Dhcpd
Detect Rogue DHCP Server with Wireshark [Step-by-Step]
Step by step instructions to detect rogue dhcp server in the network using wireshark. Introducing a rogue DHCP server to the network can block the clients from …
Solved: DHCPDISCOVER fails with 'no free leases' in Linux
You can fix the no free leases error from DHCPDISCOVER by either add more IP address to the range or by cleaning up the lease files for unused entries