ZyXEL Communications XGS-4528F, Руководство пользователя, Страница: 210 / 491

Chapter 21 Policy Rule
XGS-4526/4528F/4728F User’s Guide
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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 802.1p 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.
Table 53 Advanced Application > Policy Rule (continued)
LABEL DESCRIPTION