if possbile to make dhcp server active/backup module

Peter Rathlev peter at rathlev.dk
Wed Aug 20 05:44:58 UTC 2014

On Mon, 2014-08-18 at 07:35 +0000, A.L.M.Buxey at lboro.ac.uk wrote:
> On Mon, 2014-08-18 at 13:24 +1000, Julie Xu wrote:
> >    if there is any possibility that I make on dhcp server as active one nad
> >    one as backup, only active when current server offline?
> https://kb.isc.org/article/AA-00502/0/A-Basic-Guide-to-Configuring-DHCP-Failover.html
> use the split value - 128 is 50/50 , 255 on master and 0 on secondary would make
> master the one used unless its not around

Keep in mind that the two servers will always take roughly 50% of the
free addresses each, no matter what "split" is set to. With a split of
255 there will be a lot of balancing between primary and secondary.


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