Cisco Network Design Solutions for Small-Medium Businesses

Summary

This chapter looked at WLAN solution(s) from Cisco in the context of security, topology, performance, the generic WLAN components, the specifics of the Cisco Aironet wireless product line, and, finally, several generic WLAN deployment scenarios. Security and performance in WLANs have been significantly enhanced since the approval of the 802.11 standard in 1997. In addition, since then, IEEE revised the 802.11 standard and approved a number of supplemental standards (802.11a/b/g/i and others), expanding the choices in WLAN deployment. Physical layer considerations associated with the transmit power of a wireless device, the antenna characteristics (gain, direction), and the type of radio technology (2.4-GHz spread spectrum or 5-GHz OFDM) ...