Cisco: The VPN connection failed due to unsuccessful domain name resolution - Troubleshoot and Fix

Cisco AnyConnect VPN client (application) display this catch it all error message when the device cannot "see" the VPN tunnel. The error, the VPN connection failed due to unsuccessful domain name resolution, can also be caused by technical issues on the client machine. In this tutorial, I demonstrate few of the troubleshooting techniques that I use resolve this error.

This is not an exhaustive list of methods. A skilled IT Analyst should be using analytical skills to eliminate possible issues by testing variety of VPN connection aspects.

For more comprehensive look at CCNA courses, please refer to the following playlists:
-CCNA1 Introduction to Networks: https://www.youtube.com/playlist?list=PLLJXhnhyaJU8-A1IVTCujpEypHBpWPTdB
-CCNA2 Switching, Routing, and Wireless Essentials: https://youtube.com/playlist?list=PLLJXhnhyaJU-TenJ7hN5GHuhDUP1Q1a6w
-CCNA3 Enterprise Networking, Security, and Automation: https://youtube.com/playlist?list=PLLJXhnhyaJU9GSJTd61XBZV7XrRn4qBWR

Chapters:
00:00 - Introduction
01:38 - Backgrounder
03:41 - Client DNS and IP
07:45 - Switch Internet connection
11:35 - Change network settings

Track: WhileART Sessions Episode 02 | Waramathi (වරමාතී) Fusion
Watch: https://youtu.be/8gexRRFfbpQ

https://sanuja.com

Co-producer:
Manuja Senanayake

#ccna #cisco #CiscoAnyConnect #VPN #domainnames

Видео Cisco: The VPN connection failed due to unsuccessful domain name resolution - Troubleshoot and Fix канала NetITGeeks