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Transition Networks
S4224 Web User Guide
33558 Rev. C
Page 317 of 669
DPL
Controls the default drop precedence level (DPL
0
-
3
). All frames are classified to a drop
precedence level. The default is DPL =
1
.
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 of
0
-
7
. The default is
0
.
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 of
0
or
1
. The default is
0
.
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.
Tag Class.
Shows the classification mode for tagged frames on this port.
Disabled
: Use default CoS and DPL for tagged frames. This is the default.
Enabled
: Use mapped versions of PCP and DEI for tagged frames.
Click on the linked mode (Enabled or Disabled) to configure the mode and/or mapping. The “QoS
Ingress Port Classification” page displays.
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
Check the checkbox to enable DSCP Based QoS Ingress Port Classification. The default is
unchecked (disabled)
Buttons
Save
: Click to save changes.
Reset
: Click to undo any changes made locally and revert to previously saved values.