I will have to upgrade a CUCM cluster (CUCM, Unity Connection (2.0) CUPS (6.0) and CCX 5.0 to verison CUCM 8.5(1), Unity Connection 8.5(1) and CCX  8.5(1)the customer had purchased CUWL in the past but in this moment he is not covered AT ALL for any ...

Can I create WLC redundancy between 2 types of controller running the same software version ? For example WLC5508 and a WLC2106We should presume that we are running the lates Sw version 6.x.If the Primary WLC fails (the AP will have a statical config...