Address Resolution Protocol (ARP) Parameters

Last Updated
2009-04-24
Note
Reverse Address Resolution Protocol Operation Codes
The Reverse Address Resolution Protocol (RARP) specified in [RFC903]
uses the "Reverse" codes below.

DYNAMIC REVERSE ARP
The Dynamic Reverse Address Resolution Protocol (DRARP) uses the
"DRARP" codes below.  For further information, see [RFC1931]

INVERSE ADDRESS RESOLUTION PROTOCOL
The Inverse Address Resolution Protocol (IARP) specified in [RFC1293]
uses the "InARP" codes below.

This registry is also available in XML and plain text formats.

Registries included below

Operation Codes

Reference
[RFC826][RFC5494]
Registration Procedures
IETF Review or IESG Approval
Number Operation Code (op) References
0 Reserved [RFC5494]
1 REQUEST [RFC826][RFC5227]
2 REPLY [RFC826][RFC5227]
3 request Reverse [RFC903]
4 reply Reverse [RFC903]
5 DRARP-Request [RFC1931]
6 DRARP-Reply [RFC1931]
7 DRARP-Error [RFC1931]
8 InARP-Request [RFC1293]
9 InARP-Reply [RFC1293]
10 ARP-NAK [RFC1577]
11 MARS-Request [Grenville_Armitage]
12 MARS-Multi [Grenville_Armitage]
13 MARS-MServ [Grenville_Armitage]
14 MARS-Join [Grenville_Armitage]
15 MARS-Leave [Grenville_Armitage]
16 MARS-NAK [Grenville_Armitage]
17 MARS-Unserv [Grenville_Armitage]
18 MARS-SJoin [Grenville_Armitage]
19 MARS-SLeave [Grenville_Armitage]
20 MARS-Grouplist-Request [Grenville_Armitage]
21 MARS-Grouplist-Reply [Grenville_Armitage]
22 MARS-Redirect-Map [Grenville_Armitage]
23 MAPOS-UNARP [Mitsuru_Maruyama][RFC2176]
24 OP_EXP1 [RFC5494]
25 OP_EXP2 [RFC5494]
26-65534 Unassigned
65535 Reserved [RFC5494]

Hardware Types

Reference
[RFC826][RFC5494]
Range Registration Procedure Notes
requests for values below 256 Expert Review
requests for more than one value Expert Review
requests for one value greater than 255 First Come First Served
requests for one value, no value specified First Come First Served can only be assigned a two-octet value (i.e., a value greater than 255)
Number Hardware Type (hrd) Reference
0 Reserved [RFC5494]
1 Ethernet (10Mb) [Jon_Postel]
2 Experimental Ethernet (3Mb) [Jon_Postel]
3 Amateur Radio AX.25 [Philip_Koch]
4 Proteon ProNET Token Ring [Avri_Doria]
5 Chaos [Gill_Pratt]
6 IEEE 802 Networks [Jon_Postel]
7 ARCNET [RFC1201]
8 Hyperchannel [Jon_Postel]
9 Lanstar [Tom_Unger]
10 Autonet Short Address [Mike_Burrows]
11 LocalTalk [Joyce_K_Reynolds]
12 LocalNet (IBM PCNet or SYTEK LocalNET) [Joseph Murdock]
13 Ultra link [Rajiv_Dhingra]
14 SMDS [George_Clapp]
15 Frame Relay [Andy_Malis]
16 Asynchronous Transmission Mode (ATM) [[JXB2]]
17 HDLC [Jon_Postel]
18 Fibre Channel [RFC4338]
19 Asynchronous Transmission Mode (ATM) [RFC2225]
20 Serial Line [Jon_Postel]
21 Asynchronous Transmission Mode (ATM) [Mike_Burrows]
22 MIL-STD-188-220 [Herb_Jensen]
23 Metricom [Jonathan_Stone]
24 IEEE 1394.1995 [Myron_Hattig]
25 MAPOS [Mitsuru_Maruyama][RFC2176]
26 Twinaxial [Marion_Pitts]
27 EUI-64 [Kenji_Fujisawa]
28 HIPARP [Jean_Michel_Pittet]
29 IP and ARP over ISO 7816-3 [Scott_Guthery]
30 ARPSec [Jerome_Etienne]
31 IPsec tunnel [RFC3456]
32 InfiniBand (TM) [RFC4391]
33 TIA-102 Project 25 Common Air Interface (CAI) [Jeff Anderson, Telecommunications Industry of America (TIA) TR-8.5 Formulating Group, <cja015&motorola.com>, June 2004]
34 Wiegand Interface [Scott_Guthery_2]
35 Pure IP [Inaky_Perez-Gonzalez]
36 HW_EXP1 [RFC5494]
37-255 Unassigned
256 HW_EXP2 [RFC5494]
257-65534 Unassigned
65535 Reserved [RFC5494]

Protocol Type

Reference
[RFC826][RFC5494][RFC5342]
Note
These numbers share the Ethertype space. See: <http://www.iana.org/assignments/ethernet-numbers>
Registration Procedures
The Ethertype space is administered as described in [RFC5342].
Registry is empty.

People

ID Name Contact URI Last Updated
[Andy_Malis] Andy Malis malis_a&timeplex.com
[Avri_Doria] Avri Doria avri&peoteon.com 1994-12
[George_Clapp] George Clapp meritec!clapp&bellcore.bellcore.com
[Gill_Pratt] Gill Pratt mailto:gill%25mit-ccc@mc.lcs.mit.edu
[Grenville_Armitage] Grenville Armitage gja&thumper.belcore.com 1995-04
[Herb_Jensen] Herb Jensen hwjensen&itt.com 1995-02
[Inaky_Perez-Gonzalez] Inaky Perez-Gonzalez inaky.perez-gonzalez&intel.com 2008-10-01
[Jean_Michel_Pittet] Jean-Michel Pittet jmp&gandalf.engr.sgi.com 1998-11
[Jerome_Etienne] Jerome Etienne jetienne&arobas.net 2000-06
[Jon_Postel] Jon Postel postel&isi.edu
[Jonathan_Stone] Jonathan Stone jonathan&dsg.stanford.edu 1996-05
[Joyce_K_Reynolds] Joyce K. Reynolds jkrey&isi.edu
[Kenji_Fujisawa] Kenji Fujisawa fujisawa&sm.sony.co.jp 1998-10
[Marion_Pitts] Marion Pitts marionp&vnet.ibm.com 1997-05
[Mike_Burrows] Mike Burrows burrows&src.dec.com
[Mitsuru_Maruyama] Mitsuru Maruyama mitsuru&ntt-20.ecl.net 1997-03
[Myron_Hattig] Myron Hattig Myron_Hattig&ccm.jf.intel.com 1997-02
[Philip_Koch] Philip Koch Philip.Koch&dartmouth.edu
[Rajiv_Dhingra] Rajiv Dhingra rajiv&ultra.com
[Scott_Guthery] Scott Guthery sguthery&mobile-mind.com 2000-03
[Scott_Guthery_2] Scott Guthery sguthery&hidcorp.com 2008-09-25
[Tom_Unger] Tom Unger tom&citi.umich