Mine

device          apic                    # I/O APIC

options        SMP                     # Symmetric MultiProcessor Kernel
#options        HTT                     # HyperThreading Technology

options         MAXDSIZ="(256*1024*1024)"
options         DFLDSIZ="(256*1024*1024)"
options         NMBCLUSTERS=16384
options         IPFIREWALL                      #finger the net
options         IPFIREWALL_VERBOSE              #log the net
options         IPFIREWALL_DEFAULT_TO_ACCEPT    #just what it say
options         TCP_DROP_SYNFIN         #drop TCP packets with SYN+FIN
options         QUOTA

options         SHMMAXPGS=4096
options         SHMSEG=256
options         SEMMNI=256
options         SEMMNS=512
options         SEMMNU=256
options         SEMMAP=256

options         MAXDSIZ="(256*1024*1024)"
options         DFLDSIZ="(256*1024*1024)"
options         NMBCLUSTERS=30000

options         DUMMYNET

options         IPFIREWALL
options         IPFIREWALL_VERBOSE
options         IPFIREWALL_VERBOSE_LIMIT=5
options         IPFIREWALL_DEFAULT_TO_ACCEPT
options         IPDIVERT
options         BRIDGE

options         IPV6FIREWALL            # no rules; just drop all IPV6 traffic
options         TCP_DROP_SYNFIN         # drop TCP packets with SYN+FIN
options         QUOTA

options         IPFILTER
options         IPFILTER_LOG
options         HZ=2000
options         DEVICE_POLLING

options         ALTQ
options         ALTQ_CBQ        # Class Bases 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)
options         ALTQ_NOPCC      # Required for SMP build