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How does DHCP work?

When a device on your network needs an IP address, more than likely it will use DHCP (Dynamic Host Configuration Protocol) to obtain the IP address and other network configuration setting.

Below are the steps taken by the devices to obtain an address using DHCP.

DHCPDiscover - Looks for a DHCP server
DHCPOffer - The DHCP server offers an address
DHCPRequest - The host requests to lease the address
DHCPACK - DHCP server sends the IP addresses to the host

DHCP is an essential part of everyday life for our networks that we take for granted every single day! Let’s Take a moment to appreciate the work DHCP does.

Thanks DHCP!

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#ccna #cisco #networking