Chapter 4: Configuring Quality of Service | 123
FS728TP Smart Switch Software Administration Manual
To configure global CoS settings:
1. Select the Global radio button to configure the trust mode settings that apply to all
interfaces.
Alternatively, you can select the Interface radio button to apply trust mode settings to
individual interfaces. The per-interface setting overrides the global settings.
2. Select the trust mode for all interfaces (Global Trust Mode) or the selected interface
(Interface Trust Mode). This setting determines the type of CoS marking to trust when the
frame enters the port.
• Untrusted. Do not trust any CoS packet marking at ingress.
• 802.1p. The switch supports eight hardware priority queues. For information about
mapping IEEE 802.1p priorities to the switch hardware priority queues, see
802.1p to
Queue Mapping on page 126.
• DSCP. The six most significant bits of the DiffServ field are called the Differentiated
Services Code Point (DSCP) bits. For information about mapping DSCP values to the
switch hardware priority queues, see
DSCP to Queue Mapping on page 127.
•
3. Click Cancel to cancel the configuration on the screen and reset the data on the screen to
the latest value of the switch.
4. If you change any of the settings on the page, click Apply to send the updated configuration
to the switch.
CoS Interface Configuration
Use the CoS Interface Configuration page to apply an interface shaping rate to all interfaces
or to a specific interface.
To display the CoS Interface Configuration page, click the QoS CoS tab, and then click the
Advanced CoS Interface Configuration link.
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