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68 6218-I2 Wireless Router User’s Guide 6218-A2-ZB23-10
about the RADIUS server such as its IP address, port and key must be
entered. WEP encryption is also enabled and the encryption strength must
also be selected.
z WPA (Wi-Fi Protected Access) – Usually used for the larger enterprise
environment, it uses a RADIUS server and TKIP (Temporal Key Integrity
Protocol) encryption (instead of WEP encryption, which is disabled).
TKIP uses 128-bit dynamic session keys (per user, per session, and per
packet keys).
z WPA-PSK (Wi-Fi Protected Access - Pre-Shared Key) – WPA for home
and SOHO environments using the same strong TKIP encryption,
per-packet key construction, and key management that WPA provides in
the enterprise environment. The main difference is that the password is
entered manually. A Group Re-Key Interval time is also required.
z WPA2 (Wi-Fi Protected Access 2) – Second generation of WPA, which
uses AES (Advanced Encryption Standard) instead of TKIP as its
encryption method. Network Re-Auth Interval is the time in which
another key needs to be dynamically issued.
z WPA2-PSK (Wi-Fi Protected Access 2 - Pre-Shared Key) – Suitable for
home and SOHO environments, WPA2-PSK uses AES encryption and
requires you to enter a password and a re-key interval time.
z Mixed WPA2 / WPA – During transitional times for upgrades in the
enterprise environment, this mixed authentication method allows
upgraded users and users not yet upgraded to access the network via the
router. RADIUS server information must be entered for WPA as well as a
group re-key interval time. Both TKIP and AES are used.
z Mixed WPA2 / WPA-PSK – Useful during transitional times for upgrades
in the home or SOHO environment, a pre-shared key must be entered
along with the group re-key interval time. Both TKIP and AES are also
used.
Figure 69: Wireless – Security