RADIUS Server failover not working via Authentication Profile
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RADIUS Server failover not working via Authentication Profile

L2 Linker

I have two servers listed in my RADIUS Server Profile.

If I shutdown RADIUS on the server that is first in the list I do not see my firewall attempt authentication to the second server.  Authentication fails.

If I completely shutdown the first server in the list I do not see any attempts to authenticate to the second server.  Authentication fails.

I have swapped IPs and have authenticated to the second server, so confirmed routing/password/port to second server is correct.

Checking logs I never see authentication going to the second RADIUS server, so having two servers in the RADIUS Server Profile seems to have absolutly no effect.

 

Anyone test this before and got it working?

 

Note: I do have a support ticket open, going as well as searching through knowledge base articles on RADIUS... (I already did that myself).

12 REPLIES 12

So after 25 seconds does the second RADIUS server get queried?

Yes, it does. The only negative byproduct of this solution is that if both RADIUS servers are available and the user doesn't enter their 2FA within the first 25 seconds, they will receive another 2FA when the 2nd RADIUS server is queried.

 

But otherwise, if RADIUS server 1 is down, after 25 seconds RADIUS server 2 is queried and the user is able to log in.

Thanks for sharing the solution. I was testing RADIUS failover and it worked after changing the timeout and retries.

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