ECS4660-28F_Management Guide-R03

C HAPTER 10 | Class of Service
Layer 3/4 Priority Settings
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◆ If the QoS mapping mode is set to CoS, and the ingress packet type is
IPv4, then priority processing will be based on the CoS and CFI values
in the ingress packet.
For an untagged packet, the default port priority (see page 305) is used
for priority processing.
PARAMETERS
These parameters are displayed:
◆ Interface – Specifies a port or trunk.
◆ Trust Mode
■
CoS – Maps layer 3/4 priorities using Class of Service values.
(This is the default setting.)
■
DSCP – Maps layer 3/4 priorities using Differentiated Services Code
Point values.
■
IP Precedence – Maps layer 3/4 priorities using IP Precedence
values.
WEB INTERFACE
To configure the trust mode:
1. Click Traffic, Priority, Trust Mode.
2. Select the interface type to display (Port or Trunk).
3. Set the trust mode.
4. Click Apply.
Figure 139: Setting the Trust Mode