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How to Configure Access point 801AP (881W router) for both N and G support?
How to configure both G & N support on 801AP (881W router) running IOS 12.4(21a)JY?
Please note that 802.11n supports WPA2 AES, PSK or NO authentication.
Q. How to enable N configuration?
A. 802.11n requires AES cryptography be performed on all encrypted links. This means that you can get away with an open WLAN, but if you flip on Layer 2 crypto functions, you need to have Wi-Fi Protected Access 2 AES-enabled (with either Pre-Shared Key or back-end authentication, authorization, and accounting) or that WLAN won't work at all for 11n rates. You can go for a mix of crypto types (WPA with Temporal Key Integrity Protocol or AES and WPA2 with TKIP), just as long as you have WPA2 with AES-enabled.
Q. Assume all WiFi clients support N and If we current configuration is set for a/b/g. Do we need to change anything on my WiFi client configurations?