{
    "mode": "man",
    "parameter": "RARP",
    "section": "8",
    "url": "https://www.chedong.com/phpMan.php/man/RARP/8/json",
    "generated": "2026-05-30T09:07:45Z",
    "synopsis": "",
    "sections": {
        "NAME": {
            "content": "rarp - manipulate the system RARP table\n",
            "subsections": []
        },
        "SYNOPSIS": {
            "content": "",
            "subsections": [
                {
                    "name": "rarp [-V] [--version] [-h] [--help]",
                    "content": ""
                },
                {
                    "name": "rarp -a",
                    "content": ""
                },
                {
                    "name": "rarp [-v] -d hostname ...",
                    "content": "rarp [-v] [-t type] -s hostname hwaddr\n"
                }
            ]
        },
        "NOTE": {
            "content": "This  program  is  obsolete.  From version 2.3, the Linux kernel no longer contains RARP sup‐\nport.  For a replacement RARP daemon, see ftp://ftp.dementia.org/pub/net-tools\n",
            "subsections": []
        },
        "DESCRIPTION": {
            "content": "Rarp manipulates the kernel's RARP table in various ways.  The primary options  are  clearing\nan  address mapping entry and manually setting up one.  For debugging purposes, the rarp pro‐\ngram also allows a complete dump of the RARP table.\n",
            "subsections": []
        },
        "OPTIONS": {
            "content": "",
            "subsections": [
                {
                    "name": "-V",
                    "content": "",
                    "flag": "-V"
                },
                {
                    "name": "-v",
                    "content": "",
                    "flag": "-v"
                },
                {
                    "name": "-t type",
                    "content": "When setting or reading the RARP table, this optional parameter tells rarp which class\nof  entries  it  should check for.  The default value of this parameter is ether (i.e.\nhardware code 0x01 for IEEE 802.3 10Mbps Ethernet .  Other values might  include  net‐\nwork technologies such as AX.25 (ax25) and NET/ROM (netrom).\n",
                    "flag": "-t"
                },
                {
                    "name": "-a",
                    "content": "--list Lists the entries in the RARP table.\n",
                    "flag": "-a"
                },
                {
                    "name": "-d hostname",
                    "content": "",
                    "flag": "-d"
                },
                {
                    "name": "--delete hostname",
                    "content": "Remove all RARP entries for the specified host.\n",
                    "long": "--delete"
                },
                {
                    "name": "-s",
                    "content": "--set hostname hwaddr\nCreate  a  RARP  address  mapping entry for host hostname with hardware address set to\nhwaddr.  The format of the hardware address is dependent on the hardware  class,  but\nfor most classes one can assume that the usual presentation can be used.  For the Eth‐\nernet class, this is 6 bytes in hexadecimal, separated by colons.\n",
                    "flag": "-s"
                }
            ]
        },
        "WARNING": {
            "content": "Some systems (notably older Suns) assume that the host replying to a RARP query can also pro‐\nvide  other  remote  boot  services. Therefore never gratuitously add rarp entries unless you\nwish to meet the wrath of the network administrator.\n",
            "subsections": []
        },
        "FILES": {
            "content": "/proc/net/rarp,\n",
            "subsections": []
        },
        "SEE ALSO": {
            "content": "arp(8), route(8), ifconfig(8), netstat(8)\n",
            "subsections": []
        },
        "AUTHORS": {
            "content": "Ross D. Martin, <martin@trcsun3.eas.asu.edu>\nFred N. van Kempen, <waltje@uwalt.nl.mugnet.org>\nPhil Blundell, <Philip.Blundell@pobox.com>\n\n\n\nnet-tools                                    2008-10-03                                      RARP(8)",
            "subsections": []
        }
    },
    "summary": "rarp - manipulate the system RARP table",
    "flags": [
        {
            "flag": "-V",
            "long": null,
            "arg": null,
            "description": ""
        },
        {
            "flag": "-v",
            "long": null,
            "arg": null,
            "description": ""
        },
        {
            "flag": "-t",
            "long": null,
            "arg": null,
            "description": "When setting or reading the RARP table, this optional parameter tells rarp which class of entries it should check for. The default value of this parameter is ether (i.e. hardware code 0x01 for IEEE 802.3 10Mbps Ethernet . Other values might include net‐ work technologies such as AX.25 (ax25) and NET/ROM (netrom)."
        },
        {
            "flag": "-a",
            "long": null,
            "arg": null,
            "description": "--list Lists the entries in the RARP table."
        },
        {
            "flag": "-d",
            "long": null,
            "arg": null,
            "description": ""
        },
        {
            "flag": "",
            "long": "--delete",
            "arg": null,
            "description": "Remove all RARP entries for the specified host."
        },
        {
            "flag": "-s",
            "long": null,
            "arg": null,
            "description": "--set hostname hwaddr Create a RARP address mapping entry for host hostname with hardware address set to hwaddr. The format of the hardware address is dependent on the hardware class, but for most classes one can assume that the usual presentation can be used. For the Eth‐ ernet class, this is 6 bytes in hexadecimal, separated by colons."
        }
    ],
    "examples": [],
    "see_also": [
        {
            "name": "arp",
            "section": "8",
            "url": "https://www.chedong.com/phpMan.php/man/arp/8/json"
        },
        {
            "name": "route",
            "section": "8",
            "url": "https://www.chedong.com/phpMan.php/man/route/8/json"
        },
        {
            "name": "ifconfig",
            "section": "8",
            "url": "https://www.chedong.com/phpMan.php/man/ifconfig/8/json"
        },
        {
            "name": "netstat",
            "section": "8",
            "url": "https://www.chedong.com/phpMan.php/man/netstat/8/json"
        }
    ]
}