traffic-policy {
    shaper myshaper-out {
        bandwidth 6000kbit
        class 2 {
            bandwidth 30%
            burst 50kb
            ceiling 100%
            description "Syn ack bufferbloat out"
            match tiny4 {
                ip {
                    max-length 256
                    tcp {
                        ack
                        syn
                    }
                }
            }
            match tiny6 {
                ip {
                    max-length 256
                    tcp {
                        ack
                        syn
                    }
                }
            }
            queue-type fq-codel
        }
        default {
            bandwidth 70%
            burst 250kb
            ceiling 100%
            queue-type fq-codel
        }
    }
}

    pppoe pppoe0 {
        authentication {
            password ******
            user [email protected]
        }
        default-route auto
        mtu 1500
        no-peer-dns
        source-interface eth3
        traffic-policy {
            out myshaper-out
        }
    }