Chapter 16
Overlay Tunnels
This chapter covers the following subjects:
Generic Routing Encapsulation (GRE) Tunnels: This section explains GRE and how to configure and verify GRE tunnels.
IPsec Fundamentals: This section explains IPsec fundamentals and how to configure and verify IPsec.
Cisco Locator/ID Separation Protocol (LISP): This section describes the architecture, protocols, and operation of LISP.
Virtual Extensible Local Area Network (VXLAN): This section describes VXLAN as a data plane protocol that is open to operate with any control plane protocol.
An overlay network is a logical or virtual network built over a physical transport network referred to as an underlay network. Overlay networks are used to overcome shortcomings of traditional ...
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