Configure Quality of Service
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ProSAFE 10-Gigabit Smart Managed Switch XS728T and XS748T User Manual
For example, assume three levels of service—A, B, and C—and that the DSCP incoming
values used to mark these levels are 10, 20, and 30 respectively. If this traffic is forwarded to
another service provider that provides the same three levels of service, but uses DSCP
values 16, 24, and 48, the DSCP violate action mapping changes the incoming values as
they are mapped to the outgoing values.
 To specify the DSCP remark values for violate action IP packets:
1. Connect your computer to the same network as the switch.
You can use a WiFi or wired connection to connect your computer to the network, or
connect directly to a switch that is off-network using an Ethernet cable.
2. Launch a web browser.
3. In the address field of your web browser, enter the IP address of the switch.
If you do not know the IP address of the switch, see Change the Default IP Address of the
Switch on page 10.
The login window opens.
4. Enter the switch’s password in the Password field.
The default password is password.
The System Information page displays.
5. Select QoS > DiffServ > Basic > DSCP Violate Action Mapping.
The previous figure does not show the Expedited Forwarding (EF) PHB values and the
Other DSCP Values (Local/Experimental Use) values.
6. For each DSCP value, from the corresponding DSCP Out menu, select to which internal
traffic class the DSCP value must be remarked.
The original DSCP value for the incoming traffic is shown in the DSCP In field.
7. Click the Apply button.
The updated configuration is sent to the switch. Configuration changes take effect
immediately.
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