DNS Configuration

To configure DNS for secure wireless networking, it's recommended that you integrate DNS with Active Directory to support secure dynamic updates. This is a recommended configuration for wired and wireless networks. In DNS, you should identify the DNS zones in which wireless computers will register DNS address records. If you're not using Active Directory-Integrated zones, then you should ensure that DNS zones are configured for dynamic updates, since wireless computers' DNS settings might change more often than computers connected via the wired LAN. As discussed in the DHCP section, if you set your IP lease time to a lower value, your DNS records might change more often. Using secure dynamic updates provides the most secure configuration and reduces administrative overhead.

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