Configuring LANBased Classification and Marking

This topic describes the Cisco IOS commands that are required to configure LAN-based classification and marking.

The figure shows some of the QoS configuration commands that are necessary for Catalyst 2950 switches. The defaults for its interfaces are as follows:

■ Pass-through mode is disabled.

■ Trusted boundary is disabled.

mls qos trust [cos [pass-through dscp] | device cisco-phone | dscp]

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