The old version of open ssl 0.9.8h referenced on the cert generation doc doesn't work (if you enter a password in the CSR process). http://www.cisco.com/c/en/us/support/docs/wireless/4400-series-wireless-lan-controllers/109597-csr-chained-certificate...

CA generated SHA2 certificates have been supported since WLC code 7.0.250. http://www.cisco.com/c/en/us/td/docs/wireless/controller/7-6/configuration-guide/b_cg76/b_cg76_chapter_010111.htmlThe ability for a WLC to generate a SHA2 Self Signed Certifi...

Some 5520 and 8540 controllers shipped from the factory without manufacturing installed certificates activated. The first symptom typically observed is the inability to access the controller via https. (Temporary workaround: enable http access.  CLI:...