"Healthy" servers issuing leases for length of MCLT
Matt Causey
matt.causey at gmail.com
Sat Jul 10 01:23:25 UTC 2010
I checked my config. It's similar....and we're seeing the same behavior.
On Fri, Jul 9, 2010 at 5:36 PM, Oscar Ricardo Silva
<oscars at mail.utexas.edu> wrote:
> We have a pair of servers running in failover mode and they appear to be
> healthy and communicating with each other. The problem is that while we
> have the lease time set to 7 days, leases are only handed out for the length
> of the MCLT. I understand this is the expected behavior when the pair of
> servers are not communicating but these servers are in a normal state.
>
> And yes, I know the split statement is set to 255 but we do this to force
> preference onto the primary server. We have two other failover pairs
> running in the same manner without problem.
>
> I've verified that there are no crazy time differences between the two.
> I've also restarted one server at a time and waited for them to
> re-establish communication.
>
> Any thoughts on why leases for the length of the MCLT are being handed out
> on a supposedly healthy pair of servers?
>
>
>
> Oscar
>
>
>
>
>
>
> Primary:
>
>
> default-lease-time 604800;
> max-lease-time 604800;
>
> #! failover definition
> failover peer "dhcpfailover" {
> primary;
> address 172.20.97.213;
> port 520;
> peer address 172.21.197.52;
> peer port 520;
> max-response-delay 60;
> max-unacked-updates 10;
> mclt 900;
> split 255;
> load balance max seconds 5;
> }
>
>
> include "/dhcpd/dhcpd.master";
>
>
>
>
> Secondary:
>
> #! failover definition
> failover peer "dhcpfailover" {
> secondary;
> address 172.21.197.52;
> port 520;
> peer address 172.20.97.213;
> peer port 520;
> max-response-delay 60;
> max-unacked-updates 10;
> load balance max seconds 5;
> }
>
> include "/dhcpd/dhcpd.master";
>
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