ZyXEL Communications XS-3900-48F, User Manual

Page: 159 / 332

Chapter 19 Policy Rule
XS3900-48F 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.
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.
Table 58
Advanced Application > Policy Rule (continued)
LABEL DESCRIPTION