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Can I implement QoS features without a Policy Feature Card (PFC)?

April 26, 2017card feature features implement pfc policy QoS

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Can I implement QoS features without a Policy Feature Card (PFC)?

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A. In Catalyst 6000 Family Switches, the heart of QoS functionality resides on the PFC and is a requirement for Layer 3 or Layer 4 QoS processing. However, a supervisor without a PFC can be used for Layer 2 QoS classification and marking.