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I'm running a Node server on port :3000 and want to access it from other devices using Pi's wlan0 address.
wlan0: 169.254.36.22
eth0: 192.168.132 - Accessing from all 3 devices works good.
What could be the potential cause of this problem?
I lost every hope in Android devices. They don't support zeroconf (raspberrypi.local) out of the box, and now this weird problem.
The answer is already given in your question. Android does not support link-local ip addresses out of the box. It needs a DHCP server. If you are interested for details I have just verified this in Check up - Setting up a Raspberry Pi as an access point. On Checkpoint 4 you will see the access point (RPiNet) in the list of access points on your mobile phone but you cannot connect to it yet. Only if you configure a DHCP server to the access point interface (/etc/systemd/network/08-wlan0.network) the mobile phone will connect.
DHCPServer=yes . And still my android devices keep trying reconnecting.
Jan 11, 2020 at 15:08
169.254.x.xaddress - but I guess zeroconf makes that possible - read up on what 169.254.x.x addresses are ... then give you wlan a useful IP address instead