Can the FE interface of the AR be assigned an IP address directly

FE interfaces fall into Layer 2 and Layer 3 interfaces. A Layer 3 FE interface can be directly assigned an IP address. Some FE interfaces support Layer 2 and Layer 3 mode switching. For example, Ethernet0/0/0 on the AR150&AR200 is a Layer 2 Ethernet interface by default. You can run the undo portswitch command to switch the Layer 2 mode to Layer 3 mode. After switching, the interface can be assigned an IP address.

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