Ubiquiti EdgeSwitch ES-24-250W Administration Manual page 246

EdgeSwitch Administration Guide
™
Field
Interface
IP DSCP
Traffic Class
Use the buttons to perform the following tasks:
• If you change any fields, click Submit to apply the changes.
• Click Refresh to refresh the page with the most current data from the switch.
To retain the changes across the switch's next power cycle, click System > Configuration Storage > Save.
Interface Configuration
Use the CoS Interface Configuration page to apply an interface shaping rate to all ports or to a specific port.
To display the CoS Interface Configuration page, click QoS > Class of Service > Interface in the navigation
menu.
Field
Interface
Trust Mode
Interface Shaping Rate
WRED Decay Exponent
Use the buttons to perform the following tasks:
• If you change any fields on the page, click Submit to apply the changes.
• Click Refresh to refresh the page with the most current data from the switch.
To retain the changes across the switch's next power cycle, click System > Configuration Storage > Save.
Ubiquiti Networks, Inc.
CoS IP DSCP Mapping Configuration Fields
Description
The interface to configure. To configure the same IP DSCP-to-Traffic Class mappings on all interfaces,
select Global.
The list of possible IP DSCP values the IP header can include.
The internal traffic class to which the corresponding IP DSCP priority value is mapped. The higher the
traffic class value, the higher its priority is for sending traffic.
CoS Interface Configuration
CoS Interface Configuration Fields
Description
The interface to configure. To configure the same settings on all interfaces, select Global.
The trust mode for ingress traffic on the interface, which is one of the following:
• untrusted The interface ignores any priority designations encoded in incoming packets, and
instead sends the packets to a traffic queue based on the ingress port's default priority.
• trust dot1p The port accepts at face value the 802.1p priority designation encoded within
packets arriving on the port.
• trust ip-dscp The port accepts at face value the IP DSCP priority designation encoded within
packets arriving on the port.
The upper limit on how much traffic can leave a port. The limit on maximum transmission bandwidth
has the effect of smoothing temporary traffic bursts over time so that the transmitted traffic rate is
bounded. The specified value represents a percentage of the maximum negotiated bandwidth.
The decay exponent value used with the Weighted Random Early Detection (WRED) average queue
length calculation algorithm.
Configuring Quality of Service
245