Live migrating DHCP
This is a story of how I did this, this is not a how-to guide you can copy blindly. I was in a situation where a local network was setup to use 192.168.0.0/24 as its local network sub-net. For a few organisational reasons I wanted to move this to 10.10.0.0/16. The extra fun was there were machines in this network that were not trivial to stop. Plan The basic plan is: ...