System information

Configuring Quality of Service

Configuring QoS

Cisco Small Business 200 Series Smart Switch Administration Guide 186

STEP 4 If you selected DSCP, proceed to STEP 6; if you selected CoS, proceed to the next

step.

STEP 5 Select Port/LAG to display/modify all ports/LAGs 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

opens.

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 switch is updated.

Modifying Interface Default CoS Value

STEP 1 Click Quality of Service > General > QoS Properties. The QoS Properties Page

opens.

STEP 2 Select an interface, and click Edit. The Edit Interface CoS Configuration Page

opens.

STEP 3 Enter the parameters.

• Interface—Select the interface.

• 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 4 Click Apply. The interface default CoS value is set, and the switch is updated.