Table 48 advanced application > policy rule – ZyXEL Communications XGS-4528F User Manual

Page 159

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Chapter 19 Policy Rule

XGS-4528F User’s Guide

159

The following table describes the labels in this screen.

Table 48 Advanced Application > Policy Rule

LABEL

DESCRIPTION

Active

Select this option to enable the policy.

Name

Enter a descriptive name for identification purposes.

Classifier(s)

This field displays the active classifier(s) you configure in the Classifier screen.
Select the classifier(s) to which this policy rule applies. To select more than one

classifier, press [SHIFT] and select the choices at the same time.

Parameters
Set the fields below for this policy. You only have to set the field(s) that is related to the action(s) you

configure in the Action field.

General

Egress Port Type the number of an outgoing port.

Priority

Specify a priority level.

DSCP

Specify a DSCP (DiffServ Code Point) number between 0 and 63.

TOS

Specify the type of service (TOS) priority level.

Metering

You can configure the desired bandwidth available to a traffic flow. Traffic that

exceeds the maximum bandwidth allocated (in cases where the network is

congested) is called out-of-profile traffic.

Bandwidth

Specify the bandwidth in kilobit per second (Kbps). Enter a number between 1 and

1000000.

Out-of-

Profile

DSCP

Specify a new DSCP number (between 0 and 63) if you want to replace or remark the

DSCP number for out-of-profile traffic.

Action
Specify the action(s) the Switch takes on the associated classified traffic flow.

Forwarding

Select No change to forward the packets.
Select Discard the packet to drop the packets.
Select Do not drop the matching frame previously marked for dropping to retain

the frames that were marked to be dropped before.

Priority

Select No change to keep the priority setting of the frames.
Select Set the packet’s 802.1 priority to replace the packet’s 802.1 priority field with

the value you set in the Priority field.
Select Send the packet to priority queue to put the packets in the designated

queue.
Select Replace the 802.1 priority field with the IP TOS value to replace the

packet’s 802.1 priority field with the value you set in the TOS field.

Diffserv

Select No change to keep the TOS and/or DSCP fields in the packets.
Select Set the packet’s TOS field to set the TOS field with the value you configure

in the TOS field.
Select Replace the IP TOS with the 802.1 priority value to replace the TOS field

with the value you configure in the Priority field.
Select Set the Diffserv Codepoint field in the frame to set the DSCP field with the

value you configure in the DSCP field.

Outgoing

Select Send the packet to the mirror port to send the packet to the mirror port.
Select Send the packet to the egress port to send the packet to the egress port.

Metering

Select Enable to activate bandwidth limitation on the traffic flow(s) then set the

actions to be taken on out-of-profile packets.

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