User Manual

Chapter 5 Configuring network security 49
Installing and Using the Nortel Networks Wireless LAN Mobile Adapter 2202
Preliminary Draft - Nortel Networks Confidential
3 After successful authentication, the client and RADIUS server derive a
dynamic WEP key that is unique to the client.
4 The RADIUS server transmits the key to the AP using a secure channel on the
wired LAN.
5 For the length of the session, the AP and the client use this key to encrypt or
decrypt all unicast and broadcast packets.
EAP security
To use EAP security, access the Security tab in the Profile Management window
of the Mobile Adapter 2202 Utility and perform the following steps:
1 In the Profile Management window, click on New or Modify to edit the
security settings.
2 Select a profile to edit, or enter a name for the new profile in the Profile
Management window, and enter the SSID of the AP to which the station
connects.
3 On the Security tab, select the WPA radio button or the 802.1x radio button
depending on what type of EAP security you want to configure.
4 Select EAP-TLS or EAP-TTLS from either the WPA EAP Type or 802.1x
EAP Type drop-down menu as appropriate, depending on what you selected
in step 3.
5 Do one of the following:
• To enable EAP-TLS security, go to “Enabling EAP-TLS security.”
• To enable EAP-TTLS security, go to “Enabling EAP-TTLS security.”
Enabling EAP-TLS security
To use EAP-TLS security, the machine first must have the EAP-TLS certificates
downloaded on to it. See your network administrator.
To enable EAP-TLS security: