On Tue, Oct 31, 2023 at 07:38:30PM +0100, Daniel wrote: > Hi list > > nft 1.02 I have following map configuration: > > map forward_udp.lan { > type ipv6_addr . inet_service : interval ipv6_addr . inet_service > flags interval > elements = { 2001:db8::1 . 20000-24999 : 2001:db8:16e:10::ffee . > 20000-24999 } > } > > ip6 chain prerouting > > add rule ip6 nat prerouting ip6 daddr . udp dport map @forward_udp.lan What is your intention with this rule? Are you looking up for a matching packet in this map using ip6 daddr . udp dport as key?