(This document introduces the basic security Cisco Wireless Office Solutions Advanced Security IP Communication System Guide Advanced Security Enhanced Wireless Type: Usage Scenario: Users who require extensive wireless access while ensuring advanced security. High-end security enhanced wireless type will be the best choice function: this type uses the firewall of the ASA55 series to access the external network, and the 891C router with security function is used as the routing device of the internal network, and at the same time, wireless access is realized on the router. . 2918 is used for access in the access part, thus satisfying the needs of wired users. Relying on the secure access feature of 2918, the access security of intranet users is ensured. Basic Security Enhanced Wireless At the same time APAIR-AP1131G provides a wide range of wireless access.)