Address Resolution Protocol (ARP) Parameters

Last Updated
2013-05-28
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 [RFC2390]
uses the "InARP" codes below.
Available Formats

XML

HTML

Plain text

Registries included below

Operation Codes

Registration Procedure(s)
IETF Review or IESG Approval
Reference
[RFC826][RFC5494]
Available Formats

CSV
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 [RFC2390]
9 InARP-Reply [RFC2390]
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

Expert(s)
Carlos Pignataro
Reference
[RFC826][RFC5494]
Available Formats

CSV
Range Registration Procedures Note
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 HFI [Tseng-Hui_Lin]
38-255 Unassigned
256 HW_EXP2 [RFC5494]
257-65534 Unassigned
65535 Reserved [RFC5494]

Protocol Type

Registration Procedure(s)
The Ethertype space is administered as described in [RFC5342].
Reference
[RFC826][RFC5494][RFC5342]
Note
These numbers share the Ethertype space. See: <http://www.iana.org/assignments/ethernet-numbers>
No registrations at this time.

People

ID Name Contact URI Last Updated
[Andy_Malis] Andy Malis mailto:agmalis&gmail.com 2013-05-28
[Avri_Doria] Avri Doria mailto:avri&peoteon.com 1994-12
[George_Clapp] George Clapp mailto:meritec!clapp&bellcore.bellcore.com
[Gill_Pratt] Gill Pratt mailto:gill%25mit-ccc@mc.lcs.mit.edu
[Grenville_Armitage] Grenville Armitage mailto:gja&thumper.belcore.com 1995-04
[Herb_Jensen] Herb Jensen mailto:hwjensen&itt.com 1995-02
[Inaky_Perez-Gonzalez] Inaky Perez-Gonzalez mailto:inaky.perez-gonzalez&intel.com 2008-10-01
[Jean_Michel_Pittet] Jean-Michel Pittet mailto:jmp&gandalf.engr.sgi.com 1998-11
[Jerome_Etienne] Jerome Etienne mailto:jetienne&arobas.net 2000-06
[Jon_Postel] Jon Postel mailto:postel&isi.edu
[Jonathan_Stone] Jonathan Stone mailto:jonathan&dsg.stanford.edu 1996-05
[Joyce_K_Reynolds] Joyce K. Reynolds mailto:jkrey&isi.edu
[Kenji_Fujisawa] Kenji Fujisawa mailto:fujisawa&sm.sony.co.jp 1998-10
[Marion_Pitts] Marion Pitts mailto:marionp&vnet.ibm.com 1997-05
[Mike_Burrows] Mike Burrows mailto:burrows&src.dec.com
[Mitsuru_Maruyama] Mitsuru Maruyama mailto:mitsuru&ntt-20.ecl.net 1997-03
[Myron_Hattig] Myron Hattig mailto:Myron_Hattig&ccm.jf.intel.com 1997-02
[Philip_Koch] Philip Koch mailto:Philip.Koch&dartmouth.edu
[Rajiv_Dhingra] Rajiv Dhingra mailto:rajiv&ultra.com
[Scott_Guthery] Scott Guthery mailto:sguthery&mobile-mind.com 2000-03
[Scott_Guthery_2] Scott Guthery mailto:sguthery&hidcorp.com 2008-09-25
[Tom_Unger] Tom Unger mailto:tom&citi.umich
[Tseng-Hui_Lin] Tseng-Hui Lin mailto:tsenglin&us.ibm.com