HP J3111A - JetDirect 600N Network Card Manuallines page 17

Disable unused
print protocols
and services.
Allowing
device
discovery helps
in device
management,
but may not be
required in all
environments.
802.1X
authentication
can also be
done. Special
equipment is
required. For a
complete
discussion of
802.1X, see
HP Jetdirect
whitepapers on
the topic. For
now, this
configuration
step is skipped.
17