Quality Of Service Configuration - KTI Networks KGS-2402 Installation Manual

3.2.8 Quality of Service Configuration

Function description:
Default Class
[VLAN Tag Priority]
[IP ToS Classification]
[
IP TCP/UDP Port Classification
[IP Deffserv Classification] In a received IP packet, DiffServ field is used to classify the priority
Click one of the QoS classification methods for the switch and click <Apply> to confirm the selection.
Then, click [Configure] for further detailed configuration for the selected classification method.
Some packets which did not belong to the selected QoS classifica-
tion method would be classified as Default Class.
In VLAN-tagged packet, there are 3 bits belonging to priority.
According to these 3 bits, we could arrange 8 traffics -0 0 0, 0 0 1, 0
1 0, 0 1 0, 1 0 0, 1 0 1, 1 1 0, 1 1 1. We can set High priority or Low
priority for each traffic class.
In a received IP packet, TOS field is used to classify the priority
class to which the packet belongs.
] In a received TCP or UDP packet, the software Port number
associated with the packet is checked and classified for the priority
class. Eight Port numbers can be configured. This option also
supports simple L4 configuration for some popular applications.
class to which the packet belongs.
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