DDNS and Failover

[Chris Buxton]

On May 2, 2013, at 11:19 PM, Peter Fraser <petros.fraser at gmail.com> wrote:

> I would like to understand how a scenario would play out if I have DDNS as well as DHCP Failover working. Let's say I have DHCP1/DNS1 and DHCP2/DNS2
> 
> DHCP1/DNS1 goes down. Users would then get IP addresses from DHCP2/DNS2
> How would the DNS records of DHCP2/DNS2 be updated? 
> 
> Could things be configured so that it DHCP1/DNS1 goes down, DHCP2/DNS2 would update its own DNS records and when DHCP1/DNS1 comes back online, it somehow gets the updates. I wondering if that's even possible. Is it?


Not possible using BIND. You would need a multi-master DNS server.

Chris