duplicate ip address assigned

Alan Batie alan at peak.org
Sat Apr 24 17:46:25 UTC 2021

On 4/23/21 12:57 PM, Simon Hobson wrote:
> Alan Batie <alan at peak.org> wrote:

> Is part of the dynamic pool in the config ? I think it is because that's exactly what the warning in the log is telling you.
> What I think has happened is that you've configured the server to allocate to one device via a host statement with fixed-address, AND also allowed it to be dynamically allocated to another device via the dynamic allocation mechanism. The ISC server does **NOT** automatically fix this configuration error for you - but the above warning was added some years ago to alert people to the issue given that many were being caught out by it.

I tried making the pool smaller in case that was an issue and it 
complained about the static reservation not being in a subnet...

relevant excerpt from config:

subnet netmask {
   option routers;

   pool {

host StaticCustomer {
     hardware ethernet 00:11:22:33:44:55;

host DyanmicCustomer {
     # keeps stealing address
     hardware ethernet 66:66:66:66:66:66;

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