Policy Example - ZyXEL Communications OLT2406 User Manual

Table 62 Advanced Application > Policy Rule (continued)
LABEL
Metering
Out-of-profile
action
Add
Cancel
Clear
Index
Active
Name
Counter
Logging
Classifier(s)
Delete
Delete
Cancel

22.2.1 Policy Example

The figure below shows an example Policy screen where you configure a policy to limit bandwidth on a
traffic flow classified using the Example classifier (refer to
Chapter 22 Policy Rule
DESCRIPTION
Select Enable to activate bandwidth limitation on the traffic flow(s) then set the actions to be
taken on out-of-profile packets. Also, enable Metering to use Two Rate Three Color Marker
(TRTCM) to identify packets by comparing them to the Committed Information Rate (CIR) and
the Peak Information Rate (PIR). These two rates are defined in the Parameter field.
Select the action(s) to be performed for out-of-profile traffic. See the description of the Metering
field for the out-of-profile traffic definition.
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.
Select Set Out-Drop Precedence to mark out-of-profile traffic and drop it when network is
congested.
Select Do not drop the matching frame previously marked for dropping to queue the frames that
are marked to be dropped.
Select Enable Green-to-cosq to assign the incoming packets marked as green via TRTCM (Two
Rate Three Color Marker) to a CoS (Class of Service) queue.
See Section on page 181 for more information about how packets are marked as red, yellow,
and green via TRTCM.
To use TRTCM, enable Metering in the Advanced Application > Policy Rule screen.
• The incoming packets from 1/10 G ports are marked as yellow by default.
• The incoming packets from an ONT are marked as green by default.
Use the drop-down list on the right to select the CoS queue priority level for the incoming packets
marked as green for transmission. 7 has the highest priority and 0 the lowest. It's recommended
to assign the incoming packets marked as green via TRTCM to the highest CoS queue priority
level.
Click Add to inset the entry to the summary table below and save your changes to the OLT's run-
time memory. The OLT loses these changes if it is turned off or loses power, so use the Save link on
the top navigation panel to save your changes to the non-volatile memory when you are done
configuring.
Click Cancel to reset the fields back to your previous configuration.
Click Clear to set the above fields back to the factory defaults.
This field displays the policy index number. Click an index number to edit the policy.
This field displays Yes when policy is activated and No when is it deactivated.
This field displays the name you have assigned to this policy.
Select or clear the check box to enable or disable packet counting for the policy.
Select or clear the check box to enable or disable packet logging for the policy.
This field displays the name(s) of the classifier to which this policy applies.
Select an entry's check box to select a specific entry.
Click Delete to remove the selected entry from the summary table.
Click Cancel to clear the check boxes.
OLT2406 User's Guide
Section 21.3 on page
185
178).