| arp.4 (f247324df75b7f55b48b92acb3b42a5ae2deac8a) | arp.4 (8a4e484995c537c8d8832b3feca1d7ce80e08917) |
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| 1.\" Copyright (c) 1985, 1986, 1988, 1994 2.\" The Regents of the University of California. All rights reserved. 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice, this list of conditions and the following disclaimer. --- 27 unchanged lines hidden (view full) --- 36.Dt ARP 4 37.Os 38.Sh NAME 39.Nm arp 40.Nd Address Resolution Protocol 41.Sh SYNOPSIS 42.Cd "pseudo-device ether" 43.Sh DESCRIPTION | 1.\" Copyright (c) 1985, 1986, 1988, 1994 2.\" The Regents of the University of California. All rights reserved. 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice, this list of conditions and the following disclaimer. --- 27 unchanged lines hidden (view full) --- 36.Dt ARP 4 37.Os 38.Sh NAME 39.Nm arp 40.Nd Address Resolution Protocol 41.Sh SYNOPSIS 42.Cd "pseudo-device ether" 43.Sh DESCRIPTION |
| 44The Address Resolution Protocol (ARP) is a protocol used to dynamically 45map between Internet host addresses and 10Mb/s Ethernet addresses. 46It is used by all the 10Mb/s Ethernet interface drivers. 47It is not specific to Internet protocols or to 10Mb/s Ethernet, 48but this implementation currently supports only that combination. | 44The Address Resolution Protocol (ARP) is used to dynamically 45map between Protocol Addresses (such as IP addresses) and 46Local Network Addresses (such as Ethernet addresses). 47This implementation maps IP addresses to Ethernet, 48ARCnet, 49or Token Ring addresses. 50It is used by all the Ethernet interface drivers. |
| 49.Pp 50ARP caches Internet-Ethernet address mappings. 51When an interface requests a mapping for an address not in the cache, 52ARP queues the message which requires the mapping and broadcasts 53a message on the associated network requesting the address mapping. 54If a response is provided, the new mapping is cached and any pending 55message is transmitted. 56ARP will queue at most one packet while waiting for a response to a --- 85 unchanged lines hidden --- | 51.Pp 52ARP caches Internet-Ethernet address mappings. 53When an interface requests a mapping for an address not in the cache, 54ARP queues the message which requires the mapping and broadcasts 55a message on the associated network requesting the address mapping. 56If a response is provided, the new mapping is cached and any pending 57message is transmitted. 58ARP will queue at most one packet while waiting for a response to a --- 85 unchanged lines hidden --- |