DHCP failover - lease time it's always MCLT

Gero Palacio gero.palacio at gmail.com
Mon Jun 29 19:32:09 UTC 2015


Hi Chris,

The initial lease time and all subsequent leases are set to MCLT.



On Mon, Jun 29, 2015 at 4:24 PM, Chris Buxton <clists at buxtonfamily.us>
wrote:

> On Jun 29, 2015, at 12:16 PM, Gero Palacio <gero.palacio at gmail.com> wrote:
>
> Hi There,
>
> I'm running a pair of DHCP servers in failover mode and the server that
> responds the DHCPREQUEST message *always* replies back with a lease time of
> MCLT. As I understand the protocol (DHCP Failover Protocol Draft IEFT
> <https://tools.ietf.org/html/draft-ietf-dhc-failover-12%20and>) this
> should not be the case as both servers are in *normal* state. I've checked
> that in the dhcpd.leases file and using OMSHELL.
>
> MTCL is currently set to 5 seconds to troubleshoot the problem. Any idea
> what could be wrong? Is there any condition I'm missing where the lease
> time is set exclusively to MTCL?
>
>
> Gero,
>
> Are you saying the initial lease is set to MCLT, or that the lease is
> renewed at that duration as well?
>
> The initial lease duration will always be MCLT. Always. But after the
> first renewal, it should be set according to the default, min, and max
> values.
>
> Chris Buxton
>
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