• MQC classification options include: access list, IP precedence value, IP DSCP value, QoS group number, MPLS experimental bits, protocol (including NBAR), using another class map, Frame Relay DE bit, IEEE 802.1Q/ISL CoS/Priority values, input interface, source MAC address, destination MAC address, RTP (UDP) port range, and any packet.

• The class-map global configuration command is used to create a class map and enter the class map configuration mode.

• The MQC uses class maps to specify match criteria, allowing classification of traffic for QoS treatment.

• MQC class maps are used in conjunction with MQC policy maps. Class maps add no specific value without a referring policy map.

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