xStack® DES-3200 Series Layer 2 Managed Fast Ethernet Switch
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To view the following window, click QoS > Bandwidth Control > Queue Bandwidth Control Settings, as show
below:
Figure 6-6 Queue Bandwidth Control Settings window
The fields that can be configured are described below:
Parameter Description
Use the drop-down menu to select the port range to use for this configuration.
Use the drop-down menu to select the queue range to use for this configuration.
Min Rate (64-1024000) Specify the packet limit, in Kbps that the ports are allowed to receive. Tick the No
limit check box to have unlimited rate of packets received by the specified queue.
Enter the maximum rate for the queue. For no limit select the No Limit option.
Click the Apply button to accept the changes made.
NOTE: The minimum granularity of queue bandwidth control is 64Kbit/sec. The system will adjust the
number to the multiple of 64 automatically.
Traffic Control Settings
On a computer network, packets such as Multicast packets and Broadcast packets continually flood the network as
normal procedure. At times, this traffic may increase due to a malicious end station on the network or a
malfunctioning device, such as a faulty network card. Thus, switch throughput problems will arise and consequently
affect the overall performance of the switch network. To help rectify this packet storm, the Switch will monitor and
control the situation.
Packet storms are monitored to determine if too many packets are flooding the network based on threshold levels
provided by the user. Once a packet storm has been detected, the Switch will drop packets coming into the Switch
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