Application Guide

[194]
Software User's
Manual
–
Version 3.0
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.
Tag Class.
Shows the classification mode for tagged frames on this port.
 Disabled: Use default CoS and DPL for tagged frames.
 Enabled: Use mapped versions of PCP and DEI for tagged frames.
Click on the mode in order 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.
Address
Mode
The IP/MAC address mode specifying whether the QCL classification must be
based on source (SMAC/SIP) or destination (DMAC/DIP) addresses on this
port. The allowed values are:
 Source: Enable SMAC/SIP matching.
 Destination: Enable DMAC/DIP matching.
QoS Ingress Port Tag Classification Port #
The classification mode for tagged frames are configured on this page.
Tagged Frames Settings
Setting Description
Factory
Default
Enabled Use mapped versions of PCP and DEI for tagged frames.
Disabled
Disabled
Use default QoS class and Drop Precedence Level for tagged
frames.
(PCP, DEI) to (QoS class, DP level) Mapping
Controls the mapping of the classified (PCP, DEI) to (QoS class, DP level) values when Tag
Classification is set to Enabled.