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QoS Setting Page
Queue Scheduling
This is also known as WRR (Weight Round Robin). The ES8509-XT follows the 8:4:2:1
Use an 8,4,2,1
rate to process the packets in a queue from the highest priority to the lowest. For
weighted fair
example, the system processes 8 packets with the highest priority in the queue, 4 with
queuing scheme
middle priority, 2 with low priority, and 1 with the lowest priority at the same time.
Use a strict
Packets with higher priority in the queue are always processed first, except that there is
priority scheme
no packet with higher priority.
Port Setting
The CoS column indicates that the default port priority value for untagged or priority-
tagged frames. When the ES8509-XT receives the frames, the ES8509-XT attaches the
CoS
value to the CoS field of the incoming VLAN-tagged packets. You can enable 0,1,2,3,4,5,6
or 7 to the port.
Trust Mode indicates the Queue Mapping types that you can select.
•
COS Only (default): The port priority follows the CoS-Queue Mapping you have
assigned. The ES8509-XT provides the default CoS-Queue table for which you can
refer to for the next command.
Trust Mode
•
DSCP Only: Port priority only follows the DSCP-Queue Mapping you have assigned.
•
COS first: Port priority follows the CoS-Queue Mapping first, and then the DSCP-
Queue Mapping rule.
•
DSCP first: Port priority follows the DSCP-Queue Mapping first, and then the CoS-
Queue Mapping rule.
Click Apply to apply the settings.
Apply
Note: You must Save the settings
RocketLinx ES8509-XT User Guide: 2000557 Rev. D
ES8509-XT is powered off.
Configuration Using the Web Interface
(Page
127), if you want to maintain these settings if the
QoS Setting - 97
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