{master}
root> show configuration dynamic-profiles vlan-autosense-profile    
interfaces {
    "$junos-interface-ifd-name" {
        unit "$junos-interface-unit" {
            demux-source inet;
            proxy-arp;
            vlan-id "$junos-vlan-id";
            family inet {
                unnumbered-address lo0.0;
            }
        }
    }
}

{master}
root> show configuration access profile aaa-freeradius-profile 
accounting-order radius;
authentication-order radius;
radius {
    authentication-server [ 10.202.2.153 10.102.2.209 ];
    accounting-server 10.202.2.153;
    options {
        accounting-session-id-format decimal;
        service-activation {
            dynamic-profile optional-at-login;
        }
    }
}
radius-server {
    10.102.2.209 {
        port 1812;
        accounting-port 1813;
        dynamic-request-port 3799;
        secret "$9$"; ## SECRET-DATA
        timeout 30;
        retry 3;
        accounting-timeout 5;
        accounting-retry 1;
        source-address 10.0.100.1;
    }
    10.202.2.153 {
        port 1812;
        accounting-port 1813;
        dynamic-request-port 3799;
        secret "$9ss$" ## SECRET-DATA
        timeout 5;
        retry 3;
        inactive: max-outstanding-requests 50;
        source-address 10.0.100.1;
    }
}
accounting {
    order radius;
    accounting-stop-on-failure;
    accounting-stop-on-access-deny;
    update-interval 10;
    statistics volume-time;
}
service {
    accounting-order radius;
    accounting {
        update-interval 10;
        statistics volume-time;
    }
}

{master}
root> show configuration system services dhcp-local-server             
pool-match-order {
    external-authority;
    ip-address-first;
}
overrides {
    client-discover-match;
}
group internet {
    authentication {
        password VerySecurePassword;
        username-include {
            delimiter "@";
            mac-address;
            option-82 circuit-id remote-id;
        }
    }
    dynamic-profile router-dhcp-profile;
    access-profile aaa-freeradius-profile;
    interface ae20.0;
    interface ae21.0;
    interface ae22.0;
    interface ae23.0;
}

{master}
root> show configuration dynamic-profiles router-dhcp-profile   
interfaces {
    demux0 {
        unit "$junos-interface-unit" {
            no-traps;
            proxy-arp;
            demux-options {
                underlying-interface "$junos-underlying-interface";
            }
            targeted-distribution;
            family inet {
                demux-source {
                    $junos-subscriber-ip-address;
                }
                inactive: filter {
                    input "$junos-input-filter";
                    output "$junos-output-filter";
                }
                unnumbered-address lo0.0;
            }
        }
    }
}

{master}
root> show configuration interfaces ae21                            
flexible-vlan-tagging;
auto-configure {
    vlan-ranges {
        dynamic-profile vlan-autosense-profile {
            accept dhcp-v4;
            ranges {
                3-942;
                944-4094;
            }
        }
    }
    remove-when-no-subscribers;
}
encapsulation flexible-ethernet-services;
aggregated-ether-options {
    load-balance {
        no-adaptive;
    }
    minimum-links 1;
    link-speed 10g;
    lacp {
        active;
        periodic fast;
    }
}