Switch from Single DHCP to Master-Slave DHCP setup

Steven Carr sjcarr at gmail.com
Tue Jul 30 16:34:28 UTC 2013

On 30 July 2013 16:52, Gregory Sloop <gregs at sloop.net> wrote:

> You say above, you'd put the *primary* in partner down???
> Do you mean secondary?
> Then rebuild and bring up the secondary again. And once the secondary
> comes up out of PD state it will re-sync...
> Or perhaps you really *do* mean the *primary* - I'm not sure.

By primary I mean the server which will be left online. The way "partner
down" works is that you tell the server which is online that their partner
is down and so therefore it is now allowed to consume all of the remaining
IP addresses.

All you need to do on the box which is dead/being rebuilt is make sure
DHCPD isn't running, or at least isn't running with any DHCP failover
configuration configured.

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