This chapter covers concepts on the infrastructure application side that are crucial for successfully implementing an end-to-end enterprise wireless LAN (WLAN) solution. More detailed information about the topics covered in this chapter can be found in the URLs that are provided at the end of each topic.
The Domain Name System (DNS) is a distributed database in which you can map host names to IP addresses through the DNS protocol from a DNS server. Each unique IP address can have an associated host name. The most relevant DNS-related IOS commands can be found in Example 3-1.