ZyXEL Communications P-2802H(W)(L)-I Series User Manual

Page 245

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Chapter 17 Quality of Service (QoS)

P-2802H(W)(L)-I Series User’s Guide

245

Tag Configuration

DSCP Value

Select Same to keep the DSCP fields in the packets.
Select Auto to map the DSCP value to 802.1 priority level automatically.
Select Mark to set the DSCP field with the value you configure in the field

provided.

802.1Q Tag

Select Same to keep the priority setting and VLAN ID of the frames.
Select Auto to map the 802.1 priority level to the DSCP value automatically.
Select Remove to delete the priority queue tag and VLAN ID of the frames.
Select Mark to replace the 802.1 priority field and VLAN ID with the value you

set in the fields below.
Select Add to treat all matched traffic untagged and add a second priority queue

tag and VLAN.

Ethernet Priority Select a priority level (between 0 and 7) from the drop down list box.

VLAN ID

Specify a VLAN ID number between 2 and 4094.

Filter Configuration

Use the following fields to configure the criteria for traffic classification.

Source

Address

Select the check box and enter the source IP address in dotted decimal notation

and the source subnet mask. A blank source IP address means any source IP

address. Refer to the appendix for more information on IP subnetting.

Port

Select the check box and enter the port number of the source. 0 means any

source port number. See

Appendix E on page 373

for some common services

and port numbers.

Destination

Address

Select the check box and enter the destination IP address in dotted decimal

notation and the destination subnet mask. Refer to the appendix for more

information on IP subnetting.

Port

Select the check box and enter the port number of the destination. 0 means any

source port number. See

Appendix E on page 373

for some common services

and port numbers.

Others

Service

This field simplifies classifier configuration by allowing you to select a predefined

application. When you select a predefined application, you do not configure the

rest of the filter fields.
SIP (Session Initiation Protocol) is a signaling protocol used in Internet

telephony, instant messaging and other VoIP (Voice over IP) applications. Select

the check box and select VoIP(SIP) from the drop-down list box to configure this

classifier for traffic that uses SIP.
File Transfer Protocol (FTP) is an Internet file transfer service that operates on

the Internet and over TCP/IP networks. A system running the FTP server

accepts commands from a system running an FTP client. The service allows

users to send commands to the server for uploading and downloading files.

Select the check box and select FTP from the drop-down list box to configure

this classifier for FTP traffic.

Protocol

Select this option and select the protocol (TCP or UDP) or select User defined

and enter the protocol (service type) number. 0 means any protocol number.

Packet Length

Select this option and enter the minimum and maximum packet length (from 28

to 1500) in the fields provided.

DSCP

Select this option and specify a DSCP (DiffServ Code Point) number between 0

and 63 in the field provided.

Table 102 QoS Class Configuration (continued)

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DESCRIPTION

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