Optical Systems Design OSD2524, User Manual

Page: 221 / 402

OPTICAL SYSTEMS DESIGN
DOC ID: 10120001
OSD2524 OPERATOR MANUAL
PAGE 221
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.
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.