Summary

This chapter covered many introductory concepts of Cisco's switches and how you use them in your network. AVVID is one of the core building blocks that Cisco uses when creating a network design. AVVID includes three components: Network Infrastructure, Intelligent Network Services, and Network Solutions.

Cisco uses a basic three-layer hierarchical model to describe the design process: core, distribution, and access. The core layer provides high-speed switching between distribution layers. The distribution layer provides Layer 3 services and separation of access and other distribution layers. The access layer provides a user's initial connection to the network.

Cisco expands on this model when designing campus networks. A campus network ...

Get BCMSN Exam Cram™ 2 (Exam Cram 642-811) now with O’Reilly online learning.

O’Reilly members experience live online training, plus books, videos, and digital content from 200+ publishers.