Sure. Thank you. Hopefully that fixes the issue.

@bigevilbeard Yes. My VPN connect okay and i try it after i am connected to cisco VPN and i use "https://10.10.20.85/".But it doesn't connect to the "Cisco Catalyst-Center Controller:"Then i tried to ping this IP10.10.20.85 while connected to cisco V...

Please check the below link https://www.youtube.com/watch?v=KWuiqX4TNTA  

Thanks