ZyXEL Communications PLA-450 - V3.60, Руководство пользователя

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Chapter 6 Wireless LAN
PLA450 User’s Guide
76
6.9.1 Application Priority Configuration
Use this screen to edit a WMM QoS application entry. Click the edit icon under Modify . The
following screen displays.
Figure 40 Network > Wireless LAN > QoS: Application Priority Configuration
See Appendix E on page 173 for a list of commonly-used services and destination ports. The
following table describes the fields in this screen.
Modify Click the Edit icon to open the Application Priority Configuration
screen. Modify an existing application entry or create a application
entry in the Application Priority Configuration screen.
Click the Remove icon to delete an application entry.
Apply Click Apply to save your changes to the PLA450.
Table 17 Network > Wireless LAN > QoS (continued)
LABEL DESCRIPTION
Table 18 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.
• User-Defined
User-defined services are user specific services configured using known ports
and applications.
• 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.