Chapter 21 Policy Rule

Table 53 Advanced Application > Policy Rule (continued)

LABEL

DESCRIPTION

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

Type the number of an outgoing port.

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-

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

Profile

remark the DSCP number for out-of-profile traffic.

DSCP

 

 

 

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 802.1p priority to replace the packet’s 802.1p

 

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 802.1p priority field with the IP TOS value to

 

replace the packet’s 802.1p 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 802.1p 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.

 

 

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XGS4700-48F User’s Guide