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What is a DHCP client ID?

A:

Quick Answer

A DHCP client ID is an optional parameter a device can use to identify itself on a network. While some routers and other networking equipment retrieve and store this information, most rely on media access control, or MAC, addresses.

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Full Answer

While DHCP client IDs are rarely required, they can make managing a network simpler by identifying individual computers in a human-readable format. Network administrators don't have to look up individual MAC addresses.

In contrast to older networking technology, DHCP makes connecting to a network simpler. The client computer doesn't have to request a particular IP address; instead, the DHCP server provides one. For publicly accessible networks, this flexibility allows for quick connections.

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