To balance the load or not load balance? ISE and F5 Big IP

My team is currently negotiating to put our two devices of ISE (nodes PSN) behind our F5 load balancing deployment.

Our network is relatively small (5K users) with a small deployment wireless (Cisco 4 controllers with 300 access points). Growth of the network should remain relatively small in the years to come.

We will deploy Dot1X wired, followed by reclamation and the assessment of posture. (BYOD isn't an option).

On the one hand, the characteristics of Big IP could make it easier for us to perform load balancing, maintenance and troubleshooting.

On the other hand, the Big IP adds another layer of complexity in an already complex deployment. We already have the ability to balance the load of the switches themselves. Load balancing for the wireless should not be a problem that our deployment is very small and I expect to stay that way. Given the size of my environment, it seems to be relatively little to gain for the additional efforts and the potential pitfalls.

Someone at - it care to share their honest opinion on this issue?

Thank you

Phill

Load balancers are elegant and do their job well when it comes to distribute the load between servers. You already have a then I would use it if you have technical skills to set it up.

That being said, if your team is not 100% comfortable with F5 then you should certainly jump. Instead, you can configure your WLCs to use as a primary and secondary Radius Server node #2 node #1 , then your switches use Node #2 as primary and secondary node #1 .

I hope this helps!

Thank you for evaluating useful messages!

Tags: Cisco Security

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