Chapter 3. LISP IPv4 Unicast Routing

This chapter focuses on IPv4 unicast packet handling fundamentals in LISP networks. It begins with an in-depth look at a packet walk between LISP sites followed by a configuration and troubleshooting example.

This chapter covers the following topics:

  • Communication between LISP and non-LISP sites

  • How LISP interconnects LISP networks from different routing domains

  • Unicast packet forwarding, which between LISP and non-LISP sites in the following combinations:

    • LISP site to LISP site

    • LISP site to non-LISP site

    • Non-LISP site to LISP site

    • Non-LISP site to non-LISP site

The current traditional Internet architecture involves packet forwarding from non-LISP site to non-LISP site, with destination-based routing ...

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