First of all let me begin by saying that I'm a total noob when it comes to smart/managed switches. So forgive me if this is not even possible to accomplish.
Also, I know that this could easily be achieved by utilizing another switch by placing it between the cable modem and router, but I want to know if I can make do with just one switch. In the process, learn some of the more advanced techniques involved.
(internet)
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(cable modem)(which serves 10 usable Public IP(s))
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This CAT5e line with get connected to DGS-1224T's Port #1
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(DGS-1224T)
From here, I would like to connect a line between Port #2 of the DGS-1224T and my router's WAN port to obtain the first public IP. So far so good.
Here where it gets interesting. I then want to connect a line between Port #12 of the DGS-1224T and my router's (switch part - LAN segment) Port #1.
So basically I want to use Port #1 ~ #11 for Public IP addresses coming from the cable modem and use Port #12 ~ #24 for Private IP addresses that are controlled by my router/firewall (which is connected to Port #2).
Is this possible? If so, will there be any drawbacks?