Upgrading from 8 to 9 DHCPv6/4 worked fine but I decided to go for a fresh install of Proxmox 9 and the server would not boot after using DHCPv6/4. After logging in using a monitor I found out using the logs that dhclient is not installed by default and that is why there was no Internet connection. I installed it using
Is there any way to force ifupdown to work with dhcpcd?
apt install isc-dhcp-client
but since Debian 13 switched to dhcpcd I would rather use that. I installed dhclient first but it did not work while installing dhclient worked because ifupdown was looking for it.Is there any way to force ifupdown to work with dhcpcd?