How to connect & Configure my Zyxel USG20 VPN firewall with ONT Router of my ISP


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  • WJS
    WJS Posts: 144  Ally Member
    First Anniversary 10 Comments Friend Collector First Answer
    I am not sure what's kind of your vender of modem.
    Generally, In bridge mode.In order to manage the device.They have another port to manage used.
    You can image the Port act as Layer 2 switch.
    I think you need to ISP verify the modem config as well.

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