3Com 3CRDSF9PWR-US - OfficeConnect Managed Fast Ethernet PoE Switch User Manual - page 176
176
C
HAPTER
13: C
ONFIGURING
Q
UALITY
OF
S
ERVICE
Configuring DSCP to
CoS Mapping
The
DSCP to CoS Setup Page
contains fields for mapping DSCP settings to
traffic queues. DSCP priority values are mapped to default Class of
Service values according to recommendations in the IEEE 802.1p
standard, and then subsequently mapped to the four traffic queues.
Monitor users have no access to this page.
To map DSCP to CoS values:
1
Click
Device > QoS > DSCP to CoS > Setup
. The
DSCP to CoS Setup
Page
opens:
Figure 93
DSCP to CoS Setup Page
The
DSCP to CoS Setup Page
contains the following fields:
■
DSCP
— Displays the incoming packet’s DSCP priority value.
■
CoS
— Specifies the Class-of-Service value to which the
corresponding DSCP priority value is mapped.
2
Define the CoS value in the
CoS
field next to the required DSCP value.
3
Click
. The DSCP values are mapped to a CoS value, and the
device is updated.