This CloudFormation template sets up VPC traffic mirroring by creating a traffic mirror session, traffic mirror target, and traffic mirror filter. The session mirrors traffic from source network interface `eni-123456789` and forwards to network load balancer `arn:aws:elasticloadbalancing:us-east-2:123456789012:loadbalancer/net/my-load-balancer/1234567890123456`

CloudFormation Template