Chapter 3 Ethernet Technologies/ Ethernet Switching/ TCP/IP Protocol Suite and IP Addressing

1© 2004, Cisco Systems, Inc. All rights reserved.

Chapter 3

Ethernet Technologies/ Ethernet Switching/ TCP/IP

Protocol Suite and IP Addressing

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Objectives

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Types of Ethernet

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Parameters for 10 Mbps Ethernet Operation

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Ethernet Frame

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Manchester Encoding Examples

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10BASE5 Architecture Example

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10BASE2 Network Design Limits

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10BASE-T Modular Jack Pinouts

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10BASE-T Repeated Network Design Limits

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Parameters for 100-Mbps Ethernet Operation

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Ethernet Frame

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MLT-3 Encoding Example

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100BASE-TX Modular Jack Pinout

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NRZI Encoding Examples

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100BASE-FX Pinout

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Example of Architecture Configuration and Cable Distances

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Types of Ethernet

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Parameters for Gigabit Ethernet Operation

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Ethernet Frame

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Outbound (Tx) 1000Base-T Signal

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Actual 1000Base-T Signal Transmission

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Benefits of Gigabit Ethernet on Fiber

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Gigabit Ethernet Layers

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1000BASE-SX and LX

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Gigabit Ethernet Media Comparison

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Gigabit Ethernet Architecture

Maximum 1000BASE-SX Cable Distances

Maximum 1000BASE-LX Cable Distances

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Parameters for 10-Gbps Ethernet Operation

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10GBASE LX-4 Signal Multiplexing

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10-Gigabit Ethernet Implementations

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Future of Ethernet

The Expanding Scope of Ethernet

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Summary

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Ethernet Switching

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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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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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TCP/IP Protocol Suite and IP Addressing

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Objectives

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The TCP/IP Model

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TCP/IP Applications

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Transport Layer Protocols

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Transport Layer Protocols

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Transport Layer Protocols

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Internet Layer Protocols

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Internet Path Determination

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Network Access Protocols

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Comparing TCP/IP with the OSI Model

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Router Connects Two Networks

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Routers Connect Local and Remote Networks

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Users See TCP/IP Cloud

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Physical Details Hidden from Users

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Host Address

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Dual-homed Computer

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IP Addressing Format

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Consecutive Decimal and Binary Values

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Two Byte (Sixteen Bit Number)

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Two Byte (Sixteen Bit Number)

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One Byte (Eight Bit Number)

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Decimal to Binary Conversion

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Two Byte (Sixteen Bit Number)

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Binary to Decimal Conversion

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Network Layer Communication Path

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Network and Host Addressing

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Internet Addresses

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IP Address Classes

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Identifying Address Classes

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Address Class Prefixes

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Network and Host Division

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Class A Address

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Class B Address

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Class C Address

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Class D Address Architecture

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Class E Address Architecture

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IP Address Range

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Network Address

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Broadcast Address

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Network Address

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Unicast Transmission

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Broadcast Address

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Broadcast Transmission

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Required Unique Address

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Private IP Addresses

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Using Private Addresses in the WAN

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Addressing with Subnets

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Subnet Addresses

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Quick Reference Subnetting Chart

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IPv4 Address Allocation

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IPv4 and IPv6

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IPv4 and IPv6 Addresses

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Internet Addresses

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Assigning IP Addresses

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TCPIP/IP Configuration for Windows 7

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IP Address

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ARP/RARP Message Structure

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BOOTP Message Structure

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DHCP Message Structure

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ARP Table Entry

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ARP Table Funtions

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The ARP Process

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ARP Request

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Proxy ARP Request

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Default Gateway

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Summary

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Question/Answer

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