Re: DHCP server that itself gets an IP address by DHCP

[Greg Wooledge <wooledg@eeg.ccf.org>]

On Thu, Aug 24, 2017 at 10:21:04PM +0200, Pascal Hambourg wrote:
> Le 24/08/2017 à 11:30, Reco a écrit :
> > 
> > Somewhat hackish, but straightforward way to achieve this is to redirect
> > DNS requests from your LAN to correct DNS. Something like this should do
> > the trick:
> 
> Not so straightforward because you still need to get the ISP's DNS and
> update the iptables rules whenever the DNS change.

I strongly recommend just running your own caching DNS resolver on the
DHCP server host.  ISP nameservers are often slow and unreliable.