ZyXEL Communications NBG334SH User Manual

Appendix I Services

ZyXEL NBG-334SH User’s Guide

TFTP

UDP

69

Trivial File Transfer Protocol is an Internet 

file transfer protocol similar to FTP, but 

uses the UDP (User Datagram Protocol) 

rather than TCP (Transmission Control 

Protocol).

VDOLIVE

TCP
UDP

7000
user-

defined

A videoconferencing solution. The UDP port 

number is specified in the application.

Table 108   Examples of Services (continued)