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Two devices with the same Ip and MAC ID address
Hi all, I need to connect two devices, that have the same IP and mac ID address, on a switch GS716Tv3. And I need to be able to talk to them independently. Is there a way to configure the switch, in a way that those two connections will be separated?
Thanks a lot
3 Replies
No way, even if you would operate two physical networks. The MAC address must be unique. And if you have two networks, you need two computers with a complete different IP stack - because the IP stack with two adapters connecting to two networks will be massively confused - because the assumption will be both are the "same" system.
What is this odd use-case intended for?
Yep unfortunately we did face the odd.
We did read about some NAT router, that can be a bridge that can translate an IP address in both directions. So maybe we can use something like that to change the second device that had the same IP address from the network.
Is that something that may works according to you?
ThanksSome fully fledged NAT routers or iptables config (not simple many2one as the consumer routers), this is worth a try. Well possible you need two physical units due to the same MAC address.
I'd start with two RasPi or better a NanoPi with two physical Ethernet adapters.
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