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Software User's
Manual
–
Version 3.0
Configuration > QoS > Port Classification
QoS Ingress Port Classification
Setting 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, 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.