CCNP and CCIE Enterprise Core ENCOR 350-401 Official Cert Guide, 2nd Edition

Chapter 9

Advanced OSPF

This chapter covers the following subjects:

• Areas: This section describes the benefits and functions of areas within an OSPF routing domain.

• Link-State Advertisements: This section explains how OSPF stores, communicates, and builds a topology from the link-state advertisements (LSAs).

• Discontiguous Networks: This section demonstrates a discontiguous network and explains why such a network cannot distribute routes to all areas properly.

• OSPF Path Selection: This section explains how OSPF makes path selection choices for routes learned within the OSPF routing domain.

• Summarization of Routes: This section explains how network summarization works with OSPF.

• Route Filtering: This section explains how OSPF routes can be filtered ...