QoS
Basic Mode
SPS208G/SPS224G4/SPS2024 Service Provider Switches User Guide 170
9
Basic Mode
The
Basic Mode Screen
contains information for enabling Trust on the device.
Packets entering a network are classified at the edge of the QoS domain. When
the packets are assigned either DSCP or CoS value, Trust can be enabled globally.
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.
To define the Trust configuration:
STEP 1 Click QoS > Basic Mode. The
Basic Mode Screen
opens.
Figure 75 Basic Mode Screen
The
Basic Mode Screen
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.
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