**To create a Traffic Mirror Session** The following ``create-traffic-mirror-session`` command creates a traffic mirror sessions for the specified source and target for 25 bytes of the packet. :: aws ec2 create-traffic-mirror-session \ --description "example session" \ --traffic-mirror-target-id tmt-07f75d8feeEXAMPLE \ --network-interface-id eni-070203f901EXAMPLE \ --session-number 1 \ --packet-length 25 \ --traffic-mirror-filter-id tmf-04812ff784EXAMPLE Output:: { "TrafficMirrorSession": { "TrafficMirrorSessionId": "tms-08a33b1214EXAMPLE", "TrafficMirrorTargetId": "tmt-07f75d8feeEXAMPLE", "TrafficMirrorFilterId": "tmf-04812ff784EXAMPLE", "NetworkInterfaceId": "eni-070203f901EXAMPLE", "OwnerId": "111122223333", "PacketLength": 25, "SessionNumber": 1, "VirtualNetworkId": 7159709, "Description": "example session", "Tags": [] }, "ClientToken": "5236cffc-ee13-4a32-bb5b-388d9da09d96" } For more information, see `Create a Traffic Mirror Session <https://docs.aws.amazon.com/vpc/latest/mirroring/traffic-mirroring-session.html#create-traffic-mirroring-session>`__ in the *AWS Traffic Mirroring Guide*.