User's Manual

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SMCD3GN2 Wireless Cable Modem Gateway Administrator Manual

Table 20. WPA_Personal Options

Option Description

WPA Mode Lets administrators select the WPA mode they want to use. Choices are:

• WPA-PSK = select this setting if your access points and wireless clients support WPA-Pre-Shared

Key (PSK) Authentication.

• WPA2-PSK = select this setting if your access points and wireless clients support WPA2-PSK

Authentication.

• Auto (WPA-PSK or PWA2-PSK) = select this setting if your access points and wireless clients

support either WPA-PSK or WPA2-PSK. (default)

Cipher type Algorithm encryption to be used. Choices are:

• TKIP = automatic encryption with WPA-PSK; requires pre-shared key.

• AES = automatic encryption with WPA2-PSK; requires pre-shared key.

• TKIP and AES = uses both TKIP and AES cipher types; requires pre-shared key. (default)

Group Key Update Interval Number of seconds that instructs the Gateway how often it should change the encryption keys.

Usually the security level is higher if you set the period shorter to change encryption keys more often.

Default value is 3600 seconds (6 minutes). Type 0 to disable group key update interval.

Pre-shared Key Shared secret between the Gateway and access points and wireless clients. Please check whether a

default pre-shared key is required.

Pre-Authentication Enables secure fast roaming, without noticeable signal latency. By default, this option is disabled.

WPS Setup

Using the WPS Setup menu, you can enable or disable WPS. WPS is a standard for easy

and secure wireless network set up and connections.

The advantages of WPS are:

y WPS automatically configures the network name (SSID) and WPA security key for the

Gateway and for the access point and wireless devices that join the network.

y You do not need to know the network name and security keys or passphrases to use

WPS to join a wireless network.

y No one can guess your security keys or passphrase because they are generated

randomly.

y WPS uses the Extensible Authentication Protocol (EAP), which is a strong authentication

protocol used in WPA2.

The disadvantages of WPS are:

y Unless all the Wi-Fi devices on the network are WPS-compatible, you cannot take

advantage of the ease of securing the network.

y Not all wireless equipment supports WPS.