DHCP in Nexus Switches: A Comprehensive Guide with LAB Demo

In the dynamic world of networking, the Dynamic Host Configuration Protocol (DHCP) plays a vital role in the automatic assignment of IP addresses to devices on a network. This eliminates the need for manual configuration, saving time and reducing the possibility of error.

In this comprehensive video guide, I explained the DHCP operations, paying particular attention to its implementation on Nexus switches. I delve into the workings of the DHCP relay agent and conclude with a hands-on demonstration of configuration and verification in a lab setting.


To summarize:

  • DHCP is an open standard protocol defined in RFC 2131 & RFC 2132.
  • DHCP uses UDP ports 67 (DHCP server) and 68 (DHCP Client).
  • NX-OS supports a DHCP relay agent function and not a DHCP server feature.
  • A DHCP relay agent is a device that helps in relaying DHCP requests and replies between the DHCP client and the DHCP server when they are on different subnets.

I hope this article was useful; feel free to leave a comment or a question.

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