I am quite new to networking and learning new concepts and things every day, but I have no idea how to accomplish the following:
I have a modem from my ISP (ZYXEL VMG8825-T50), which connects to my old router (an Asus RT-3200), and now I also connected my new Sophos SG330 with Sophos XG to that modem.
When I am connected to the Asus router, I cannot access any devices in the Sophos router's network, and vice versa. How can I accomplish the described situation?
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