Hi I'm looking for some advice. I have a series of custom devices using LwIP, talking to a custom C# application. Some devices are connected to a network, using DHCP to get an IP address. Other devices are setup for standalone use and are directly connected to a local laptop for maintenence. In both cases I want to use the same ethernet connetion with the same software.
I've been looking at AUTOIP, but this takes almost a full minute to setup IP adresses, which is unacceptable. Another idea was to use one common static IP if no DHCP server was found. The problem with this is, that in case it's just a temporary DHCP server absence, I end up with dozens of devices having the same IP. My last idea was to use DHCP and PPPoE in parallel. So if there was no DHCP server, the laptop would use PPPoE. I haven't tested this, but if my thought is correct, this would solve both problems mentioned (to the cost of having to implement two protocols). If anybody has similar requirements, please let me know how you solved this. Am I on the right track, or is there a much simpler solution to my problem? Best Regards Simon
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