Cisco WS-CE500-24TT Administration Guide - Page 93
WPA + WPA2, Encryption, Authentication, WPA Password, Enable Pre-Authentication, AP Isolation
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Wireless Configuration for the SA520W Configuring an Access Point 3 TKIP+CCMP encryption (default is TKIP) and PSK/RADIUS authentication. This option is a good choice if you need to allow access to devices that do not support WPA2. - WPA2: WPA2 provides the best security for wireless transmissions. This method implements the security standards specified in the final version of 802.11i. WPA2 supports CCMP or CCMP+TKIP encryption (default is CCMP) and PSK/RADIUS authentication. WPA2 is recommended, although some devices may not support this security mode. To protect your information as it is transmitted over the airwaves, you should enable the highest level of encryption supported by your network equipment. - WPA + WPA2: This mode allows both WPA and WPA2 clients to connect simultaneously. This option is a good choice to enable a higher level of security while allowing access by devices that might not support WPA2. • Encryption: Select the encryption method to be used. For WPA, the choices are TKIP or TKIP+CCMP. For WPA, the choices are CCMP or CCMP+TKIP. CCMP is stronger than TKIP and is recommended. However, some wireless devices may support only TKIP. • Authentication: For WPA/WPA2, select the WPA/WPA2 authentication method to be used: RADIUS, PSK, or PSK + RADIUS. • WPA Password: For PSK authentication, enter a pre-shared key. The key can include up to 64 ASCII characters. The clients also need to be configured with the same password. • Enable Pre-Authentication: If you chose RADIUS as the Authentication method, you can check this box to enable Pre-Authentication for this profile. • AP Isolation: Check this box to create a separate virtual network for the clients that use this profile. When this feature is enabled, each client is in its own virtual network and will not be able to communicate with other clients. STEP 4 If you chose WEP as the Security Type, enter the following information in the WEP Index and Keys area: • Authentication: Select either Open System or Shared Key scheme. Shared key is recommended. • Encryption: Select the encryption type - 64 WEP or 128 WEP. The larger size keys provide stronger encryption, thus making the key more difficult to crack (i.e. 64 WEP has a 40-bit key which is less secure than the 128 WEP which has a 104-bit key). Cisco SA500 Series Security Appliances Administration Guide 93