ZyXEL Communications GS2200-24 Manual

A SERVICE OF

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Chapter 20 Classifier

GS2200-24 User’s Guide

173

The following table shows some other common Ethernet types and the

corresponding protocol number.

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 341 for information on commonly used port numbers.

Table 45 Common Ethernet Types and Protocol Numbers

ETHERNET TYPE PROTOCOL NUMBER

IP ETHII 0800

X.75 Internet 0801

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 46 Common IP Protocol Types and Protocol Numbers

PROTOCOL TYPE PROTOCOL NUMBER

ICMP 1

TCP 6

UDP 17

EGP 8

L2TP 115

Table 47 Common TCP and UDP Port Numbers

PROTOCOL NAME TCP/UDP PORT NUMBER

FTP 21

Telnet 23

SMTP 25

DNS 53

HTTP 80

POP3 110