8/3/2019 Chapter 9 Ethernet

1/27

2007 Cisco System s, Inc. All rights reserved. Cisco Public 1Version 4.0

Ethernet

Network Fundamentals Chapter 9

8/3/2019 Chapter 9 Ethernet

2/27

2 2007 Cisco System s, Inc. All rights reserved. Cisco Public

Obj ectivesIdentify the basic characteristics of network media used inEthernet.

Describe the physical and data link features of Ethernet.

Describe the function and characteristics of the media access

control method used by Ethernet protocol.Explain the importance of Layer 2 addressing used for datatransmission and determine how the different types of addressing impacts network operation and performance.

Compare and contrast the application and benefits of usingEthernet switches in a LAN as apposed to using hubs.Explain the ARP process.

8/3/2019 Chapter 9 Ethernet

3/27

3 2007 Cisco System s, Inc. All rights reserved. Cisco Public

Characteristics of Network Media used in EthernetIdentify several characteristics of Ethernet in its earlyyears

8/3/2019 Chapter 9 Ethernet

4/27

4 2007 Cisco System s, Inc. All rights reserved. Cisco Public

Characteristics of Network Media used in EthernetDescribe the emergence of the LAN switch as a keyinnovation for managing collisions on Ethernet-basednetworks

8/3/2019 Chapter 9 Ethernet

5/27

5 2007 Cisco System s, Inc. All rights reserved. Cisco Public

Characteristics of Network Media used in EthernetIdentify the characteristics of state-of-the-art Ethernetand describe its utilization of cabling and point-to-pointtopography

8/3/2019 Chapter 9 Ethernet

6/27

6 2007 Cisco System s, Inc. All rights reserved. Cisco Public

P hysical and Data Link Features of EthernetStandards and Implementation

8/3/2019 Chapter 9 Ethernet

7/27

7 2007 Cisco System s, Inc. All rights reserved. Cisco Public

P hysical and Data Link Features of EthernetDescribe how the Ethernet operates across two layersof the OSI model

8/3/2019 Chapter 9 Ethernet

8/27

8 2007 Cisco System s, Inc. All rights reserved. Cisco Public

P hysical and Data Link Features of EthernetLogic Link Control Connecting the Upper Layers

8/3/2019 Chapter 9 Ethernet

9/27

9 2007 Cisco System s, Inc. All rights reserved. Cisco Public

P hysical and Data Link Features of EthernetM edia Access Control (M AC)

8/3/2019 Chapter 9 Ethernet

10/27

10 2007 Cisco System s, Inc. All rights reserved. Cisco Public

P hysical and Data Link Features of EthernetPhysical Implementations of the Ethernet

8/3/2019 Chapter 9 Ethernet

11/27

11 2007 Cisco System s, Inc. All rights reserved. Cisco Public

Function and Characteristics of the Media AccessControl Method

M AC in Ethernet

8/3/2019 Chapter 9 Ethernet

12/27

12 2007 Cisco System s, Inc. All rights reserved. Cisco Public

Function and Characteristics of the Media AccessControl Method

Carrier Sense M ultiple Access with Collision Detection

8/3/2019 Chapter 9 Ethernet

13/27

13 2007 Cisco System s, Inc. All rights reserved. Cisco Public

Function and Characteristics of the Media AccessControl Method

Ethernet Timing

8/3/2019 Chapter 9 Ethernet

14/27

14 2007 Cisco System s, Inc. All rights reserved. Cisco Public

Layer 2 Addressing and Its Impact on NetworkOperation and P erformance

The Frame Encapsulating the Packet

8/3/2019 Chapter 9 Ethernet

15/27

15 2007 Cisco System s, Inc. All rights reserved. Cisco Public

Layer 2 Addressing and Its Impact on NetworkOperation and P erformance

The Ethernet M AC Address

8/3/2019 Chapter 9 Ethernet

16/27

16 2007 Cisco System s, Inc. All rights reserved. Cisco Public

Layer 2 Addressing and Its Impact on NetworkOperation and P erformance

H exadecimal Numbering and Addressing

8/3/2019 Chapter 9 Ethernet

17/27

17 2007 Cisco System s, Inc. All rights reserved. Cisco Public

Layer 2 Addressing and Its Impact on NetworkOperation and P erformance

Another Layer of Addressing

8/3/2019 Chapter 9 Ethernet

18/27

18 2007 Cisco System s, Inc. All rights reserved. Cisco Public

Layer 2 Addressing and Its Impact on NetworkOperation and P erformance

Ethernet Unicast, M ulticast and Broadcast

8/3/2019 Chapter 9 Ethernet

19/27

19 2007 Cisco System s, Inc. All rights reserved. Cisco Public

Compare and Contrast the Use of Ethernet Switchesversus Hu b s in a LAN

Legacy Ethernet Using H ubs

8/3/2019 Chapter 9 Ethernet

20/27

20 2007 Cisco System s, Inc. All rights reserved. Cisco Public

Compare and Contrast the Use of Ethernet Switchesversus Hu b s in a LAN

Ethernet Using Switches

8/3/2019 Chapter 9 Ethernet

21/27

21 2007 Cisco System s, Inc. All rights reserved. Cisco Public

Compare and Contrast the Use of Ethernet Switchesversus Hu b s in a LAN

Describe how a switch can eliminate collisions,backoffs and re- transmissions, the leading factors inreduced throughput on a hub-based Ethernet network

8/3/2019 Chapter 9 Ethernet

22/27

22 2007 Cisco System s, Inc. All rights reserved. Cisco Public

Explain the Address Resolution P rotocol (AR P) P rocessM apping IP to M AC Addresses

8/3/2019 Chapter 9 Ethernet

23/27

23 2007 Cisco System s, Inc. All rights reserved. Cisco Public

Explain the Address Resolution P rotocol (AR P) P rocess ARP Destinations Outside the Local Network

8/3/2019 Chapter 9 Ethernet

24/27

24 2007 Cisco System s, Inc. All rights reserved. Cisco Public

Explain the Address Resolution P rotocol (AR P) P rocess ARP Removing Address M appings

8/3/2019 Chapter 9 Ethernet

25/27

25 2007 Cisco System s, Inc. All rights reserved. Cisco Public

Explain the Address Resolution P rotocol (AR P) P rocess ARP Broadcasts - Issues

8/3/2019 Chapter 9 Ethernet

26/27

26 2007 Cisco System s, Inc. All rights reserved. Cisco Public

Summary

8/3/2019 Chapter 9 Ethernet

27/27

27 2007 Cisco System s, Inc. All rights reserved. Cisco Public