table ip ipfoo { map t1 { typeof numgen inc mod 2 : ip daddr } map t2 { typeof numgen inc mod 2 : ip daddr . tcp dport } map x { type ipv4_addr : ipv4_addr } map y { type ipv4_addr : ipv4_addr . inet_service elements = { 192.168.7.2 : 10.1.1.1 . 4242 } } map z { type ipv4_addr . inet_service : ipv4_addr . inet_service elements = { 192.168.7.2 . 42 : 10.1.1.1 . 4242 } } chain c { type nat hook prerouting priority dstnat; policy accept; iifname != "foobar" accept dnat to ip daddr map @x ip saddr 10.1.1.1 dnat to 10.2.3.4 ip saddr 10.1.1.2 tcp dport 42 dnat to 10.2.3.4:4242 meta l4proto tcp dnat ip to ip saddr map @y dnat ip to ip saddr . tcp dport map @z dnat to numgen inc mod 2 map @t1 meta l4proto tcp dnat ip to numgen inc mod 2 map @t2 } } table ip6 ip6foo { map t1 { typeof numgen inc mod 2 : ip6 daddr } map t2 { typeof numgen inc mod 2 : ip6 daddr . tcp dport } map x { type ipv6_addr : ipv6_addr } map y { type ipv6_addr : ipv6_addr . inet_service } map z { type ipv6_addr . inet_service : ipv6_addr . inet_service } chain c { type nat hook prerouting priority dstnat; policy accept; iifname != "foobar" accept dnat to ip6 daddr map @x ip6 saddr dead::1 dnat to feed::1 ip6 saddr dead::2 tcp dport 42 dnat to [c0::1a]:4242 meta l4proto tcp dnat ip6 to ip6 saddr map @y dnat ip6 to ip6 saddr . tcp dport map @z dnat to numgen inc mod 2 map @t1 meta l4proto tcp dnat ip6 to numgen inc mod 2 map @t2 } } table inet inetfoo { map t1v4 { typeof numgen inc mod 2 : ip daddr } map t2v4 { typeof numgen inc mod 2 : ip daddr . tcp dport } map t1v6 { typeof numgen inc mod 2 : ip6 daddr } map t2v6 { typeof numgen inc mod 2 : ip6 daddr . tcp dport } map x4 { type ipv4_addr : ipv4_addr } map y4 { type ipv4_addr : ipv4_addr . inet_service } map z4 { type ipv4_addr . inet_service : ipv4_addr . inet_service elements = { 192.168.7.2 . 42 : 10.1.1.1 . 4242 } } map x6 { type ipv6_addr : ipv6_addr } map y6 { type ipv6_addr : ipv6_addr . inet_service } map z6 { type ipv6_addr . inet_service : ipv6_addr . inet_service } chain c { type nat hook prerouting priority dstnat; policy accept; iifname != "foobar" accept dnat ip to ip daddr map @x4 ip saddr 10.1.1.1 dnat ip to 10.2.3.4 ip saddr 10.1.1.2 tcp dport 42 dnat ip to 10.2.3.4:4242 meta l4proto tcp dnat ip to ip saddr map @y4 dnat ip to ip saddr . tcp dport map @z4 dnat ip to numgen inc mod 2 map @t1v4 meta l4proto tcp dnat ip to numgen inc mod 2 map @t2v4 dnat ip6 to ip6 daddr map @x6 ip6 saddr dead::1 dnat ip6 to feed::1 ip6 saddr dead::2 tcp dport 42 dnat ip6 to [c0::1a]:4242 meta l4proto tcp dnat ip6 to ip6 saddr map @y6 dnat ip6 to ip6 saddr . tcp dport map @z6 dnat ip6 to numgen inc mod 2 map @t1v6 meta l4proto tcp dnat ip6 to numgen inc mod 2 map @t2v6 } }