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SEC0259 - FlexVPN L2L with Spoke-to-Spoke (Part 1)

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The video demonstrates Spoke-to-Spoke tunnel capability of Cisco FlexVPN. We will be converting our Hub-and-Spoke DVTI implementation to support Spoke-to-Spoke tunnel. We will review how NHRP is actually used in the tunnel instantiation process and discuss how this is different from DMVPN. The video finishes with a review of NHRP debug packet.
Part 1 of this video covers required FlexVPN configuration
  • Spoke-to-Spoke Tunnel
  • Virtual-Template
  • NHRP Resolution
  • NHRP Shortcut and Redirect
  • NHRP Packet Debug

About Author

Metha Chiewanichakorn, CCIE#23585 (Ent. Infra, 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 technologies.