# Policies

Configuration > Policies

Policing is the process by which a device limits the bandwidth consumed by a flow of traffic. Policing can either mark or drop traffic.

Marking is the process of setting a DSCP value (for Layer 3) or CoS value (for Layer 2) in the headers. Dropping is the process where packets exceeding a certain threshold are dropped from the interface.

The following list specifies buttons in this dialog box, as well as their function:

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