In last few weeks Im transfered my setings from x86 system to Routerboard 450 .
I have userman with hotspot and PPPoE server on same interface , also with local Radius server, but every day I have this hotspot error :Radius server not responding .
Then I must try to login again , sometimes 3 or 4 time to get it work, after that it work normal.
My other user also complain me for same error. My ROS is last v3.28 .
Does any body have this errors?
Or maybe somebody know what causes this error?
I only have 20 users and CPU usage is enough for this (10-30 %).
Before on x86 system I dos not have this errors, also I have rules for QOS ... but again CPU is enough ... Help please !

try to increase radius timeout

Ok I was change timeout ... an I will see in next days Thanks!

also check that ur radius setting in routerOS and router settings in usermanager are correct. you must specify the same ip address and secret at both RouterOS and umsermanager.

Hm I was change from 300 ms to 50 ms ... and now again I have one time same error ...
My radius address is local ... 127.0.0.1 and also userman and and hotspot (and PPPoE sever) is all on same routerboard ... what address did you mean?

increase, not decrease! 1000ms, for example