ZyXEL Communications NBG-417N, Руководство пользователя, Страница: 162 / 279

Chapter 16 Bandwidth Management
User
’
s Guide
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Table 58 Management > Bandwidth MGMT > Advanced: Allocation Setup
16.3.4 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.
LABEL DESCRIPTION
Active Select this check box to turn on this bandwidth management rule.
Direction Enter whether you want to apply the rule to uplink or downlink traffic.
To LAN applies bandwidth management to traffic from WAN to LAN/
WLAN (i.e., downlink).
To WAN applies bandwidth management to traffic from LAN/WLAN to
WAN (i.e., uplink).
Select Both applies bandwidth management to traffic that the
NBG4115 forwards to both the LAN and the WAN.
LAN IP Range Specify the range of IP addresses for which the bandwidth management
rule applies.
Protocol Select the protocol ( TCP , UDP , SMTP , HTTP , POP3 , FTP or ALL ) for
which the bandwidth management rule applies.
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) Select the maximum or minimum bandwidth allowed (refer to the field
above) for the rule in bits per second.
Apply Click Apply to save your customized settings.
Reset Click Reset to begin configuring this screen afresh.
Table 59 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.
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