FortiGate
FortiGate Next Generation Firewall utilizes purpose-built security processors and threat intelligence security services from FortiGuard labs to deliver top-rated protection and high performance, including encrypted traffic.
SAJUDIYA
Staff
Staff
Article Id 252045
Description

This article describes that a few users cannot connect to wifi and get error 'Can’t connect to network' and explains why.

 

cant_connect_to_this_network.png

Scope FortiGate 6.4.x,7.0.x,7.2.x.
Solution

1) Confirm log for wifi and FortiAP logs, it shows that:

 

Description: Wireless client RADIUS authentication failure.

Action: ActionRADIUS-auth-failureReasonReserved 0.

 

2) Run wifi debug logs:

 

# diagnose wireless-controller wlac sta_filter <MAC> 2

# diag debug console timestamp e

# diag debug application cw_acd 0x7f

# diag debug enable

 

3) Confirm if the below output from the debug is visible:

 

v2023-01-12 13:56:05 53365.510 04:ea:56:xx:xx:xx <eh> recv IEEE 802.1X ver=1 type=0 (EAP_PACKET) data len=37

2023-01-12 13:56:05 53365.510 04:ea:56:xx:xx:xx <eh> RADIUS message (type=0) ==> RADIUS Server code=1 (Access-Request) id=17 len=349

2023-01-12 13:56:05 53365.516 04:ea:56:xx:xx:xx <eh> RADIUS message (type=0) <== RADIUS Server code=3 (Access-Reject) id=17 len=44

 

If the above logs are visible, it shows that Access-reject from radius server then the issue with the Radius server and not the FortiGate.

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