Users Guide

965| Voice and Video Dell Networking W-Series ArubaOS 6.5.x| User Guide
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UCC Score and MOS values are not available for Wi-Fi Calling calls.
7. Execute the show datapath session table command on the managed node to ensure that media
classification flags (I & E) are set for IPsec session destined to the ePDG IP address.
8. When a Wi-Fi Calling call is identified, the I and E flags are removed from the IPsec session and appropriate
ToS and 802.1p values are set for this session, along with other flags like V, H, P, T.
9. When the call ends, ToS and 802.1p values are removed for the IPsec session along with the V, H, P, T flags,
and I and E flags are set. For a list of flags, execute the show datapath session table command.
Wi-Fi Calling Limitations
The following are the list of limitations in Wi-Fi Calling.
l UCC Score and MOS values are not available.
l Client Health vs Call Quality metrics are not available.
l Wi-Fi Calling does not work in split and bridge-tunnel forwarding mode.
l After clients failover from one controller to another, subsequent calls may not get prioritized.
Enabling WPA Fast Handover
In the 802.1X Authentication profile, the WPA fast handover feature allows certain WPA clients to use a pre-
authorized PMK, significantly reducing handover interruption. Check with the manufacturer of your handset to
see if this feature is supported. This feature is disabled by default.
This feature supports WPA clients, while opportunistic key caching (also configured in the 802.1X Authentication
profile) supports WPA2 clients.
In the WebUI
1. Navigate to the Configuration > AP Configuration page. Select either AP Group or AP Specific.
l If you select AP Group, click Edit for the AP group name for which you want to enable WPA fast
handover.
l If you select AP Specific, select the name of the AP for which you want to enable WPA fast handover.
2. Under Profiles, select Wireless LAN, then Virtual AP. In the Virtual AP list, select the appropriate virtual
AP instance.
3. Select AAA profile. Select the 802.1X Authentication Profile to display in the Profile Details section.
4. Scroll down to select the WPA-Fast-Handover check box.
5. Click Apply.
In the CLI
Use the following commands:
aaa authentication dot1x <profile>
wpa-fast-handover
For deployments where there are expected to be considerable delays between the controller and APs (for
example, in a remote location where an AP is not in range of another Dell AP) you can increase the value for the