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Chapter 5: Using the Web-based Utility for Configuration
QoS Tab - CoS Settings
WebView Switches
QoS Tab - CoS Settings
The CoS Settings screen contains fields for enabling or disabling CoS. In addition, the Trust mode can be selected.
The Trust mode relies on predefined fields within the packet to determine the egress queue settings.
The CoS Settings screen has two areas, CoS Settings and CoS to Queue.
CoS Mode.
Indicates if QoS is enabled on the interface. The possible values are:
•
Disable.
Disables QoS on the interface.
•
Basic.
Enables QoS on the interface.
•
Advanced.
Enables Advanced mode QoS on the interface.
Class of Service.
Specifies the CoS priority tag values, where zero is the lowest and 7 is the highest.
Queue.
Defines the traffic forwarding queue to which the CoS priority is mapped. Four traffic priority queues are
supported.
The
Restore Defaults
button restores the device factory defaults for mapping CoS values to a forwarding queue.
CoS Default
Interface.
Interface to which the CoS configuration applies.
Default CoS.
Determines the default CoS value for incoming packets for which a VLAN tag is not defined. The
possible field values are 0-7. The default CoS is 0.
Restore Defaults.
Restores the device factory defaults for mapping CoS values to a forwarding queue.
LAG.
LAG to which the CoS configuration applies.
QoS Tab - Queue Settings
The Queue Setting screen contains fields for defining the QoS queue forwarding types.
Strict Priority.
Indicates that traffic scheduling for the selected queue is based strictly on the queue priority.
WRR.
Indicates that traffic scheduling for the selected queue is based strictly on the WRR.
Queue.
Displays the queue for which the queue settings are displayed. The possible field range is 1 - 4.
Figure 5-37: QoS - Queue Settings
Figure 5-36: QoS - CoS Settings