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Cisco Networking Academy's Introduction to Switched Networks

Chapter Description

This chapter begins an examination of the flow of traffic in a modern network. It examines some of the current network design models and the way LAN switches build forwarding tables and use the MAC address information to efficiently switch data between hosts.

Key Terms

This chapter uses the following key terms. You can find the definitions in the Glossary.

  • converged network page 3
  • hierarchical page 6
  • modularity page 6
  • resiliency page 7
  • flexibility page 7
  • access layer page 8
  • distribution layer page 8
  • core layer page 8
  • three-tier campus network design page 8
  • two-tier campus network design page 9
  • collapsed core network design page 9
  • fixed configuration switch page 13
  • modular configuration switch page 13
  • stackable configuration switch page 13
  • ingress page 15
  • egress page 15
  • MAC address table page 16
  • application-specific-integrated circuit (ASIC) page 19
  • store-and-forward switching page 19
  • cut-through switching page 19
  • frame-check-sequence (FCS) page 20
  • collision domain page 22
  • microsegmentation page 23
  • broadcast domain page 23
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