Qos Output Scheduling - D-Link DES-6500 - Switch User Manual

Modular layer 3 chassis ethernet switch
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QoS Output Scheduling

QoS can be customized by changing the output scheduling used for the hardware classes of service in the Switch. As with any
changes to QoS implementation, careful consideration should be given to how network traffic in lower priority classes of service
is affected. Changes in scheduling may result in unacceptable levels of packet loss or significant transmission delay. If choosing to
customize this setting, it is important to monitor network performance, especially during peak demand, as bottlenecks can quickly
develop if the QoS settings are not suitable. In the Configuration folder open the QoS folder and click QoS Output Scheduling,
to view the screen shown below.
The following values may be assigned to the QoS classes to set the scheduling.
Parameter
Description
Max. Packets
Specifies the maximum number of packets the above specified hardware priority class of service
will be allowed to transmit before allowing the next lowest priority queue to transmit its packets. A
value between 0 and 15 can be specified.
Click Apply to implement changes made.
xStack DES-6500 Modular Layer 3 Chassis Ethernet Switch User Manual
Figure 6- 43. QoS Output Scheduling Configuration window
NOTE: Entering a 0 for the Max Packets field in the QoS Output
Scheduling Configuration window above will create a Combination
Queue. For more information on implementation of this feature, see the
next section, Configuring the Combination Queue.
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