DHCP Server Simulator

Browser simulation only: models DHCP behavior for training. It does not run a real DHCP daemon or assign addresses to your computer/network. Configuration and leases are saved in this browser.

Server and scope

● Stopped Scope disabled

Scope name

Network address

Subnet mask

Default gateway

DNS servers (comma-separated)

Lease duration (minutes)

Pool start IP

Pool end IP

Excluded IPs/ranges (one per line, e.g. 192.168.10.120-192.168.10.130)

Active leases0

Available pool IPs101

Reservations0

MAC / IP reservations

MAC	IP

Simulate a DHCP client

Discover → Offer → Request → Acknowledge

[ready] Configure a scope, enable it, and start the server.

DHCP leases

IP address	Client MAC	Expiry	State

DHCP training tool · Data is stored locally in this browser.