What you said is exactly correct. By using a radius server you can do a sort of transparent authentication, but that only stops people coming from the wireless to the wired network. The WLAN is still unprotected. The only way to truly secure a wireless lan is to treat it as unsecure and use a VPN.
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What you said is exactly correct. By using a radius server you can do a sort of transparent authentication, but that only stops people coming from the wireless to the wired network. The WLAN is still unprotected. The only way to truly secure a wireless lan is to treat it as unsecure and use a VPN.