Hi all, we are using 8821 wireless phones and CUCM 12.x successfully together with EAP-TLS for a long time now.Now we have to replace our EAP-certificate which is now signed from a different root CA. How to already add the new (second) root CA to the...

Hi,   just a small question: We want to buy two Cisco 9400 7 Slot Chassis and build up a StackWise Virtual. Cisco recommends to put in one SUP-1XL supervisor module per Chassis.   If I am right, then when one modules fails, the whole chassis is down,...