Chapter Objectives
After completing this chapter, you will be able to:
Determine the subnet prefix of an IPv4 address when expressed in prefix length or subnet mask notation.
Determine how many IPv4 host ID bits you need to create a particular number of subnets.
Subnet an IPv4 address prefix within an octet and across octet boundaries, enumerating the list of subnetted address prefixes and the ranges of valid IPv4 addresses for each subnetted address prefix.
Define variable length subnetting and how you can use it to create subnetted address prefixes that match the number of hosts on a particular subnet.
Subnet a global IPv6 address prefix, enumerating the list of subnetted address prefixes.