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4.Web Management: System of POE-GSH1008R-130
AirLive POE-GSH1008R-130 User Manual
104
5. Buttons:
Apply
– Click to save changes.
Reset-
Click to undo any changes made locally and revert to previously saved
values.
4.5 Quality of Service
The switch support four QoS queues per port with strict or weighted fair queuing scheduling.
It supports QoS Control Lists (QCL) for advance programmable QoS classification, based
on IEEE 802.1p, Ethertype, VID, IPv4/IPv6 DSCP and UDP/TCP ports and ranges.
High flexibility in the classification of incoming frames to a QoS class. The QoS
classification looks for information up to Layer 4, including IPv4 and IPv6 DSCP, IPv4
TCP/UDP port numbers, and user priority of tagged frames. This QoS classification
mechanism is implemented in a QoS control list (QCL). The QoS class assigned to a frame
is used throughout the device for providing queuing, scheduling, and congestion control
guarantees to the frame according to what was configured for that specific QoS class.
The switch support advanced memory control mechanisms providing excellent
performance of all QoS classes under any traffic scenario, including jumbo frame. A super
priority queue with dedicated memory and strict highest priority in the arbitration. The
ingress super priority queue allows traffic recognized as CPU traffic to be received and
queued for transmission to the CPU even when all the QoS class queues are congested.
4.5.1. Global Setting
Parameter description:
1. CoS:
Controls the default class of service.
All frames are classified to a CoS. There is a one to one mapping between CoS, queue
and priority. A CoS of 0 (zero) has the lowest priority.
If the port is VLAN aware, the frame is tagged and Tag Class. is enabled, then the
frame is classified to a CoS that is mapped from the PCP and DEI value in the tag.
Otherwise the frame is classified to the default CoS.
The classified CoS can be overruled by a QCL entry.
Note: If the default CoS has been dynamically changed, then the actual default CoS is
shown in parentheses after the configured default CoS.
Summary of Contents for POE-GSH1008R-130
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