Can i get any reference documents or link to implement Two factor authentication for Palo alto VPN users using ISE ?

Can we use the ISE default self-sign certificate for certificate-based authentication in ISE? as I m doing the POCPlanning to export ISE default self sing certificate and import to endpoint trusted root certificate store via MMC for certificate-based...

we have 9800 WLC.one of our MacBook laptop (version 10.5) getting a disconnection issue for SSID.as we check the radio trace we didn't find error/disconnection logs.was found some ARP logs. these logs are coming so many times.Attached the screen shot...

 endpoint : Macbook (version 11 and above)SSID security : PSK+WPA2channel width : 40mhz band: 5ghzissue reported :1. while roaming user face latency Observation on Dashboard:1. channel utilization goes high (above 55% )2. latency shown in user perfor...