interfaces {ethernet eth0 {
        address 192.168.100.250/24
        qos-policy {out adsl0}
        vif 32 {address 10.32.31.1/24}
        vif 88 {address 10.88.1.1/24}

qos-policy {
    traffic-shaper adsl0 {
        bandwidth 100mbit
        class 2 {bandwidth 512kbit
                     ceiling 512kbit
                     description Throttle
                     match devnet0 {ip {source {address 10.88.1.0/24}}}
                    }
        default {bandwidth 100%}
    }}