User’s Manual of
The page includes the following fields:
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Object | Description | |
• | QCE Type | Select the available type for the specific QCE. |
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| • Ethernet Type: Matches the received frame's EtherType against the QCE |
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| Key. |
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| • VLAN ID: Matches the frame's VID against the QCE Key. |
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| • TCP/UDP Port: Matches the destination port and the source port against |
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| the QCE Key. |
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| • DSCP: Matches the received IPv4/IPv6 DSCP value (6 bits) against the two |
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| DSCP values in the QCE Key. |
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| • ToS: Uses the precedence part of the IPv4/IPv6 ToS (3 bits) as an index to |
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| the eight QoS Class values in the QCE Key. |
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| • Tag Priority: Uses the User Priority value (3 bits) as an index to the eight |
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| QoS Class values in the QCE Key. |
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• | Type Value | Configure the values according to the QCE type you select. |
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| • Ethernet Type: The allowed values for this type range from 0x600 (1536) to |
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| 0xFFFF (65535). |
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| • VLAN ID: The allowed values for this type range from 1 to 4095. |
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| • TCP/UDP Port Range: Specify whether there is a range or a specific port |
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| number. The port range allowed is from 0 to 65535. |
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| • DSCP: The allowed range is 0 to 63. ToS or Tag Priority do not have type |
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| value settings. |
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• | Traffic Class | Select a traffic class of Low, Normal, Medium, or High to apply to the QCE. |
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| If the QCE type is ToS or Tag Priority, there are 8 rows of traffic class that can be |
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| configured for each priority. |
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4.8.3 Port QoS Configuration
This page allows you to configure QoS settings for each port.
•Frames can be classified by 4 different QoS classes: Low, Normal, Medium, and High.
•The classification is controlled by a QCL that is assigned to each port.
•A QCL consists of an ordered list of up to 12 QCEs.
•Each QCE can be used to classify certain frames to a specific QoS class.
•This classification can be based on parameters such as VLAN ID, UDP/TCP port, IPv4/IPv6 DSCP or Tag Priority.
•Frames not matching any of the QCEs are classified to the default QoS class for the port.
•The settings relate to the currently selected stack unit, as reflected by the page header.
The Port QoS Configuration screen in Figure
121
