Mastering Windows Server 2019 - Second Edition

Understanding IPv6 IP addresses

When we set up IPv4 networks, subnetting is extremely important because it is what enables us to have more than one collection of IP addresses within the same network. In the most basic form of networking, where you set up some IP addresses and run a /24 subnet (a subnet mask of 255.255.255.0)—which is very common on small networks such as inside a house or small business office—you are limited to 254 unique IP addresses. Ouch! Some companies have thousands of different servers, without accounting for all of their client computers and devices that also need to connect to the network. Thankfully, we can build out many different subnets within a single IPv4 network in order to increase our usable IP address scope, ...