Cisco SR224T Administration Guide - Page 273

Configuring Quality of Service Configuring QoS - General 20 STEP 3 Select a trust mode (CoS/802.1p or DSCP) and click Apply. STEP 4 If you selected DSCP, proceed to STEP 6; if you selected CoS, proceed to the next step. STEP 5 Select Port/LAG and click GO to display/modify all ports/LAGs on the device and their CoS information. The following fields are displayed for all ports/LAGs: • Interface-Type of interface. • Default CoS-Default VPT value for incoming packets that do not have a VLAN Tag. The default CoS is 0. The default is only relevant for untagged frames if Trust CoS is selected. Select Restore Defaults to restore the factory CoS default setting for this interface. STEP 6 Click DSCP Override Table to enter the DSCP values. The DSCP Override Table is displayed. STEP 7 DSCP In displays the DSCP value of the incoming packet that needs to be remarked to an alternative value. Select the new DSCP value to override the incoming value. Select Restore Defaults to restore the factory DSCP values. STEP 8 Click Apply. The Running Configuration file is updated. To set QoS on an interface, select it, and click Edit. The Edit Interface CoS Configuration page is displayed. STEP 1 Enter the parameters. • Interface-Select the port or LAG. • Default CoS-Select the default CoS (Class-of-Service) value to be assigned for incoming packets (that do not have a VLAN tag). The range is 0-7. STEP 2 Click Apply. The interface default CoS value is written to Running Configuration file. Cisco Small Business 200 Series Smart Switch Administration Guide 274