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DES-3550 Fast Ethernet Layer 2 Switch
This page allows you to assign a default 802.1p priority to any given port on the Switch. The priority queues are numbered
from 0, the lowest priority, to 7, the highest priority. Click Apply to implement your settings.
802.1p User Priority
The DES-3550 allows the assignment of a user priority to each of the 802.1p priorities. In the Configuration folder open
the QoS folder and click 802.1p User Priority, to view the screen shown below.
Figure 6- 46. QoS Class of Traffic window
Once you have assigned a priority to the port groups on the Switch, you can then assign this Class to each of the 4 levels of
802.1p priorities. Click Apply to set your changes.
Traffic Segmentation
Traffic segmentation is used to limit traffic flow from a single port to a group of ports on either a single switch (in
standalone mode) or a group of ports on another switch in a switch stack (Single IP). This method of segmenting the flow
of traffic is similar to using VLANs to limit traffic, but is more restrictive. It provides a method of directing traffic that
does not increase the overhead of the Master switch CPU.
In the Configuration folder open the QoS folder and click Traffic Segmentation, to view the screen shown below.
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