How to remove 'router' option within a dhcpd group block
Sten Carlsen
stenc at s-carlsen.dk
Thu Jun 30 14:29:58 UTC 2022
> On 30 Jun 2022, at 15.16, Adam Nielsen <a.nielsen at shikadi.net> wrote:
>
> Hi all,
>
> Does anyone know if there is a way to remove a router in a group block
> that was set in a subnet block, in the dhcpd config file?
I put the router option in each pool, probably it will also work in groups.
This works for me.
>
> subnet 192.168.0.0 netmask 255.255.255.0 {
> option routers 1.2.3.4;
> }
>
> group {
> # Don't supply a router at all.
> option routers 0.0.0.0;
>
> host ...
> }
>
> Specifying 0.0.0.0 doesn't work, dhcpd still hands out 1.2.3.4 from the
> subnet section.
>
> Is there a way to tell it to drop that option completely within the
> group section?
>
> My reason for asking is that I have some devices that like to phone
> home, and while I can block them at the router it would be nice not to
> even have them try to connect to the router at all.
>
> Many thanks,
> Adam.
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