Rebuilding Leases file from log file

Simon Hobson dhcp1 at
Wed Nov 28 11:52:13 UTC 2007

Larry Apolonio wrote:

>Hows performance in this mode?  Can this handle 100 4-way handshakes 
>per second?  I was told that two DHCP servers in peer mode (AKA 
>failover) do not perform well.  This is second hand information, so 
>I have not confirmed this, thus I have avoided DHCP servers in peer 
>mode and opted to rsync the lease and dhcpd.conf file and restart 
>it.  In my research I have found that startup times can get really 
>bad, but with two peer DHCP servers, it may be moot.

That's a question for someone running failover, but I believe there 
are people running some very large installations (10s of thousands of 

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