Protocol Numbers (original) (raw)
0
HOPOPT
IPv6 Hop-by-Hop Option
Y
[RFC8200]
1
ICMP
Internet Control Message
[RFC792]
2
IGMP
Internet Group Management
[RFC1112]
3
GGP
Gateway-to-Gateway
[RFC823]
4
IPv4
IPv4 encapsulation
[RFC2003]
5
ST
Stream
6
TCP
Transmission Control
[RFC9293]
7
CBT
CBT
8
EGP
Exterior Gateway Protocol
9
IGP
any private interior gateway (used by Cisco for their IGRP)
[Internet_Assigned_Numbers_Authority]
10
BBN-RCC-MON
BBN RCC Monitoring
11
NVP-II
Network Voice Protocol
12
PUP
PUP
[Boggs, D., J. Shoch, E. Taft, and R. Metcalfe, "PUP: An Internetwork Architecture", XEROX Palo Alto Research Center, CSL-79-10, July 1979; also in IEEE Transactions on Communication, Volume COM-28, Number 4, April 1980.][[XEROX]]
13
ARGUS (deprecated)
ARGUS
14
EMCON
EMCON
15
XNET
Cross Net Debugger
[Haverty, J., "XNET Formats for Internet Protocol Version 4", IEN 158, October 1980.][Jack_Haverty]
16
CHAOS
Chaos
17
UDP
User Datagram
[RFC768][Jon_Postel]
18
MUX
Multiplexing
[Cohen, D. and J. Postel, "Multiplexing Protocol", IEN 90, USC/Information Sciences Institute, May 1979.][Jon_Postel]
19
DCN-MEAS
DCN Measurement Subsystems
20
HMP
Host Monitoring
[RFC869][Bob_Hinden]
21
PRM
Packet Radio Measurement
22
XNS-IDP
XEROX NS IDP
["The Ethernet, A Local Area Network: Data Link Layer and Physical Layer Specification", AA-K759B-TK, Digital Equipment Corporation, Maynard, MA. Also as: "The Ethernet - A Local Area Network", Version 1.0, Digital Equipment Corporation, Intel Corporation, Xerox Corporation, September 1980. And: "The Ethernet, A Local Area Network: Data Link Layer and Physical Layer Specifications", Digital, Intel and Xerox, November 1982. And: XEROX, "The Ethernet, A Local Area Network: Data Link Layer and Physical Layer Specification", X3T51/80-50, Xerox Corporation, Stamford, CT., October 1980.][[XEROX]]
23
TRUNK-1
Trunk-1
24
TRUNK-2
Trunk-2
25
LEAF-1
Leaf-1
26
LEAF-2
Leaf-2
27
RDP
Reliable Data Protocol
[RFC908][Bob_Hinden]
28
IRTP
Internet Reliable Transaction
29
ISO-TP4
ISO Transport Protocol Class 4
30
NETBLT
Bulk Data Transfer Protocol
31
MFE-NSP
MFE Network Services Protocol
[Shuttleworth, B., "A Documentary of MFENet, a National Computer Network", UCRL-52317, Lawrence Livermore Labs, Livermore, California, June 1977.][Barry_Howard]
32
MERIT-INP
MERIT Internodal Protocol
33
DCCP
Datagram Congestion Control Protocol
[RFC4340]
34
3PC
Third Party Connect Protocol
35
IDPR
Inter-Domain Policy Routing Protocol
36
XTP
XTP
37
DDP
Datagram Delivery Protocol
38
IDPR-CMTP
IDPR Control Message Transport Proto
39
TP++
TP++ Transport Protocol
40
IL
IL Transport Protocol
41
IPv6
IPv6 encapsulation
[RFC2473]
42
SDRP
Source Demand Routing Protocol
43
IPv6-Route
Routing Header for IPv6
Y
44
IPv6-Frag
Fragment Header for IPv6
Y
45
IDRP
Inter-Domain Routing Protocol
46
RSVP
Reservation Protocol
[RFC2205][RFC3209][Bob_Braden]
47
GRE
Generic Routing Encapsulation
48
DSR
Dynamic Source Routing Protocol
[RFC4728]
49
BNA
BNA
[Gary Salamon]
50
ESP
Encap Security Payload
Y
[RFC4303]
51
AH
Authentication Header
Y
[RFC4302]
52
I-NLSP
Integrated Net Layer Security TUBA
53
SWIPE (deprecated)
IP with Encryption
54
NARP
NBMA Address Resolution Protocol
[RFC1735]
55
Min-IPv4
Minimal IPv4 Encapsulation
56
TLSP
Transport Layer Security Protocol using Kryptonet key management
57
SKIP
SKIP
58
IPv6-ICMP
ICMP for IPv6
[RFC8200]
59
IPv6-NoNxt
No Next Header for IPv6
[RFC8200]
60
IPv6-Opts
Destination Options for IPv6
Y
[RFC8200]
61
any host internal protocol
[Internet_Assigned_Numbers_Authority]
62
CFTP
CFTP
[Forsdick, H., "CFTP", Network Message, Bolt Beranek and Newman, January 1982.][Harry_Forsdick]
63
any local network
[Internet_Assigned_Numbers_Authority]
64
SAT-EXPAK
SATNET and Backroom EXPAK
65
KRYPTOLAN
Kryptolan
[Paul Liu]
66
RVD
MIT Remote Virtual Disk Protocol
67
IPPC
Internet Pluribus Packet Core
68
any distributed file system
[Internet_Assigned_Numbers_Authority]
69
SAT-MON
SATNET Monitoring
70
VISA
VISA Protocol
71
IPCV
Internet Packet Core Utility
72
CPNX
Computer Protocol Network Executive
[David Mittnacht]
73
CPHB
Computer Protocol Heart Beat
[David Mittnacht]
74
WSN
Wang Span Network
[Victor Dafoulas]
75
PVP
Packet Video Protocol
76
BR-SAT-MON
Backroom SATNET Monitoring
77
SUN-ND
SUN ND PROTOCOL-Temporary
78
WB-MON
WIDEBAND Monitoring
79
WB-EXPAK
WIDEBAND EXPAK
80
ISO-IP
ISO Internet Protocol
81
VMTP
VMTP
82
SECURE-VMTP
SECURE-VMTP
83
VINES
VINES
[Brian Horn]
84
IPTM
Internet Protocol Traffic Manager
[Jim_Stevens][1]
85
NSFNET-IGP
NSFNET-IGP
86
DGP
Dissimilar Gateway Protocol
[M/A-COM Government Systems, "Dissimilar Gateway Protocol Specification, Draft Version", Contract no. CS901145, November 16, 1987.][Mike_Little]
87
TCF
TCF
88
EIGRP
EIGRP
[RFC7868]
89
OSPFIGP
OSPFIGP
[RFC1583][RFC2328][RFC5340][John_Moy]
90
Sprite-RPC
Sprite RPC Protocol
[Welch, B., "The Sprite Remote Procedure Call System", Technical Report, UCB/Computer Science Dept., 86/302, University of California at Berkeley, June 1986.][Bruce Willins]
91
LARP
Locus Address Resolution Protocol
[Brian Horn]
92
MTP
Multicast Transport Protocol
93
AX.25
AX.25 Frames
94
IPIP
IP-within-IP Encapsulation Protocol
95
MICP (deprecated)
Mobile Internetworking Control Pro.
96
SCC-SP
Semaphore Communications Sec. Pro.
97
ETHERIP
Ethernet-within-IP Encapsulation
[RFC3378]
98
ENCAP
Encapsulation Header
99
any private encryption scheme
[Internet_Assigned_Numbers_Authority]
100
GMTP
GMTP
[[RXB5]]
101
IFMP
Ipsilon Flow Management Protocol
[Bob_Hinden][November 1995, 1997.]
102
PNNI
PNNI over IP
103
PIM
Protocol Independent Multicast
104
ARIS
ARIS
105
SCPS
SCPS
106
QNX
QNX
107
A/N
Active Networks
108
IPComp
IP Payload Compression Protocol
[RFC2393]
109
SNP
Sitara Networks Protocol
110
Compaq-Peer
Compaq Peer Protocol
111
IPX-in-IP
IPX in IP
[CJ_Lee]
112
VRRP
Virtual Router Redundancy Protocol
[RFC9568]
113
PGM
PGM Reliable Transport Protocol
114
any 0-hop protocol
[Internet_Assigned_Numbers_Authority]
115
L2TP
Layer Two Tunneling Protocol
116
DDX
D-II Data Exchange (DDX)
117
IATP
Interactive Agent Transfer Protocol
118
STP
Schedule Transfer Protocol
119
SRP
SpectraLink Radio Protocol
120
UTI
UTI
121
SMP
Simple Message Protocol
122
SM (deprecated)
Simple Multicast Protocol
[Jon_Crowcroft][draft-perlman-simple-multicast-03]
123
PTP
Performance Transparency Protocol
124
ISIS over IPv4
125
FIRE
126
CRTP
Combat Radio Transport Protocol
127
CRUDP
Combat Radio User Datagram
128
SSCOPMCE
129
IPLT
[[Hollbach]]
130
SPS
Secure Packet Shield
131
PIPE
Private IP Encapsulation within IP
132
SCTP
Stream Control Transmission Protocol
133
FC
Fibre Channel
134
RSVP-E2E-IGNORE
[RFC3175]
135
Mobility Header
Y
[RFC6275]
136
UDPLite
[RFC3828]
137
MPLS-in-IP
[RFC4023]
138
manet
MANET Protocols
[RFC5498]
139
HIP
Host Identity Protocol
Y
[RFC7401]
140
Shim6
Shim6 Protocol
Y
[RFC5533]
141
WESP
Wrapped Encapsulating Security Payload
[RFC5840]
142
ROHC
Robust Header Compression
[RFC5858]
143
Ethernet
Ethernet
[RFC8986]
144
AGGFRAG
AGGFRAG encapsulation payload for ESP
[RFC9347]
145
NSH
Network Service Header
N
[RFC9491]
146
Homa
Homa
N
147
BIT-EMU
Bit-stream Emulation
Y
148-252
Unassigned
[Internet_Assigned_Numbers_Authority]
253
Use for experimentation and testing
Y
[RFC3692]
254
Use for experimentation and testing
Y
[RFC3692]
255
Reserved