ZyXEL Communications VES1724-56 - Page 198

Chapter 20 Classifier
VES1724-56 User’s Guide
198
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 A on page 397 for information on commonly used port numbers.
Table 83 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 84 Common IP Protocol Types and Protocol Numbers
PROTOCOL TYPE PROTOCOL NUMBER
ICMP 1
TCP 6
UDP 17
EGP 8
L2TP 115
Table 85 Common TCP and UDP Port Numbers
PROTOCOL NAME TCP/UDP PORT NUMBER
FTP 21
Telnet 23
SMTP 25
DNS 53
HTTP 80
POP3 110