pass in quick on enc0 from any to any
pass in quick on enc0 inet from any to any
pass in quick on enc0 inet6 from any to any

pass out quick on tun1000000 inet from any to any route-to tun1000001
pass out quick on tun1000000 from any to 192.168.1.1 route-to tun1000001
pass out quick on tun1000000 from any to fec0::1 route-to tun1000001

pass in on tun1000000 proto tcp from any to any port = 21 dup-to (tun1000001 192.168.1.1)
pass in on tun1000000 proto tcp from any to any port = 21 dup-to (tun1000001 fec0::1)

pass in quick on tun1000000 from 192.168.1.1/32 to 10.1.1.1/32 route-to tun1000001
pass in quick on tun1000000 from fec0::1/64 to fec1::2/128 route-to tun1000001

pass in on tun1000000 proto tcp from any to any port = 21 reply-to (tun1000001 192.168.1.1)
pass in on tun1000000 proto tcp from any to any port = 21 reply-to (tun1000001 fec0::1)

pass in quick on tun1000000 from 192.168.1.1/32 to 10.1.1.1/32 reply-to tun1000001
pass in quick on tun1000000 from fec0::1/64 to fec1::2/128 reply-to tun1000001

pass in quick on tun1000000 from 192.168.1.1/32 to 10.1.1.1/32 dup-to (tun1000001 192.168.1.100)
pass in quick on tun1000000 from fec0::1/64 to fec1::2/128 dup-to (tun1000001 fec1::2)