Transcript CCNA 1 Module 7 Ethernet Topologies

CCNA 1 v3.1 Module 8
Ethernet Switching
© 2004, Cisco Systems, Inc. All rights reserved.
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Purpose of This PowerPoint
• This PowerPoint primarily consists of the Target
Indicators (TIs) of this module in CCNA version
3.1.
• 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.
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2
To Locate Instructional Resource
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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
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• Search http://www.cisco.com
• Contact your parent academy!
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Objectives
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Layer 2 Bridging
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Bridges
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Switch Operation
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Full Duplex
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Network Latency
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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.
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10
Spanning-Tree Operation
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STP States
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Types of Networks
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Collisions in Collision Domain
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Collision Domain Segmentation
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Increasing a Collision Domain
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Four Repeater Rule
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Round-Trip Delay Calculation
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Layer 1 Devices Extend Collision
Domains
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Limiting the Collision Domains
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Segmenting a Collision Domain with a
Bridge
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Broadcasts in a Bridged Environment
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Effects of Broadcast Radiation on Hosts in a
IP Network
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Average Number of Broadcasts and
Multicasts for IP
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Broadcast Domain Segmentation
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Data Flow Through a Network
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Segments
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Summary
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