Hans-Werner Kneitinger wrote:

> I commentet out the option 121 line.
> Restarteing dhcpcd on RPi4 --- strange - default gw apeaes in the
> rouing table.
>
> Activated the option 121 again -> no default GW anymore.

You said earlier that you have option 3, have you tried not having
option 3, but putting your default aroute as 0.0.0.0/0.0.0.0 within the
option 121?

--- SoupGate-Win32 v1.05