Chapter 19
DMVPN Tunnels
This chapter covers the following topics:
Generic Routing Encapsulation (GRE) Tunnels: This section explains how GRE tunnels operate and explains the configuration of GRE tunnels.
Next Hop Resolution Protocol (NHRP): This section describes NHRP and how it dynamically maps underlay IP addresses to overlay tunnel IP addresses.
Dynamic Multipoint VPN (DMVPN): This section explains the three DMVPN phases and the technologies involved with DMVPN tunnels.
DMVPN Configuration: This section explains the configuration of DMVPN tunnels.
Spoke-to-Spoke Communication: This section explains how spoke-to-spoke DMVPN tunnels form.
Problems with Overlay Networks: This section describes common issues with overlay networks and optimal ...
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