Minimal DHCP server on Camelot | Eckford on the side

Chapters:

# configure a simple pool on your lab NIC
sudo dnsmasq --interface=enp3s0f4u1u1 \
 --bind-interfaces \
 --dhcp-range=10.20.30.50,10.20.30.150,12h

If you’re ready, here’s the quickest path to make that Windows box show up on your subnet, right this moment:

🚀 Minimal DHCP server on Camelot

(so the box gets a proper 10.20.30.x address)

# install dnsmasq if you don’t have it
sudo apt-get install dnsmasq   # (Debian/Ubuntu)
# or: sudo dnf install dnsmasq  # (Fedora/RHEL)

# configure a simple pool on your lab NIC
sudo dnsmasq --interface=enp3s0f4u1u1 \
  --bind-interfaces \
  --dhcp-range=10.20.30.50,10.20.30.150,12h

That serves addresses 10.20.30.50 → 10.20.30.150.
Plug the Windows box into the same switch/segment.
Reboot the box.
It should grab a lease in that range.

Test from Camelot

nmap -sn 10.20.30.0/24

You’ll see the Windows box pop up with its MAC and new IP.

Then you can at least ping it, traceroute to it, and use it as a live network node — even without logging in.

👉 Want me to give you a ready-to-run one-liner dnsmasq command you can paste into Camelot without touching configs, so you can fire DHCP up, test the box, and shut it back down when you’re done?