Operation Manual

Chapter 10 Quality of Service (QoS)
VMG4825-B10A User’s Guide
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10.4.1 Adding a QoS Queue
Click Add New Queue or the edit icon in the Queue Setup screen to configure a queue.
Figure 67 Queue Setup: Add
The following table describes the labels in this screen.
Table 45 Queue Setup: Add
LABEL DESCRIPTION
Active Select to enable or disable this queue.
Name Enter the descriptive name of this queue.
Interface Select the interface to which this queue is applied.
This field is read-only if you are editing the queue.
Priority Select the priority level (from 1 to 7) of this queue.
The smaller the number, the higher the priority level. Traffic assigned to higher priority
queues gets through faster while traffic in lower priority queues is dropped if the network is
congested.
Weight Select the weight (from 1 to 8) of this queue.
If two queues have the same priority level, the VMG divides the bandwidth across the
queues according to their weights. Queues with larger weights get more bandwidth than
queues with smaller weights.
Buffer
Management
This field displays Drop Tail (DT). Drop Tail (DT) is a simple queue management
algorithm that allows the VMG buffer to accept as many packets as it can until it is full. Once
the buffer is full, new packets that arrive are dropped until there is space in the buffer again
(packets are transmitted out of it).
Rate Limit Specify the maximum transmission rate (in Kbps) allowed for traffic on this queue.
OK Click OK to save your changes.
Cancel Click Cancel to exit this screen without saving.