A comprehensive, CCNA-focused guide to IP Address Management — what IPAM is, the IPv4 address space and RFC 1918 you have to manage, subnetting and VLSM worked the way the exam expects, DHCP (the DORA process, Cisco IOS server and ip helper-address relay config), DNS record types, IPv6 addressing (global unicast, link-local, EUI-64, SLAAC vs DHCPv6), and how real IPAM is done with spreadsheets, phpIPAM, NetBox, and full DDI platforms like Infoblox. Built around the 200-301 IP Connectivity and IP Services domains, with real config and address plans.
Ipv6
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IP Address Management (IPAM): A CCNA-Focused Guide -
IPv6 Basics: Why We Need It, How It Differs from IPv4, and What It Unlocks IPv6 quietly crossed 50% of Google's traffic in early 2026. A from-scratch explanation of why the internet ran out of IPv4 addresses, how IPv6 actually differs beyond just being bigger, and the genuinely useful things a 128-bit address space makes possible.
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IPv6 Practical Guide: Addressing, Dual-Stack, and Running IPv6 in Your Homelab A hands-on guide to IPv6 — addressing schemes, SLAAC vs DHCPv6, dual-stack configuration, prefix delegation, firewalling, and running IPv6 end-to-end in a homelab or production network.