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If I use the create_ap command on my Ubuntu 18.04 to setup the WiFi interface and connect to it with multiple devices, here is what happens: * I can connect from any client device to the external internet. * I can ping the router from any client. * I can ping any client from the router. * I cannot ping one client from another client.

So it seems like there is some issues with routing within the subnet. When I try to ping from one client to another I can see that the ARP request makes its way to the router but is not propagated to the other client device. How do I debug this? Any tips on what to look for would be appreciated.

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