# icmpv6 type nd-router-advert [ { "match": { "left": { "payload": { "field": "type", "protocol": "icmpv6" } }, "op": "==", "right": "nd-router-advert" } } ] # meta l4proto ipv6-icmp icmpv6 type nd-router-advert [ { "match": { "left": { "meta": { "key": "l4proto" } }, "op": "==", "right": "ipv6-icmp" } }, { "match": { "left": { "payload": { "field": "type", "protocol": "icmpv6" } }, "op": "==", "right": "nd-router-advert" } } ] # meta l4proto icmp icmp type echo-request [ { "match": { "left": { "meta": { "key": "l4proto" } }, "op": "==", "right": "icmp" } }, { "match": { "left": { "payload": { "field": "type", "protocol": "icmp" } }, "op": "==", "right": "echo-request" } } ] # meta l4proto 1 icmp type echo-request [ { "match": { "left": { "meta": { "key": "l4proto" } }, "op": "==", "right": 1 } }, { "match": { "left": { "payload": { "field": "type", "protocol": "icmp" } }, "op": "==", "right": "echo-request" } } ] # icmp type echo-request [ { "match": { "left": { "payload": { "field": "type", "protocol": "icmp" } }, "op": "==", "right": "echo-request" } } ]