Building mfsBSD with networking support

mfsBSD is a fantastic stripped down version of FreeBSD and is especially useful when loaded from a PXE server since you can get a good overview of the status of your system without installing anything. It would be even handier if you were able to mount remote shares, so I was thinking of building it myself using the instructions supplied here but have no idea what is actually involved in adding a 'mount' functionality. Anyone know?
mount remote shares

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I found myself here whilst wondering about le networking in mfsBSD:

le(4) <> not le(1)