Cisco LINKSYS AG241 Panduan Pengguna - Halaman 16

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Chapter 2

The Applications & Gaming Tab > DMZ

The DMZ screen allows one local user to be exposed to

the Internet for use of a special-purpose service such as

Internet gaming and videoconferencing through DMZ

Hosting. DMZ hosting forwards all the ports for one

computer at the same time, which differs from Port Range

Forwarding, which can only forward a maximum of 10

ranges of ports.

Applications & Gaming > DMZ

DMZ Hosting

This allows one local user to be exposed

to the Internet for use of a special-purpose service such

as Internet gaming and videoconferencing. To use this

feature, select Enabled. To disable DMZ , select Disabled.

DMZ Host IP Address

To expose one computer, enter

the computer's IP address. "

When you have finished making changes, click Save

Settings to save the changes, or click Cancel Changes to

undo your changes.

The Applications & Gaming Tab > QoS

Quality of Service (QoS) ensures better service to high-

priority types of network traffic, which may involve

demanding, real-time applications, such as Internet phone

calls or videoconferencing.

Applications & Gaming > QoS

SubProduct

Application-based QoS

Application-based QoS manages information as it is

transmitted and received. Depending on the settings of

the QoS screen, this feature will assign information a high

or low priority for the five preset applications and three

additional applications that you specify.

Enabled/Disabled

To use application-based QoS, select

Enabled. Otherwise, keep the default, Disabled.

High priority/Medium priority/Low priority

application, select High priority (traffic on this queue

shares 60% of total bandwidth), Medium priority (traffic on

this queue shares 18% of total bandwidth), or Low priority

(traffic on this queue shares 1% of total bandwidth).

FTP (File Transfer Protocol)

files over a TCP/IP network (Internet, UNIX, etc.). For

example, HTML pages created for a website on a local

machine are typically uploaded to a web server via FTP.

HTTP (HyperText Transport Protocol)

main function is to establish a connection with a web

server and transmit HTML pages to the client web

browser.

Telnet

This terminal emulation protocol allows a user at

a terminal or computer to log onto a remote device and

run a program.

SMTP (Simple Mail Transfer Protocol)

that defines the message format and the message transfer

agent (MTA), which stores and forwards the mail.

POP3 (Post Office Protocol 3)

commonly used on the Internet. It provides a message

store that holds incoming e-mail and attachments until

users log on and download it.

Specific Port#

You can add three additional applications

by entering their port numbers in the Specific Port# fields.

Advanced QoS

This setting allows you to specify traffic queue priority.

Fragment packet's size of AF and BE traffic to be equal

to the size of EF traffic

Select this option to fragmentize

the packet sizes for AF (Assured Forwarding) and BE (Best

Effort) queues so that it will increase the efficiency for

transporting EF (expedited forwarding) queues. Enter a

range between 68-1492 bytes.

Enable 802.1p P bits scheduling VLAN's VID

option to enable 802.1p P bits classification scheduling

in the appropriate VLAN based on IEEE 802.1Q VLAN

identification. Enter the VLAN VID (VLAN Identifier)

number in the field.

When you have finished making changes, click Save

Settings to save the changes, or click Cancel Changes to

undo your changes.

Configuration

For each

A protocol used to transfer

This protocol's

An e-mail protocol

A standard mail server

Select this