D-Link xStack DGS-3426, User Manual

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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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