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Building Resilient IP Networks by Kok-Keong Lee, - CCIE No. 8427

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Chapter 5. Core Module

This chapter covers the following topics:

Network Convergence in the Core

OSPF Enhancements

IS-IS Enhancements

EIGRP Enhancements

IP Event Dampening

Multipath Routing

MPLS Traffic Engineering

Multicast Subsecond Convergence

In Chapter 3, “Fundamentals of IP Resilient Networks,” you learned about the functionalities of the different modules that make up the building blocks of a network. The core module deals mainly with IP routing issues; it is designed to move packets from the ingress to egress of the core in the shortest amount of time, and its design is often kept as simple as possible to achieve this objective. Features that are configured at the core may include those associated with the guaranteed ...

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