INS_CNGE3FE8MS[POE][HO] Rev. 11.7.17 PAGE 149
INSTRUCTION MANUAL CNGE3FE8MS[POE][HO]
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QoS
Port Classification
This page allows you to configure the basic QoS Ingress Classification settings for all switch ports.
Object Description
Port The port number for which the configuration below applies.
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.
DPL Controls the default drop precedence level.
All frames are classified to a drop precedence level.
If the port is VLAN aware and the frame is tagged, then the frame is classified to a DPL that is equal to
the DEI value in the tag. Otherwise the frame is classified to the default DPL.
If the port is VLAN aware, the frame is tagged and Tag Class. Is enabled, then the frame is classified to
a DPL that is mapped from the PCP and DEI value in the tag. Otherwise the frame is classified to the
default DPL.
The classified DPL can be overruled by a QCL entry.
PCP Controls the default PCP value.
All frames are classified to a PCP value.
If the port is VLAN aware and the frame is tagged, then the frame is classified to the PCP value in the
tag. Otherwise the frame is classified to the default PCP value.
DEI Controls the default DEI value.
All frames are classified to a DEI value.
If the port is VLAN aware and the frame is tagged, then the frame is classified to the DEI value in the
tag. Otherwise the frame is classified to the default DEI value.
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