boot loader I/O through ethernet

[Cipta H]

Hello,

First of all, I'm new around here so please forgive me if I asked a stupid
question.

More and more systems are made without serial ports these days. This means I

can't access the loader prompt on FreeBSD without a monitor and keyboard,
which
is an annoyance. So my question is, is there a way to channel input and
output of
the loader through LAN / Ethernet by software only and somehow receiving it
on the
other side? Thanks in advance.

Regards,

Cipta