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flan / staticdhcpd

A fast, light, extremely customisable DHCP server written in Python
GNU General Public License v3.0
123 stars 42 forks source link

DHCPRENEW support #91

Closed andrew-azarov closed 1 year ago

andrew-azarov commented 2 years ago

Would be great to get DHCPRENEW support to drop old assignments.

flan commented 1 year ago

This isn't possible with how the reference dynamism module works, since it just uses a primitive in-memory map of a network and some naive probing to maintain post-restart continuity.

The recently committed (to be tested in the next week or two) Redis-backed dynamic-allocation module should be more robust, since it can make use of NAK with multiple servers and authoritatively track 1:1 associations with persistence.

I'm also not entirely sure I understand your concern or use-case, so I'm just assuming you've enabled the reference dynamism module and that this is the relevant context.