ZyXEL Communications GS-1548 User Manual

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Chapter 11 QoS
GS-1524/GS-1548 User’s Guide
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11.3.1  Change Number of Queues  
Use the Change Number of Queues screen to edit the number of queues on the Switch. Click 
Change in the QoS Setting screen to view the following screen.
Figure 39   Change Number of Queues 
Select the number of queues from the Number of Queues drop down list box and click Apply 
to save your settings to the Switch. 
11.4  Advanced QoS Settings 
The following sections describe additional methods for setting priority for incoming packets 
on the ports. The Switch allows you to choose one of the following methods: 
"
Advanced QoS methods only affect the internal priority queue mapping for the 
Switch. The Switch does not modify the IEEE 802.1p value for the egress 
frames. 
11.4.1  Port Based QoS 
You can configure the Switch to assign a IEEE 802.1p priority to packets based on the ingress 
(incoming) port of the packet. Select Port Based QoS in the QoS Enhancement Setting 
screen to view the following screen.
Weight
You can only configure the queue weights when Weighted Round Robin is selected. 
Bandwidth is divided across the different traffic queues according to their weights. 
Note: If you want to use Strict Priority but want to change the weights 
for the queues, configure them with Weighted Round Robin 
selected first and then change the scheduling method to Strict 
Priority
Apply
Click Apply to save your changes.
Table 17   QoS Setting  (continued)
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