7-2 Port Settings
Web Interface
To configure the QoS Port Setting in the web interface:
1. Click Quality of Service and Port Settings.
2. Select Mode, Default CoS, and Source CoS, for each port.
3. Check which port(s) on which you want to enable the Remark Cos, Remark DSCP, and
Remark IP Precedence.
4. Click Apply to save the configuration.
5. To cancel the setting, click the Reset button to previously saved values.
Figure 7-2: The QoS Port Settings page
Parameter descriptions:
Port: The logical port for the settings contained in the same row.
Mode: Select to Trust or Untrust, where:
untrust: All ingress traffic on the port is mapped to the best effort queue and no
classification/prioritization takes place.
trust: Port prioritize ingress traffic is based on the system wide configured trusted mode, which
is either CoS/802.1p trusted mode, IP Precedence trusted mode, or DSCP trusted mode.
Default CoS: Select the default CoS value to be assigned to incoming untagged packets (0 - 7).
Source CoS: The CoS value is determined based on C-Tag or S-Tag for incoming tagged packets
Remark CoS: Click the checkbox to remark the CoS/802.1p priority for egress traffic on this port.
Remark DSCP: Click the checkbox to remark the DSCP value for egress traffic on this port.
Remark IP Precedence: Click the checkbox to remark the IP precedence for egress traffic on this port.
Note: The CoS/802.1p priority and IP Precedence, or the CoS/802.1p priority and DSCP value can be
remarked simultaneously for egress traffic on a port, but the DSCP value and IP Precedence cannot be
remarked simultaneously.
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