ACI Contract on Specific port (443) no working unless we add default filter in the Contractattached the filter and the contract after adding Default Filter

we currently 6 AP connected to Cisco controller and every thing was working fine to client updated his iPhone to ios version14 the iPhone join successfully  the SSID but the WiFi icon dont appears on the screen and no available internet and opened a ...

after remote leaf discovery and creating upgrade group for the new discovered leafs the above error shown. Description:Fault delegate: A Fabric Node Group (fabricNodeGrp) configuration was not deployed on the fabric node 152 because: Node Not Registe...