14:46.
       The  keyword  auto  can also be used to use the address of if_name from
       the system configuration.

       A carp(4) virtual router	address	can be specified as vhid:<hex>

       net_addr	must be	in dotted quad notation	(for example 133.138.1.134) or
       be  a  32  bit  hexadecimal  value  starting  with  "0x"	 (for  example
       0x858a0186).   net_mask	can  likewise be speficied as a	dotted quad or
       hexadecimal value, or alternatively as a	mask length. The following ad-
       dress specifications are	therefore equivalent:

	     192.168.98.0/255.255.254.0

	     192.168.98.0/0xfffffe00

	     192.168.98.0/23

       Multiple	addresses can be specified.  Addresses can be excluded by pre-
       ceding them with	-

EXAMPLES
       If   you	  have	 network   interface   "ne0"	with	MAC    address
       "00:00:01:01:14:16",  and  would	 like  to  send	 proxy	ARP  reply for
       192.168.0.64/26,	the argument would be as follows:

	     choparp ne0 00:00:01:01:14:46 192.168.0.64/255.255.255.192

BUGS
       Supports	Ethernet interfaces only.  Handles single interface at a time.
       (you can	start multiple choparp for multiple interfaces,	though).

FreeBSD	Ports 14.quarterly     November	20, 2014		    CHOPARP(8)

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