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SEC0258 - FlexVPN L2L with dVTI and External PSK (Part 1)

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The video shows you how to configure Cisco FlexVPN with DVTI using local and external pre-shared key (PSK). We start by converting our previous DVTI setup from certificate authentication to PSK. We then shows you, for scalability and consistency purpose, that you can have DVTI headend router centrally fetch PSK from a RADIUS server.
Part 1 of this video covers DVTI configuration with PSK
  • DVTI with PSK
    • Local
    • Eternal (RADIUS)
  • FlexVPN Identity FQDN
  • ISE RADIUS Authentication
  • ISE RADIUS Authorization
  • RADIUS Tunnel-Password Attribute

About Author

Metha Cheiwanichakorn, CCIE#23585 (RS, Sec, SP), is a Cisco networking enthusiast with years of experience in the industry. He is currently working as a consulting engineer for a Cisco partner. As a founder of and an instructor at, Metha enjoys learning and challenges himself with new Cisco technologies.