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Contributor I

RADIUS Load Balancing for 802.1x

This question involves Aruba 2540 switches (and 5400 modules).

 

We use 802.1x on our access network and have 2 radius servers configured on the switches.

 

When I look at the statistics however I see that only one of the two radius servers is being queried while the other gets maybe 0.1% of the traffic

 

I have tried to find some type of load balancing configuration directive without success, so what am I missing here?

 

The 2540s are currently running 16.02 or 16.05 firmwares (ArubaOS-switch), we do plan to upgrade them all to 16.10 in the not-too-distant-future.


Accepted Solutions
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Frequent Contributor I

Re: RADIUS Load Balancing for 802.1x

Hi,

 

there is no loadbalancing on AOS-S.

 

First entry in your Config will be used.

After this first server is "dead" (after a time you able to set in your config)

second will be used.

 

If you want to loadbalance, yo have to play arround with the order of the RADIUS Server entries in your switches.

 

Or you need a real loadbalancer...but thats much effort.

 

Regards

#ACMP #ACSP # ACCP

View solution in original post


All Replies
Highlighted
Frequent Contributor I

Re: RADIUS Load Balancing for 802.1x

Hi,

 

there is no loadbalancing on AOS-S.

 

First entry in your Config will be used.

After this first server is "dead" (after a time you able to set in your config)

second will be used.

 

If you want to loadbalance, yo have to play arround with the order of the RADIUS Server entries in your switches.

 

Or you need a real loadbalancer...but thats much effort.

 

Regards

#ACMP #ACSP # ACCP

View solution in original post

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MVP Expert

Re: RADIUS Load Balancing for 802.1x

The switch doesn’t have load balance capabilities , you will need a load balancer .

Sent from Mail for Windows 10
Thank you

Victor Fabian
Lead Mobility Architect @WEI
AMFX | ACMX | ACDX | ACCX | CWAP | CWDP | CWNA
Highlighted
Contributor I

Re: RADIUS Load Balancing for 802.1x

Thanks for the replies!

 

Does this also apply to ArubaOS on the wireless controller?

There there is a profile to mark you want load balancing but according to the actual logs of our servers the majority of traffic is still going to the first server.

 

(7030 controller, ArubaOS 8.6.0.1)

Highlighted
MVP Expert

Re: RADIUS Load Balancing for 802.1x

https://www.arubanetworks.com/techdocs/ArubaOS_86_Web_Help/Content/arubaos-solutions/auth-servers/auth-serv-load-bala.htm?Highlight=Aaa%20load%20balance



Thank you

Victor Fabian

Pardon typos sent from Mobile
Thank you

Victor Fabian
Lead Mobility Architect @WEI
AMFX | ACMX | ACDX | ACCX | CWAP | CWDP | CWNA
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