Understand the characteristics of various methods used for solving IP addressing problems, including:
Private IP addresses
VLSM
Route summarization
CIDR (supernetting)
IP version 6
Know what ip subnet-zero is and the fact that it is enabled by default in configurations of Cisco IOS 12.0 and beyond.
Know the advantages of VLSM and the process for calculating VLSM addressing.
Know the advantages of route summarization and the methods for summarizing within an octet.
Understand how CIDR (supernetting) works and why it is implemented. Know the reasons for using IP unnumbered and IP helper addressing and how to configure them.
