[systemd-devel] Need help with DHCPv4 client

[Cristian Rodríguez]

On Tue, Feb 18, 2025 at 10:02 PM Thomas Köller <thomas at krokinole.de> wrote:
>
> My host is on a dynamic IP address (IPv4 only), which it receives via
> DHCP from my provider. So far, I have been using ISC dhclient for this,
> the network interface being marked as unmanaged in its .network file.
> But since dhclient isn't maintained any more, I am exploring ways to
> replace it with systemd's DHCP client.
>
> While address updates using systemd's DHCP client seem to work just
> fine, there is a problem, however. Whenever the host's IP address
> changes, some reconfiguration has to be done: running services listening
> on sockets opened before the address change have to be restarted or at
> least notified,

Isn't setting ip_nonlocal_bind enough ?