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4 classifier example – ZyXEL Communications GS-2750 User Manual

Page 149

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Chapter 18 Classifier

GS-2750 User’s Guide

149

In the Internet Protocol, there is a field called “Protocol” to identify the IP protocol type. 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 IP ports are:

18.4 Classifier Example

The following screen shows an example of configuring a classifier that identifies all traffic
from MAC address 00:50:ba:ad:4f:81 on port 2.

XNS Compat

0807

Banyan Systems

0BAD

BBN Simnet

5208

IBM SNA

80D5

AppleTalk AARP

80F3

Table 45 Common IP Protocol Types and Protocol Numbers

PROTOCOL TYPE

PROTOCOL NUMBER

ICMP

1

TCP

6

UDP

17

EGP

8

L2TP

115

Table 46 Common TCP and UDP Port Numbers

PORT NUMBER

PORT NAME

21

FTP

23

Telnet

25

SMTP

53

DNS

80

HTTP

110

POP3

Table 44 Common Ethernet Types and Protocol Number (continued)

ETHERNET TYPE

PROTOCOL NUMBER