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DHCP lease renewal time not respected #307

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cjbe opened this issue Sep 16, 2019 · 0 comments · Fixed by #437
Closed

DHCP lease renewal time not respected #307

cjbe opened this issue Sep 16, 2019 · 0 comments · Fixed by #437
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cjbe commented Sep 16, 2019

The DHCP client implementation ignores the renewal (T1) and rebinding (T2) times set by the server, and instead has a fixed renewal interval of 60s (here).

Renewing earlier than T1 is explicitly allowed by the RFC, but renewing this frequently is a little extreme, and can set off intrusion detection systems (sample size 1...).
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Adding DHCP lease management ryan-summers/smoltcp
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@whitequark @cjbe