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Annotation of embedaddon/choparp/choparp.8, revision 1.1.1.1.2.2

1.1       misho       1: .\" Copyright (c) 1997 by Takamichi Tateoka.  All rights reserved.
                      2: .\"
                      3: .\" Redistribution and use in source and binary forms, with or without
                      4: .\" modification, are permitted provided that the following conditions
                      5: .\" are met:
                      6: .\" 1. Redistributions of source code must retain the above copyright
                      7: .\"    notice, this list of conditions and the following disclaimer.
                      8: .\" 2. Redistributions in binary form must reproduce the above copyright
                      9: .\"    notice, this list of conditions and the following disclaimer in the
                     10: .\"    documentation and/or other materials provided with the distribution.
                     11: .\" 3. All advertising materials mentioning features or use of this software
                     12: .\"    must display the following acknowledgement:
                     13: .\"    This product includes software developed by Takamichi Tateoka.
                     14: .\" 4. Neither the name of the author may be used to endorse or promote
                     15: .\"    products derived from this software without specific prior
                     16: .\"    written permission.
                     17: .\"
                     18: .\" THIS SOFTWARE IS PROVIDED BY TAKAMICHI TATEOKA ``AS IS'' AND
                     19: .\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     20: .\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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                     22: .\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     23: .\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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                     25: .\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     26: .\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     27: .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     28: .\" SUCH DAMAGE.
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1.1.1.1.2.2! misho      30: .Dd November 20, 2014
1.1       misho      31: .Dt CHOPARP 8
                     32: .Os
                     33: .Sh NAME
                     34: .Nm choparp
                     35: .Nd cheap and omitted proxy ARP
                     36: .Sh SYNOPSIS
1.1.1.1.2.2! misho      37: .Nm chpoarp
1.1       misho      38: .Ar if_name mac_addr
                     39: .Oo Fl Oc Ns Ar net_addr Ns
                     40: .Op / Ns Ar net_mask
                     41: .Ar ...
                     42: .Sh DESCRIPTION
                     43: .Pp
                     44: .Nm choparp 
1.1.1.1.2.2! misho      45: is a easy-to-use proxy ARP daemon.
1.1       misho      46: It watches ARP request packets visible on the interface specified by argument
                     47: .Ar if_name ,
                     48: and sends proxy ARP reply to the sender if the ARP request queries the
                     49: MAC address
                     50: .Pq ethernet hardware address
                     51: for the network specified by
                     52: .Ar net_addr Ns / Ar net_mask .
                     53: .Pp
                     54: .Ar mac_addr
1.1.1.1.2.2! misho      55: is th MAC address to be published for the specified hosts.
1.1       misho      56: It is normally the address of
                     57: .Ar if_name .
                     58: The format of
                     59: .Ar mac_addr
                     60: must be 6 colon-separated bytes of hexadecimal value, such as
                     61: .Ad 00:00:01:01:14:46 .
                     62: The keyword
                     63: .Ad auto
                     64: can also be used to use the address of
                     65: .Ar if_name
1.1.1.1.2.2! misho      66: from the system configuration.
        !            67: .Pp
        !            68: A
        !            69: .Xr carp 4
        !            70: virtual router address can be specified as
        !            71: .Ad vhid:<hex>
        !            72: .
1.1       misho      73: .Pp
                     74: .Ar net_addr
                     75: must be in dotted quad notation
                     76: .Pq for example Ad 133.138.1.134
                     77: or be a 32 bit hexadecimal value starting with
                     78: .Dq 0x
                     79: .Pq for example Ad 0x858a0186 .
                     80: .Ar net_mask
1.1.1.1.2.2! misho      81: can likewise be speficied as a dotted quad or hexadecimal value,
1.1       misho      82: or alternatively as a mask length. The following address specifications
                     83: are therefore equivalent:
                     84: .Bl -item -offset indent
                     85: .It
                     86: .Ad 192.168.98.0/255.255.254.0
                     87: .It
                     88: .Ad 192.168.98.0/0xfffffe00
                     89: .It
                     90: .Ad 192.168.98.0/23
                     91: .El
                     92: .Pp
                     93: Multiple addresses can be specified.
                     94: Addresses can be
                     95: .Em excluded
                     96: by preceding them with
                     97: .Fl
                     98: .Sh EXAMPLES
                     99: If you have network interface
                    100: .Dq ne0
                    101: with MAC address
                    102: .Dq 00:00:01:01:14:16 ,
                    103: and would like to send proxy ARP reply for 192.168.0.64/26,
                    104: the argument would be as follows:
                    105: .Bd -literal -offset indent
                    106: choparp ne0 00:00:01:01:14:46 192.168.0.64/255.255.255.192
                    107: .Ed
                    108: .Sh BUGS
                    109: Supports Ethernet interfaces only.
                    110: Handles single interface at a time.
                    111: .Pq you can start multiple Nm choparp No for multiple interfaces, though .