DHCP

DHCP automatically assigns IP configuration to clients (IP, gateway, DNS).

Updated: 2026-03-05

Definition

Dynamic Host Configuration Protocol (DHCP) leases IP addresses and other network settings to clients.

It simplifies network administration and avoids manual IP configuration.

Key points

Leases addresses from a pool
Provides gateway, DNS, mask, and more
DHCP failures often cause no connectivity

Common mistakes

Pool too small causing address exhaustion.
Rogue DHCP servers handing out wrong settings.

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