Chapter 19 Quality of Service (QoS)
The following table describes the labels in this screen.
Table 103 QoS Queue Setup: Add
LABEL | DESCRIPTION |
Enable | Select to enable or disable this queue. |
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Name | Enter the descriptive name of this queue. |
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Interface | Select the interface to which this queue is applied. |
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Priority | Select the priority level (from 1 to 4) of this queue. |
| The smaller the number, the higher the priority level. Traffic assigned to |
| higher priority queues gets through faster while traffic in lower priority |
| queues is dropped if the network is congested. |
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Weight | Select the weight (from 1 to 8) of this queue. |
| If two queues have the same priority level, the |
| the bandwidth across the queues according to their weights. Queues with |
| larger weights get more bandwidth than queues with smaller weights. |
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Buffer | This field displays Drop Tail (DT). Drop Tail (DT) is a simple queue |
Management | management algorithm that allows the |
| as many packets as it can until it is full. Once the buffer is full, new |
| packets that arrive are dropped until there is space in the buffer again |
| (packets are transmitted out of it). |
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Rate Limit | Specify the maximum transmission rate (in kbps) allowed for traffic on |
| this queue. |
| 0 means no rate limit. |
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Back | Click Back to return to the previous screen without saving. |
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Apply | Click Apply to save your changes back to the |
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Cancel | Click Cancel to begin configuring this screen afresh. |
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19.5 The Class Setup Screen
Use this screen to add, edit or delete QoS classifiers. A classifier groups traffic into data flows according to specific criteria such as the source address, destination address, source port number, destination port number or incoming interface. For example, you can configure a classifier to select traffic from the same protocol port (such as Telnet) to form a flow.
You can give different priorities to traffic that the
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