dhcpd.leases file missing old lease IP after each dhcpd restart

P N Kumar kumar.pn at gmail.com
Thu Nov 19 15:24:18 UTC 2015

Hi All,

Please help me on this issue which I have been working since long time.
We use ISC DHCP 4.2.8 server to assign fixed IP address to clients.

On the first config commit server leased out 6 IP address to 6 clients.  to

When I restart 1st time  ,DHCP "/etc/init.d/dhcp-server restart", I can see
all 6 leases exist in dhcpd.lease file

2nd time restart misses first lease IP i.e. lease file has
3rd time restart  lease file has
5th time restart  lease file has
6th time restart  lease file has

but I can still ping (or any other missing IP) from DHCP server.

Has anyone seen this behavior?

Thanks for your help in advance.

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