Siemens EF 711 Series Betriebsanweisung PDF herunterladen (Seite 308)

Configuring a VNS

Creating a VNS Using the Wizard

SCALANCE WLC711

7-68 C79000-G8976-C260-03, 07/2012, User Guide, V8.11

WPA-PSK Select to use a Pre-Shared Key (PSK), or shared secret for

authentication. WPA-PSK (Wi-Fi Protected Access Pre-Shared

key) is a security solution that adds authentication to enhanced

WEP encryption and key management. WPA-PSK mode does not

require an authentication server. It is suitable for home or small

office.

To enable WPA v1 encryption, select WPA v.1. In the Encryption

drop-down list, select one of the following encryption types:

Auto — The Wireless AP will advertise both TKIP and CCMP

(Counter Mode with Cipher Block Chaining Message

Authentication Code Protocol) for WPAv1. CCMP is an IEEE

802.11i encryption protocol that uses the encryption cipher AES

(Advanced Encryption Standard).

TKIP only — The AP will advertise TKIP as an available

encryption protocol for WPAv1. It will not advertise CCMP.

To enable WPA v2 encryption, select WPA v.2. In the Encryption

drop-down list, click one of the following encryption types:

Auto — The AP advertises both TKIP and CCMP (counter mode

with cipher block chaining message authentication code protocol).

CCMP is an IEEE 802.11i encryption protocol that uses the

encryption cipher AES (Advanced Encryption Standard).

AES only — The AP advertises CCMP as an available encryption

protocol. It will not advertise TKIP.

To enable re-keying after a time interval, select Broadcast re-key

interval. If this checkbox is not selected, the Broadcast encryption

key is never changed and the Wireless AP will always use the

same broadcast key for Broadcast/Multicast transmissions. This

will reduce the level of security for wireless communications.

In the Broadcast re-key interval box, type the time interval after

which the broadcast encryption key is changed automatically.

To enable the group key power save retry, select Group Key

Power Save Retry.

Note:

The group key power save retry is supported only for W78xC

Wireless APs.

In the Pre-shared key box, type the shared secret key to be used

between the wireless device and Wireless AP. The shared secret

key is used to generate the 256-bit key.

Mask/Unmask — Click to display or hide your shared secret key.

Table 7-22 Guest Portal Privacy Page - Fields and Buttons (continued)

Field/Button Description

1 2 ... 303 304 305 306 307 308 309 310 311 312 313 ... 491 492

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