ZyXEL Communications NBG-417N Predefined Bandwidth Management Services, 155, Service Description

	Chapter 16 Bandwidth Management
LABEL	DESCRIPTION
Port Range	Enter the range of ports for which the bandwidth management rule
	applies.
Policy	Select Max or Min and specify the maximum or minimum bandwidth
	allowed for the rule in bits per second in the field below.
Rate (bps)	Type or select the maximum or minimum bandwidth allowed (refer to
	the field above) for the rule in bits per second.
	If you type the amount of bandwidth, the selection automatically
	becomes User Defined. If you select the amount of bandwidth, the
	field automatically displays the value in Kbps.
Apply	Click Apply to save your customized settings.
Reset	Click Reset to begin configuring this screen afresh.

16.5.3 Predefined Bandwidth Management Services

The following is a description of the services that you can select and to which you can apply media bandwidth management in the Management > Bandwidth MGMT > Advanced screen.

Table 58 Media Bandwidth Management Setup: Services

SERVICE	DESCRIPTION
FTP	File Transfer Program enables fast transfer of files, including large files
	that may not be possible by e-mail. FTP uses port number 21.
WWW	The World Wide Web (WWW) is an Internet system to distribute
	graphical, hyper-linked information, based on Hyper Text Transfer
	Protocol (HTTP) - a client/server protocol for the World Wide Web. The
	Web is not synonymous with the Internet; rather, it is just one service
	on the Internet. Other services on the Internet include Internet Relay
	Chat and Newsgroups. The Web is accessed through use of a browser.
	WWW uses port 80.
Telnet	Telnet is the login and terminal emulation protocol common on the
	Internet and in UNIX environments. It operates over TCP/IP networks.
	Its primary function is to allow users to log into remote host systems.
	Telnet uses port 23.
E-Mail	Electronic mail consists of messages sent through a computer network
	to specific groups or individuals. Here are some default ports for e-mail:
	POP3 - port 110
	SMTP - port 25
VoIP (SIP)	Sending voice signals over the Internet is called Voice over IP or VoIP.
	Session Initiated Protocol (SIP) is an internationally recognized
	standard for implementing VoIP. SIP is an application-layer control
	(signaling) protocol that handles the setting up, altering and tearing
	down of voice and multimedia sessions over the Internet.
	SIP is transported primarily over UDP but can also be transported over
	TCP, using the default port number 5060.

NBG-417N User’s Guide

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