how dhcp-server select a ip-address to client?
dhcp1 at thehobsons.co.uk
Mon Mar 5 13:19:22 UTC 2012
One other thing ...
The leases file on disk is read exactly once during server startup -
after that is it never read. The server operates exclusively from
tables held in memory.
Every time there is a state change, a new record is appended to the
lease file to record it on disk - thus when reading/parsing the file
you should read only the last record that matches a particular
To prevent the file growing indefinitely, the server has a cleanup
process (compiled in at one hour intervals). This writes a new clean
file from the in-memory tables, moves the live file, and moves the
new file to be the live file.
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