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Chapter 5
Advanced Configuration
38
8-Port 10/100 Ethernet Switch with Webview
Basic 
 
Enables QoS on the interface.
Advanced 
 
Enables  Advanced  mode  QoS  on  the 
interface.
Class  of  Service 
Specifies  the  CoS  priority  tag  values, 
where zero is the lowest and 7 is the highest.
Queue 
Defines the traffic forwarding queue to which the 
CoS  priority  is  mapped.  Four  traffic  priority  queues  are 
supported.
The Restore Defaults button restores the device factory 
defaults for mapping CoS values to a forwarding queue.
CoS Default
Interface 
Interface  to  which  the  CoS  configuration 
applies.
Default  CoS 
Determines  the  default  CoS  value  for 
incoming packets for which a VLAN tag is not defined. The 
possible field values are 0-7. The default CoS is 0.
Restore Defaults 
Restores the device factory defaults for 
mapping CoS values to a forwarding queue.
LAG 
LAG to which the CoS configuration applies.
QoS > Queue Settings
QoS > Queue Settings
The Queue Setting screen contains fields for defining the 
QoS queue forwarding types. 
Strict  Priority 
Indicates  that  traffic  scheduling  for  the 
selected queue is based strictly on the queue priority. 
WRR 
Indicates  that  traffic  scheduling  for  the  selected 
queue is based strictly on the WRR.
Queue 
Displays the queue for which the queue settings 
are displayed. The possible field range is 1 - 4.
WRR Weight 
Displays the WRR weights to queues.
% of WRR Bandwidth 
Displays the amount of bandwidth 
assigned to the queue. These values are fixed and are not 
user defined.
QoS > DSCP Settings
QoS > DSCP Settings
The DSCP Settings screen enables mapping DSCP values to 
specific queues.
The DSCP Settings screen contains the following fields:
DSCP 
Indicates  the  Differentiated  Services  Code  Point 
value in the incoming packet.
Queue 
Maps the DSCP value to the selected queue.
QoS > Bandwidth
QoS > Bandwidth
The Bandwidth screen allows network managers to define 
the  bandwidth  settings  for  a  specified  egress  interface.