Partial config

interfaces {
    bridge br0 {
        aging 300
        bridged-conntrack disable
        description "br0 - Phone"
        hello-time 2
        max-age 20
        priority 32768
        promiscuous disable
        stp false
    }
    ethernet eth0 {
        address 192.168.1.1/24
        description "LAN - eth0"
        duplex auto
        speed auto
    }
    ethernet eth1 {
        description "NTU - eth1"
        duplex auto
        speed auto
        vif 4 {
            address dhcp
            description "IPTV - eth1.4"
            dhcp-options {
                client-option "send vendor-class-identifier "IPTV_RG";"
                client-option "request subnet-mask, routers, rfc3442-classless-static-routes;"
                default-route no-update
                default-route-distance 254
                name-server update
            }
            firewall {
                in {
                }
            }
        }
        vif 6 {
            description "Internet - eth1.6"
            mtu 1500
            pppoe 0 {
                default-route auto
                mtu 1492
                name-server auto
                password ppp
                user-id 11-11-11-11-11-11@internet
            }
        }
        vif 7 {
            bridge-group {
                bridge br0
            }
            description "Phone - eth1.7"
            mtu 1500
        }
    }
    ethernet eth2 {
        description "Phone - eth2"
        duplex auto
        speed auto
        vif 7 {
            bridge-group {
                bridge br0
            }
            description "Phone - eth2.7"
            mtu 1500
        }
    }
}
protocols {
    igmp-proxy {
        interface eth0 {
            role downstream
            threshold 1
        }
        interface eth1.4 {
            alt-subnet 0.0.0.0/0
            role upstream
            threshold 1
        }
    }
    static {
        route 213.75.112.0/21 {
            next-hop 10.164.0.1 {
            }
        }
    }
}
service {
    dhcp-server {
        disabled false
        global-parameters "option vendor-class-identifier code 60 = string;"
        global-parameters "option broadcast-address code 28 = ip-address;"
        hostfile-update disable
        shared-network-name LAN1 {
            authoritative enable
            subnet 192.168.1.0/24 {
                default-router 192.168.1.1
                dns-server 8.8.8.8
                lease 86400
                start 192.168.1.10 {
                    stop 192.168.1.100
                }
                subnet-parameters "option vendor-class-identifier "IPTV_RG";"
                subnet-parameters "option broadcast-address 192.168.1.255;"
            }
        }
    }
    nat {
        rule 5001 {
            description IPTV1
            destination {
                address 10.164.0.0/18
            }
            log disable
            outbound-interface eth1.4
            protocol all
            type masquerade
        }
        rule 5002 {
            description IPTV2
            destination {
                address 213.75.112.0/21
            }
            log disable
            outbound-interface eth1.4
            protocol all
            type masquerade
        }
        rule 5003 {
            outbound-interface pppoe0
            type masquerade
        }
    }
}
system {
    offload {
        ipv4 {
            forwarding enable
            gre enable
            pppoe enable
            vlan enable
        }
    }
}