Protocol Numbers - ZyXEL Communications P-791R V2 Support Notes

3. Protocol Numbers

In the Internet Protocol version 4 (IPv4) [RFC791] there is a field, called
"Protocol", to identify the next level protocol. This is an 8 bit field. In Internet
Protocol version 6 (IPv6) [RFC1883] this field is called the "Next Header" field.
Assigned Internet Protocol Numbers
Decimal Keyword
0 HOPOPT
1 ICMP
2 IGMP
3 GGP
4 IP
5 ST
6 TCP
7 CBT
8 EGP
9 IGP
10 BBN-RCC-MON BBN RCC Monitoring
11 NVP-II
12 PUP
13 ARGUS
14 EMCON
15 XNET
16 CHAOS
17 UDP
18 MUX
19 DCN-MEAS
20 HMP
21 PRM
22 XNS-IDP
23 TRUNK-1
24 TRUNK-2
25 LEAF-1
26 LEAF-2
27 RDP
All contents copyright © 2007 ZyXEL Communications Corporation.
Protocol
IPv6 Hop-by-Hop Option
Internet Control Message
Internet Group
Management
Gateway-to-Gateway
IP in IP (encapsulation)
Stream
Transmission Control
CBT
Exterior Gateway Protocol
any private interior
gateway (used by Cisco for
their IGRP)
Network Voice Protocol
PUP
ARGUS
EMCON
Cross Net Debugger
Chaos
User Datagram
Multiplexing
DCN Measurement
Subsystems
Host Monitoring
Packet Radio
Measurement
XEROX NS IDP
Trunk-1
Trunk-2
Leaf-1
Leaf-2
Reliable Data Protocol
P-791R v2 Support Notes
References
[RFC1883]
[RFC792]
[RFC1112]
[RFC823]
[RFC2003]
[RFC1190,IEN119]
[RFC793]
[Ballardie]
[RFC888,DLM1]
[IANA]
[SGC]
[RFC741,SC3]
PUP,XEROX]
[RWS4]
[BN7]
[IEN158,JFH2]
[NC3]
[RFC768,JBP]
[IEN90,JBP]
[DLM1]
[RFC869,RH6]
[ZSU]
[ETHERNET,XER
OX]
[BWB6]
[BWB6]
[BWB6]
[BWB6]
[RFC908,RH6]
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