How does a S2700&S3700&S5700&S6700 switch process a packet whose source MAC address is the same as the bridge MAC address

An S2700&S3700&S5700&S6700 switch processes such a packet according to whether a Layer 3 VLANIF interface corresponding to the VLAN ID of the packet has been created:
If no VLANIF interface has been created, the switch forwards the packet at Layer 2.
If such a VLANIF interface has been created, the switch discards the packet.

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