ZyXEL Communications GS2200-24 Manual

A SERVICE OF

next previous

Chapter 20 Classifier

GS2200-24 User’s Guide

179

In the Internet Protocol there is a field, called “Protocol”, to identify the next level

protocol. The following table shows some common protocol types and the

corresponding protocol number. Refer to http://www.iana.org/assignments/

protocol-numbers for a complete list.

Some of the most common TCP and UDP port numbers are:

See Appendix B on page 345 for information on commonly used port numbers.

NBS Internet 0802

ECMA Internet 0803

Chaosnet 0804

X.25 Level 3 0805

XNS Compat 0807

Banyan Systems 0BAD

BBN Simnet 5208

IBM SNA 80D5

AppleTalk AARP 80F3

Table 49 Common IP Protocol Types and Protocol Numbers

PROTOCOL TYPE PROTOCOL NUMBER

ICMP 1

TCP 6

UDP 17

EGP 8

L2TP 115

Table 50 Common TCP and UDP Port Numbers

PROTOCOL NAME TCP/UDP PORT NUMBER

FTP 21

Telnet 23

SMTP 25

DNS 53

HTTP 80

POP3 110

Table 48 Common Ethernet Types and Protocol Numbers

ETHERNET TYPE PROTOCOL NUMBER