DHCP clients losing address / backdated lease date

Nicolas C. dhcp at nryc.fr
Tue Nov 27 18:07:40 UTC 2012


We have several cases of linux or windows clients loosing their IPv4 

We noticed that sometimes, the date the client is supposed to have 
obtained the lease is way in the past (like in the year 1876).

The version of DHCP is 4.2.2 (Debian Wheezy), two DHCP are in failover. 
We suspect some security features on the ethernet switches but they have 
been deactivated.

Is anyone experienced this behavior?



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