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Cannot Connect to the Wireless Network When Using 802.1x (WPA-EAP) for Authentication
03/26/2020 
17 People found this article helpful
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Description
When using WPA-EAP, WPA-EAP2 or WPA-AUTO-EAP for authentication, SonicWall Wireless or SonicPoint is required to set Radius Server for Wifi client authentication. During the configuration process, you may encounter some issues. This article aims to show you how to do the troubleshooting when you cannot connect to the wireless network by 802.1x.
NOTE: In this scenario, 192.168.136.168 as Radius Client has been added on the Radius server 192.168.136.66.
Resolution
1. Check Radius Server Settings
Normally, Radius Server is configured in Wireless or SonicPoint page.
 | How to configure Radius Server on SonicPoint.: Click SonicPoint | SonicPoints | Click Edit button at SonicPointNs area | Click Radio Basic | Select WPA-EAP, WPA2-EAP or WPA-AUTO-EAP | Click Configure button at Radius Server Settings area.  However, when doing troubleshooting, navigate to Users | Settings page. You can use Radius testing tool here. 1) Click Configure Radius button | Click tab Settings | Input the IP Address, Shared Secret and Port Number of your Radius Server
2) Click tab Test | Input User name , Password and Authentication type | Click Test button.
When the testing is OK from DMZ interface 192.168.236.168 to the Radius server but you still cannot connect to the wireless network, please check whether there is any necessary NAT policy or Access Rule you need add.
If there is no NAT policy, you may receive error on the NPS server as below picture. When capture the Radius packet , the Source IP is 10.10.10.1.
3. Check Wifi client Settings
When everything above configured correctly, you can connect your WIFI client to the network successfully by 802.1x protocol.
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