ZyXEL NBG420N Manuel d'utilisateur télécharger pdf (Page 105)

Chapter 7 Wireless LAN

NBG420N User’s Guide

105

7.8.1 Application Priority Configuration

Use this screen to edit a WMM QoS application entry. Click the edit icon under Modify. The

following screen displays.

Figure 69 Network > Wireless LAN > QoS: Application Priority Configuration

See Appendix F on page 321 for a list of commonly-used services and destination ports. The

following table describes the fields in this screen.

Network > Wireless LAN > QoS: Application Priority Configuration

LABEL DESCRIPTION

Application Priority Configuration

Name Type a description of the application priority.

Service The following is a description of the applications you can prioritize with WMM

QoS. Select a service from the drop-down list box.

• 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

IMAP - port 143

SMTP - port 25

HTTP - port 80

•FTP

File Transfer Protocol enables fast transfer of files, including large files that it

may not be possible to send via e-mail. FTP uses port number 21.

•WWW

The World Wide Web 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.

•User-Defined

User-defined services are user specific services configured using known ports

and applications.

Dest Port This displays the port the selected service uses. Type a port number in the

field provided if you want to use a different port to the default port.

Priority Select a priority from the drop-down list box.

Apply Click Apply to save your changes back to the NBG420N.

Cancel Click Cancel to return to the previous screen.

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ZyXEL NBG420N Manuel d'utilisateur Page 105