Friday, November 12, 2021

Newb Question - VLANs with same subnet?

Curious if I can assign a virtual IP range to a VLAN, almost like putting a VLAN behind a VPN/NAT? Would like overlapping subnets to exist on the same network.

Example: Internal soundmasking 192.168.100.0/24 network on its own switch - d/c from the rest of the network. Then maybe we also have the IP phone system on 192.168.100.0/24 that is connected to the rest of the network.

I want to add the soundmasking into the rest of the network, without having to change its subnet.

Thinking I can setup a new vlan / tag port on my main switch (HPE/Aruba L3 stack) to connect the soundmasking switch to - then set something up in switch or router to tie that vlan to another ip range? say 192.168.200.0/24 .

So if I send data to 192.168.200.1, it would be forwarded to 192.168.100.1 on that vlan? - And reversely data sent out of that port/vlan on 192.168.100.1, would look like its being sent from 192.168.200.1?

If you guys can point me in the right direction? I can usually figure things out but in this case I'm not even sure what to search for / what to read up on?



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