Installation guide

Network Setup 4-61
9. Refer to the Status field for the current state of the requests made from applet. This field displays error
messages if something goes wrong in the transaction between the applet and the switch.
10.Click OK to use the changes to the running configuration and close the dialog.
11.Click Cancel to close the dialog without committing updates to the running configuration.
4.5.2 Viewing WLAN Statistics
The Statistics screen displays read-only statistics for each WLAN. Use this information to assess if
configuration changes are required to improve network performance. If a more detailed set of WLAN
statistics is required, select a WLAN from the table and click the Details button.
To view WLAN configuration details:
1. Select Network > Wireless LANs from the main menu tree.
2. Click the Statistics tab.
Opportunistic Key
Caching
Opportunistic Key Caching allows the switch to use a PMK derived with a
client on one Access Port with the same client when it roams over to another
Access Port. Upon roaming, the client does not have to conduct 802.1x
authentication and can start sending/receiving data sooner.
Pre-Authentication Selecting the Pre-Authentication option enables an associated MU to carry out
an 802.1x authentication with another switch (or device) before it roams to it. This
enables the roaming client to send and receive data sooner by not having to
conduct an 802.1x authentication after roaming. This is only supported when
802.1x EAP authentication is enabled.