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Configuring Switching
30
SonicOS 5.7: Advanced Switching Feature Guide and Screencast Tutorial
Configuring QoS Settings
The QoS Settings table on the Switching > Layer 2 QoS page lists all interfaces on the SonicWALL NSA
2400MX. You can configure the QoS settings for each interface individually or for multiple interfaces at the
same time. A portion of the QoS Settings table is shown in Figure 18.
Figure 18 QoS Settings Table on the Switching > Layer 2 QoS Page
See the following procedures:
• “Configuring QoS Settings for an Individual Interface” on page 30
• “Configuring QoS Settings for Multiple Interfaces” on page 31
Configuring QoS Settings for an Individual Interface
To configure QoS settings for frames received on an individual interface, perform the following steps:
Step 1 On the Switching > Layer 2 QoS page under QoS Settings, click the Configure icon in the row for the
interface you want to configure. The Edit QoS Settings window opens.
Step 2 In the Edit QoS Settings window, to enable fixed priority for frames arriving on this interface, select the
Fixed Priority checkbox. When Fixed Priority is selected, the remaining checkboxes are cleared and
disabled (greyed out). The CoS 802.1p tag field and DSCP field are ignored and the ingress port’s default
priority is always used.
Step 3 To enable the use of the CoS 802.1p tag field settings for Quality of Service on this interface, select the
Trust CoS checkbox. The Fixed Priority checkbox must be cleared before you can select any other
checkbox.
Step 4 To enable the use of the DSCP field settings for Quality of Service on this interface, select the Trust DSCP
checkbox. The Fixed Priority checkbox must be cleared before you can select any other checkbox.