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


Objectives


Types of Ethernet


Parameters for 10 Mbps Ethernet Operation


Ethernet Frame


Manchester Encoding Examples


10BASE5 Architecture Example


10BASE2 Network Design Limits


10BASE-T Modular Jack Pinouts


10BASE-T Repeated Network Design Limits


Parameters for 100-Mbps Ethernet Operation


Ethernet Frame


MLT-3 Encoding Example


100BASE-TX Modular Jack Pinout


NRZI Encoding Examples


100BASE-FX Pinout


Example of Architecture Configuration and Cable Distances


Types of Ethernet


Parameters for Gigabit Ethernet Operation


Ethernet Frame


Outbound (Tx) 1000Base-T Signal


Actual 1000Base-T Signal Transmission


Benefits of Gigabit Ethernet on Fiber


Gigabit Ethernet Layers


1000BASE-SX and LX


Gigabit Ethernet Media Comparison


Gigabit Ethernet Architecture

Maximum 1000BASE-SX Cable Distances

Maximum 1000BASE-LX Cable Distances


Parameters for 10-Gbps Ethernet Operation


10GBASE LX-4 Signal Multiplexing


10-Gigabit Ethernet Implementations


Future of Ethernet

The Expanding Scope of Ethernet


Summary


Ethernet Switching


Objectives


Layer 2 Bridging


Bridges


Switch Operation


Full Duplex


Network Latency


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.


Spanning-Tree Operation


STP States


Types of Networks


Collisions in Collision Domain


Collision Domain Segmentation


Increasing a Collision Domain


Four Repeater Rule


Round-Trip Delay Calculation


Layer 1 Devices Extend Collision Domains


Limiting the Collision Domains


Segmenting a Collision Domain with a Bridge


Broadcasts in a Bridged Environment


Effects of Broadcast Radiation on Hosts in a IP Network


Average Number of Broadcasts and Multicasts for IP


Broadcast Domain Segmentation


Data Flow Through a Network


Segments


Summary


TCP/IP Protocol Suite and IP Addressing


Objectives


The TCP/IP Model


TCP/IP Applications


Transport Layer Protocols






Internet Layer Protocols


Internet Path Determination


Network Access Protocols


Comparing TCP/IP with the OSI Model


Router Connects Two Networks


Routers Connect Local and Remote Networks


Users See TCP/IP Cloud


Physical Details Hidden from Users


Host Address


Dual-homed Computer


IP Addressing Format


Consecutive Decimal and Binary Values


Two Byte (Sixteen Bit Number)




One Byte (Eight Bit Number)


Decimal to Binary Conversion




Binary to Decimal Conversion


Network Layer Communication Path


Network and Host Addressing


Internet Addresses


IP Address Classes


Identifying Address Classes


Address Class Prefixes


Network and Host Division


Class A Address


Class B Address


Class C Address


Class D Address Architecture


Class E Address Architecture


IP Address Range


Network Address


Broadcast Address


Network Address


Unicast Transmission


Broadcast Address


Broadcast Transmission


Required Unique Address


Private IP Addresses


Using Private Addresses in the WAN


Addressing with Subnets


Subnet Addresses


Quick Reference Subnetting Chart


IPv4 Address Allocation


IPv4 and IPv6


IPv4 and IPv6 Addresses


Internet Addresses


Assigning IP Addresses


TCPIP/IP Configuration for Windows 7


IP Address


ARP/RARP Message Structure


BOOTP Message Structure


DHCP Message Structure


ARP Table Entry


ARP Table Funtions


The ARP Process


ARP Request


Proxy ARP Request


Default Gateway


Summary


Question/Answer

Thank you

Documents

1 © 2004, Cisco Systems, Inc. All rights reserved. Chapter 3 Ethernet Technologies/ Ethernet Switching/ TCP/IP Protocol Suite and IP Addressing