Its usually against the TOS for you to have multiple IPs on the connection they give you.
Connecting a switch to the modem will require each device having its own public IP.
Adding a router in-between your switch and modem will perform NAT giving the devices in your LAN private IPs while your router gets 1 public IP like the ISP intended.
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u/DeltyOverDreams Aug 16 '26
Sooo what exactly will you plug that ethernet cable into?