Chapter 9
| Class of Service
Layer 2 Queue Settings
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◆ If the output port is an untagged member of the associated VLAN, these frames
are stripped of all VLAN tags prior to transmission.
Parameters
These parameters are displayed:
◆ Interface – Displays a list of ports or trunks.
◆ CoS – The priority that is assigned to untagged frames received on the
specified interface. (Range: 0-7; Default: 0)
Web Interface
To configure the queue mode:
1. Click Traffic, Priority, Default Priority.
2. Select the interface type to display (Port or Trunk).
3. Modify the default priority for any interface.
4. Click Apply.
Figure 134: Setting the Default Port Priority
Selecting the
Queue Mode
Use the Traffic > Priority > Queue page to set the queue mode for the egress
queues on any interface. The switch can be set to service the queues based on a
strict rule that requires all traffic in a higher priority queue to be processed before
the lower priority queues are serviced, or Weighted Round-Robin (WRR) queuing
which specifies a scheduling weight for each queue. It can also be configured to
use a combination of strict and weighted queuing.
Command Usage
◆ Strict priority requires all traffic in a higher priority queue to be processed
before lower priority queues are serviced.
◆ WRR queuing specifies a relative weight for each queue. WRR uses a predefined
relative weight for each queue that determines the percentage of service time
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