Can an IP address be configured for an FE interface on an AR

FE interfaces are classified into Layer 2 interfaces and Layer 3 interfaces. You can configure IP addresses for Layer 3 FE interfaces. Some FE interfaces can switch between Layer 2 and Layer 3 modes. For example, Ethernet0/0/0 on AR150&AR200 works in Layer 2 mode by default. Run the undo portswitch command to switch from Layer 2 mode to Layer 3 mode. After an FE interface is switched to Layer 3 mode, you can configure IP addresses for the interface.

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