Thanks for all your replies. So in a setup with a clearpass cluster with two devices, one publisher and one suscriber, if I've understood well, I'd do this to balance load between them:
- RADIUS: configure NAS to share the requests between them or put a load balancer between NAS and clearpass to balance requests.
- Captive portals: configured DNS to balance DNS requests between both clearpass or put a load balancer in front of clearpass to balance requests.
Are my assumptions right?
My doubt is what happens inside my clearpass cluster (1 publisher + 1 suscriber) when access captive portals through virtual IP cluster address.
1. Are all the requests answered by the master?
2. If all the requests are answered by only one clearpass, what should I do to avoid exceeding clearpass' resources capacity?
3. Are all the requests balanced internally?
4. Do both clearpass reply to captive portal requests at the same time?
Sorry for all these questions but I want to be sure of how clearpass works.
Thanks in advance.