# rt nexthdr {udplite, ipcomp, udp, ah, sctp, esp, dccp, tcp, ipv6-icmp} [ { "match": { "left": { "exthdr": { "field": "nexthdr", "name": "rt" } }, "op": "==", "right": { "set": [ 6, 17, 33, 50, 51, 58, 108, 132, 136 ] } } } ] # rt nexthdr != {udplite, ipcomp, udp, ah, sctp, esp, dccp, tcp, ipv6-icmp} [ { "match": { "left": { "exthdr": { "field": "nexthdr", "name": "rt" } }, "op": "!=", "right": { "set": [ 6, 17, 33, 50, 51, 58, 108, 132, 136 ] } } } ] # rt nexthdr icmp [ { "match": { "left": { "exthdr": { "field": "nexthdr", "name": "rt" } }, "op": "==", "right": 1 } } ] # rt nexthdr != icmp [ { "match": { "left": { "exthdr": { "field": "nexthdr", "name": "rt" } }, "op": "!=", "right": 1 } } ]