hi everyone, I am new to wireless network and just have a few question about WLC and IPS:
1. I saw WLC 4400 have IPS function, and configuration guide of how to configure IPS in the WLC, my question is: this IPS function, also need to download IPS signature from cisco website? if yes, is it free for ever? or any other product/suscription need to pay?
2.I also found there is a configuration example about how to integrate WLC with IPS system to protect network, my question is: since WLC itself has IPS fuction, why it still need to be integrated with IPS?
3.If our network only has IPS without WLC, Can I use IPS to prevent rogue AP, say, some staff bring their own wireless router in the office to turn on the wireless access?
thanks in advance, I will rank your answer.