Falcon R-Class | User Guide
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Table 4-44: QoS Ingress Port Classification parameters
QoS Ingress Port Classification
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 0zero)
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 (
P
riority
C
ode
P
oint). All frames are classified to a PCP entry
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 for untagged frames.
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.
CoS ID
Every incoming frame is classified to a CoS ID, which later can be used as basis for
rewriting of different parts of the frame.
Tag Class.
Shows the classification mode for tagged frames on this port.
Disabled: Use default QoS class and DP level for tagged frames.
Enabled: Use mapped versions of PCP and DEI for tagged frames.
Click on the mode to configure the mode and/or mapping.
Note: This setting has no effect if the port is VLAN unaware.
Tagged frames received on VLAN unaware ports are always classified to the default CoS
and DPL.
DSCP Based
Click to Enable DSCP Based QoS Ingress Port Classification.
