CCNA 1 v3.0 Module 8 Ethernet Switching © 2003, Cisco Systems, Inc. All rights reserved. 1 Purpose of This PowerPoint • This PowerPoint primarily consists of the Target Indicators (TIs) of this module in CCNA version 3.0. • It was created to give instructors a PowerPoint to take and modify as their own. • This PowerPoint is: NOT a study guide for the module final assessment. NOT a study guide for the CCNA certification exam. • Please report any mistakes you find in this PowerPoint by using the Academy Connection Help link. © 2003, Cisco Systems, Inc. All rights reserved. 2 To Locate Instructional Resource Materials on Academy Connection: • Go to the Community FTP Center to locate materials created by the instructor community • Go to the Tools section • Go to the Alpha Preview section • Go to the Community link under Resources • See the resources available on the Class home page for classes you are offering • Search http://www.cisco.com • Contact your parent academy! © 2003, Cisco Systems, Inc. All rights reserved. 3 Objectives • Ethernet Switching • Collision Domains and Broadcast Domains © 2003, Cisco Systems, Inc. All rights reserved. 4 Layer 2 Bridging © 2003, Cisco Systems, Inc. All rights reserved. 5 Bridges © 2003, Cisco Systems, Inc. All rights reserved. 6 Switch Operation © 2003, Cisco Systems, Inc. All rights reserved. 7 Full Duplex © 2003, Cisco Systems, Inc. All rights reserved. 8 Network Latency © 2003, Cisco Systems, Inc. All rights reserved. 9 Switch Modes © 2003, Cisco Systems, Inc. All rights reserved. 10 Switch Modes • Store and Forward - A switch receives the entire frame before sending it out the destination port. • Cut-Through - A switch starts to transfer the frame as soon as the destination MAC address is received. © 2003, Cisco Systems, Inc. All rights reserved. 11 Spanning-Tree Operation © 2003, Cisco Systems, Inc. All rights reserved. 12 STP States © 2003, Cisco Systems, Inc. All rights reserved. 13 Types of Networks © 2003, Cisco Systems, Inc. All rights reserved. 14 Collisions in Collision Domain © 2003, Cisco Systems, Inc. All rights reserved. 15 Layer 1 Devices Extend Collision Domains © 2003, Cisco Systems, Inc. All rights reserved. 16 Broadcasts in a Bridged Environment © 2003, Cisco Systems, Inc. All rights reserved. 17 Broadcast Domain Segmentation © 2003, Cisco Systems, Inc. All rights reserved. 18 Data Flow Through a Network © 2003, Cisco Systems, Inc. All rights reserved. 19 What is a Network Segment? © 2003, Cisco Systems, Inc. All rights reserved. 20