[lwip-devel] [bug #58139] RFC5227 violation in acd module

[Matthias Dietrich]

Follow-up Comment #4, bug #58139 (group lwip):

Hi all,

Since I am working on making the ACD implementation "configurable" (in order
to support the specific requirements of the EtherNet/IP industrial protocol),
I started writing unit tests for ACD. And while doing so, I noticed this
issue.

For my specific use case, I'd much prefer to have the "official" RFC
behavior.

As I am currently adding configuration options for ACD, I've now added an
option to select whether the IP address shall be considered valid after the
first or the last announce. I would use the RFC behavior as a default, but if
required someone could pick the "BCT" alternative from lwipopts.h.

Would that be an acceptable solution? If so, I guess that issue could be
closed if/when my patches are accepted.




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