Configuring Quality of Service
Defining QoS Basic Mode
Cisco Small Business SFE/SGE Managed Switches Administration Guide
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STEP 1
Click Quality of Service > Basic Mode. The
Basic Mode Page
opens:
Basic Mode Page
The
Basic Mode Page
contains the following fields:
•
Trust Mode — Displays the trust mode. If a packet’s CoS tag and DSCP tag, are
mapped to different queues, the Trust Mode determines the queue to which
the packet is assigned. Possible values are:
-
CoS
— Sets trust mode to CoS on the device. The CoS mapping
determines the packet queue
-
DSCP
— Sets trust mode to DSCP on the device. The DSCP mapping
determines the packet queue.
•
Always Rewrite DSCP — Rewrites the packet DSCP tag according to the QoS
DSCP Rewriting configuration.
Always Rewrite DSCP
can only be selected if
the Trust Mode is set to
DSCP
.
Rewriting DSCP Values
In the
DSCP Mapping Page
, define the
Differentiated Services Code Point
(DSCP) tag to use in place of the incoming DSCP tags.