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

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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.

Other related questions:
Can the virtual MAC address be used as the source MAC address of packets
Yes. By default, the firewall uses the physical MAC address to encapsulate Layer-3 service packets. To use the virtual MAC address, run the vrrp virtual-mac enable command in the interface view.

Do the S2700&S3700&S5700&S6700 switches transparently transmit BPDUs by default
By default, the S2700&S3700&S5700&S6700 switches do not transparently transmit Bridge Protocol Data Unit (BPDUs).

Can the S2700/S3700/S5700/S6700 switches use AC and DC power supply simultaneously
In versions earlier than V100R006C01, the S2700, S3700, and S5700 cannot use AC and DC power supply simultaneously. In V100R006C01 and later versions, the S3700-26C-HI, S5700-28C-HI, and S5700-28C-HI-24S can use AC and DC power supply simultaneously. S6700 cannot use AC and DC power supply simultaneously. In V200R001C00 and later versions, the S5710-28C-EI and S5710-52C-EI can use AC and DC power supply simultaneously. In versions prior to V200R005C00, the S6700-EI cannot use AC and DC power supply simultaneously. In V200R005C00, the S5700-EI (non-PoE), S5700-SI (non-PoE), and S6700-EI can use AC and DC power supply simultaneously. In V200R006C00 and later versions, the S5720-HI (non-PoE) can use AC and DC power supply simultaneously. In V200R007C00 and later versions, the S5720-C-EI (non-PoE) and S5720-PC-EI (non-PoE) can use AC and DC power supply simultaneously. The S5720-SI (non-PoE) and S6720-EI newly available in V200R008C00 can use AC and DC power supply simultaneously.

Does an AR learn the source MAC address of multicast packets
The AR learns MAC addresses of received multicast packets.

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