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LANCOM GS-2124
Chapter 4: Operation of Web- based Management
4.12.2
Qos Control List
114
Default Class:
User can set up High Priority or Low Priority for each port respectively.
Low / Normal / Medium / High
QCL:
The number of QCL rule 1~24, each port have to apply one of the QCL
rule for QoS behavior
User priority:
The user priority value 0~7 (3 bits) is used as an index to the eight QoS
class values for VLAN tagged or priority tagged frames.
Queuing Mode:
There are two Scheduling Method, Strict Priority and Weighted Fair.
Default is Strict Priority. After you choose any of Scheduling Method,
please click Apply button to be in operation.
Queue Weighted:
There are four queues per port and four classes weighted number (1 /
2 / 4 / 8) for each queues, you can select the weighted number when
the scheduling method be set to "Weighted Fair" mode.
Qos Control List Configuration
The switch support four QoS queues per port with strict or weighted fair
queuing scheduling. There are 24 QoS Control Lists (QCL) for advance pro-
grammable QoS classification, based on IEEE 802.1p, Ether Type, VID,
IPv4/IPv6 DSCP and UDP/TCP ports and ranges.
QCE Configuration: The QCL consists of 12 QoS Control Entries (QCEs) that
are searched from the top of the list to the bottom of the list for a match.
The first matching QCE determines the QoS classification of the frame. The
QCE ordering is therefore important for the resulting QoS classification
algorithm. If no matching QCE is found, the default QoS class is used in
the port QoS configuration.
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