...
ident           NANO

options   IPSEC        #IP security
device    crypto
options         ALTQ
options         ALTQ_CBQ        # Class Based Queuing (CBQ)
options         ALTQ_RED        # Random Early Detection (RED)
options         ALTQ_RIO        # RED In/Out
options         ALTQ_HFSC       # Hierarchical Packet Scheduler (HFSC)
options         ALTQ_PRIQ       # Priority Queuing (PRIQ)

#makeoptions    DEBUG=-g                # Build kernel with gdb(1) debug symbols
...