dhcpd.leases question

[Nicolás Valera]

On 06/05/2012 10:28 AM, Glenn Satchell wrote:
> On 06/05/12 23:10, Glenn Satchell wrote:
>> On 06/05/12 22:26, Nicolás Valera wrote:
>>> Hi, sorry about my ignorance but, what does it means "rewind binding
>>> state free;" in dhcpd.leses file?
>>> Thanks in advance!
>>> Nix.
>>
>> Hi Nicolás
>>
>> The dhcpd.leases man age describes the format of the leases file.
>>
>> binding state state; next binding state state;
>>
>> The binding state statement declares the lease's binding
>> state. When the DHCP server is not configured to use the
>> failover protocol, a lease's binding state will be either
>> active or free. The failover protocol adds some additional
>> transitional states, as well as the backup state, which
>> indicates that the lease is available for allocation by the
>> failover secondary.
>>
>> A binding state of "active" means there is a client using this
>> particular lease now.
>>
>> A state of "free" means there is no client using this lease at the
>> moment and it is available to be given out by the server.
>>
>
> Sorry about that - it would be helpful if I read the question a bit 
> more closely!
>
> Rewind binding state is used in failover. If the two servers go into 
> communications-interrupted mode where they lose contact with each 
> other, normally a particular server can only hand out new leases from 
> it's share of the free pool. The idea is to allow it to reset the 
> binding state of a lease so that it can re-issue the IP address. This 
> is a fairly complex optimisation of the failover conditions which 
> would not occur in normal operation and only rarely if failover 
> situations, so it is something you shouldn't worry about too much.
>
Thanks for the answer!
but i'm not using the failover option, why my leases file contains that?

Thanks again and sorry about my English!