ZyXEL Communications OLT-1308, User Manual, Page: 142 / 314

Chapter 19 Policy
OLT-1308 Series User’s Guide
142
19.3 Policy Example
The figure below shows an example Policy screen where you configure a policy to limit
bandwidth and discard out-of-profile traffic on a traffic flow classified using the Example
classifier (refer to Section 18.3 on page 136 ).
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 sent the packet to the mirror port.
Select Send the packet to the egress port to send the packet to the egress port.
Select Send the matching frames (broadcast or DLF, multicast, marked for
dropping or to be sent to the CPU) to the egress port to send the broadcast,
multicast, DLF, marked-to-drop or CPU frames to the egress port.
Select
Set the packet’s VLANID to set the VLAN ID of the packet with the value you
configure in the VLANID field.
Metering Select Enable to activate bandwidth limitation on the traffic flow(s) then set the
actions to be taken on out-of-profile packets.
Out-of-profile
Action
Select the action(s) to be performed for out-of-profile traffic.
Select
Drop the packet to discard the out-of-profile traffic.
Select Change the DSCP Value to replace the DSCP field with the value specified in
the Out-of-Profile DSCP field above.
Set Out-Drop Precedence is related to the metering bandwidth setting. The switch
marks traffic that is higher than the metering bandwidth setting as drop precedence.
Select Set Out-Drop Precedence to drop packets that are marked drop-precedence
first when there is traffic congestion.
Select
Do not drop the matching frame previously marked for dropping to queue
the frames that are marked to be dropped.
Add Click Add to inset the entry to the summary table below.
Cancel Click Cancel to reset the fields back to your previous configuration.
Clear Click Clear to set the above fields back to the factory defaults.
Index This field displays the policy index number. Click an index number to edit the policy.
Active This field displays Yes when policy is activated and No when is it deactivated.
Name Enter a descriptive name (up to 32 printable ASCII characters) for identification
purposes.
Classifier(s) This field displays the name(s) of the classifier to which this policy applies.
Delete Click Delete to remove the selected entry from the summary table.
Cancel Click Cancel to clear the Delete check boxes.
Table 46 Policy (continued)
LABEL DESCRIPTION