D-Link xStack DGS-3426P User Manual - Qos Scheduling Mechanism
xStack DGS-3400 Series Layer 2 Gigabit Ethernet Managed Switch
No Limit
This drop-down menu allows the user to specify that the selected port will have no bandwidth limit.
Enabled
disables the limit.
Rate
This field allows the input of the data rate that will be the limit for the selected port. The user may
choose a rate between 1 and 156249 units, where each unit is defined a 64Kbit/s.
Effective Rx
rate
Specifies the limitation of the received data rate.
Effective Tx
rate
Specifies the limitation of the transmitted data rate.
Click
Apply
to set the bandwidth control for the selected ports. Results of configured
Bandwidth Settings
will be displayed in
the
Port Bandwidth Table
.
QoS Scheduling Mechanism
This drop-down menu allows a selection between a
Weight Fair
and a
Strict
mechanism for emptying the priority classes. To
view the following window click,
QoS >
QoS Scheduling Mechanism
.
Figure 8- 3. QoS Scheduling Mechanism window
The
Scheduling Mechanism
has the following parameters.
Parameter Description
Strict
The highest class of service is the first to process traffic. That is, the highest class of service will
finish before other queues empty.
Weight fair
Use the weighted round-robin (
WRR
) algorithm to handle packets in an even distribution in
priority classes of service.
Click
Apply
to allow changes to take effect.
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