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Managing MW1122
E Copyright Nokia Networks Oy
C33902001SE_00
5-19
D Required; In this mode, it is mandatory to use shared-key
authentication. If open-key authentication is used, a failed
authentication will result. When a station uses shared-key
authentication, encryption is always used. Default keys are used if
no station-specific key exists. Broadcast and multicast data will be
encrypted using the default key.
D Required, Wifi; In this mode, a station may use either open-key or
shared-key authentication and in both cases encryption is always
used. Default keys are used if no station-specific keys exist.
Broadcast and multicast data will be encrypted using the the
default key.
D Required, specific keys; In this mode, a station must use
shared-key authentication and station-specific key. If the station
uses open-key authentication or station-specific key is not
available, a failed authentication will result. Successful
shared-key authentication results encryption using the
station-specific keys. Broadcast and multicast data will be
encrypted using the default key.
In most cases, it is acceptable to use default keys. Most modes also
allow concurrent use of station-specific and/or user-specific keys at
the same time. Wifi mode provides lower authentication support but it
supports all certified WLAN clients. Wifi mode is recommended if
other than Nokia wireless LAN cards are used.
Figures 5-5 and 5-6 show Wlan Clients page with default key and
station-specific keys used, respectively. In Figure 5-5, the station
“PC1” on the Client table uses the default key 1. Additonally, the
Client table is used as a MAC address -based access control list. In
Figure 5-6, stations “PC1” and “PC2” use the station-specific key
given in the WEP key field on the Client table. The MAC address
-based access list is not needed, but the default key is used to encrypt
the broadcast/multicast traffic.
Note
If you are using a station-specific key, you must also configure the
default key because it is used for broadcast.