I am onboard a vessel where I have a Cisco 1921 router with intergrated 8-port dwitch. I have no experince what so ever with Cisco, onlye knowledge about netwrok in general.
What I need to do is to create 3 VLANs wit different networks and thier own gateways internally( no external routers, no external switches), and I want client in all networks to be able to communicate qith each other:
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It might be as simple as defining VLAN interfaces for your 3 VLANs, and they assigning the ports to one of the 3 VLANs.
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