Add stateless auto configuration for IPv4 #9877
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Codecov ReportAll modified and coverable lines are covered by tests ✅
Additional details and impacted files@@ Coverage Diff @@
## master #9877 +/- ##
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Auto IP configuration is a method of picking a random IP address in the 169.254.0.0/16 subnet. It is analogous to the IPv6 stateless autoconfiguration on link-local interfaces. It's actually recommended by LwIP for use with mDNS and is useful for networks where devices should be configured without a DHCP server and then discovered by name via mDNS. Currently only implemented for the LWIP software IP stack. Signed-off-by: Jared Hancock <jared.hancock@centeredsolutions.com>
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This does look useful, and the changes look good to me. The docs might want to mention it's only available if enabled at compile time, and perhaps it could be enabled by default on larger ROM feature builds? |
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Auto IP configuration is a method of picking a random IP address in the 169.254.0.0/16 subnet. It is analogous to the IPv6 stateless autoconfiguration on link-local and other interfaces.
I might be the only one who would like this sort of thing, but I'm looking to implement a setup with lots of the devices on the network and do not want to use a DHCP server and also do not care what address will be used by the devices because they will connect to a server on the local, layer-2 network with a well known address (like, e.g. 169.254.0.1/16).
Currently only implemented for the LWIP software IP stack.