# ifconfig 
re0: flags=8943<UP,BROADCAST,RUNNING,PROMISC,SIMPLEX,MULTICAST> metric 0 mtu 1500
        options=201b<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,WOL_MAGIC>
        ether 8c:0e:60:67:70:06
        inet 172.16.217.254 netmask 0xffffff00 broadcast 172.16.217.255
        media: Ethernet autoselect (2500Base-T <full-duplex>)
        status: active
        nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>
re1: flags=8943<UP,BROADCAST,RUNNING,PROMISC,SIMPLEX,MULTICAST> metric 0 mtu 1500
        options=201b<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,WOL_MAGIC>
        ether 40:8d:5c:47:50:ff
        inet 172.16.218.254 netmask 0xffffff00 broadcast 172.16.218.255
        media: Ethernet autoselect (1000baseT <full-duplex>)
        status: active
        nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>
re2: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
        options=201b<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,WOL_MAGIC>
        ether 00:e0:4c:68:16:f5
        inet 175.180.128.74 netmask 0xffffff00 broadcast 175.180.128.255
        inet 192.168.1.253 netmask 0xffffff00 broadcast 192.168.1.255
        inet 192.168.2.253 netmask 0xffffff00 broadcast 192.168.2.255
        media: Ethernet autoselect (1000baseT <full-duplex>)
        status: active
        nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>
re3: flags=8903<UP,BROADCAST,PROMISC,SIMPLEX,MULTICAST> metric 0 mtu 1500
        options=201b<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,WOL_MAGIC>
        ether 8c:0e:60:67:70:07
        inet 172.16.219.254 netmask 0xffffff00 broadcast 172.16.219.255
        media: Ethernet autoselect
        status: no carrier
        nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>
lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> metric 0 mtu 16384
        options=680003<RXCSUM,TXCSUM,LINKSTATE,RXCSUM_IPV6,TXCSUM_IPV6>
        inet6 ::1 prefixlen 128
        inet6 fe80::1%lo0 prefixlen 64 scopeid 0x5
        inet 127.0.0.1 netmask 0xff000000
        groups: lo
        nd6 options=21<PERFORMNUD,AUTO_LINKLOCAL>
tun0: flags=8051<UP,POINTOPOINT,RUNNING,MULTICAST> metric 0 mtu 1492
        options=80000<LINKSTATE>
        inet 175.180.128.74 --> 175.180.128.1 netmask 0xffffff00
        groups: tun
        nd6 options=21<PERFORMNUD,AUTO_LINKLOCAL>
        Opened by PID 896
bridge0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
        ether 02:87:4e:87:ac:00
        id 00:00:00:00:00:00 priority 32768 hellotime 2 fwddelay 15
        maxage 20 holdcnt 6 proto rstp maxaddr 2000 timeout 1200
        root id 00:00:00:00:00:00 priority 32768 ifcost 0 port 0
        member: re3 flags=143<LEARNING,DISCOVER,AUTOEDGE,AUTOPTP># ifconfig bridge0 destroy
                ifmaxaddr 0 port 4 priority 128 path cost 55
        member: re1 flags=143<LEARNING,DISCOVER,AUTOEDGE,AUTOPTP>
                ifmaxaddr 0 port 2 priority 128 path cost 20000
        member: re0 flags=143<LEARNING,DISCOVER,AUTOEDGE,AUTOPTP>
                ifmaxaddr 0 port 1 priority 128 path cost 800
        groups: bridge
        nd6 options=9<PERFORMNUD,IFDISABLED>


/etc/rc.conf

#/      2022-02-20
#       man if_bridge
cloned_interfaces="bridge0"
ifconfig_bridge0="inet 172.16.218.1 netmask 255.255.252.0 broadcast 172.16.218.255"     # /22 255.255.252.0
ifconfig_bridge0="addm re0 addm re1 addm re3 up"
#/



/etc/rc.local
# ifconfig bridge0 destroy
# ifconfig bridge create 
bridge0
# ifconfig re3 delete
# ifconfig re3 inet 172.16.219.254 netmask 255.255.255.0
# ifconfig bridge0 inet 172.16.218.1/22
# ifconfig bridge0 addm re0 addm re1 addm re3 up

# ifconfig re0 up
# ifconfig re1 up
# ifconfig re3 up