ZyXEL Communications XGS1210-12, Руководство пользователя

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Chapter 12 QoS
XGS1210-12 / XGS1250-12 User’s Guide
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Figure 39 QoS > Port-Based QoS
The following table describes the labels in this screen.
12.4 IEEE 802.1p QoS
Both Port-Based QoS and IEEE 802.1p QoS use the same priority queuing levels. Remember the
difference amongst both features relies on how the priority queuing is assigned. Let us recap, Port-Based
QoS assigns priority queuing by port, whereas IEEE 802.1p QoS assigns queuing by PCP priority tags.
Table 16 QoS > Port-Based QoS
LABEL DESCRIPTION
Port-Based QoS
Port 1 – 12 Select which ports will carry the sensitive data, using the priority queuing levels given. Click on
each port’s radio button to assign a priority queue.
Weight Assign the weight (the number you select in the queue Weight field) to each priority.
Remember the weight is based on WRR Scheduling, explained in Section 12.2.3 on page 53 .
Bandwidth is divided across the different traffic queues according to their weights. Queues with
larger weights get more service than queues with smaller weights.
Apply Click Apply to save your changes to the Switch.