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Modern Ethernet. Chapter 5. Modern Ethernet. > 10 Mbps Examples: Fast Ethernet : 100 Mbps Gigabit Ethernet: 1000 Mbps 10 Gigabit Ethernet: 10,000 Mbps. Fast Ethernet. 100 Mbps Also known as 100Base Ethernet Includes: 100BaseTX 100BaseT4 (disappeared) 100BaseFX.

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modern ethernet1
Modern Ethernet

> 10 Mbps

Examples:

Fast Ethernet: 100 Mbps

Gigabit Ethernet: 1000 Mbps

10 Gigabit Ethernet: 10,000 Mbps

fast ethernet
Fast Ethernet

100 Mbps

Also known as 100Base Ethernet

Includes:

100BaseTX

100BaseT4 (disappeared)

100BaseFX

100basetx versus 100baset4 versus 100basefx
100BaseTX versus 100BaseT4 versus 100BaseFX

Similarities:

Star-Bus technology

CSMA/CD

Ethernet frame

100 Mbps

Baseband

Differences:

100BaseTX uses UTP cable, two pairs, CAT5 or higher, maximum length of cable from a node to a hub: 100 meters

100BaseT4 uses UTP cable, four pairs, CAT3 or higher, maximum length of cable from a node to a hub: 100 meters

100BaseFX uses multimodefiber optic cable, maximum length of cable from a node to a hub: 2000 meters, no EMI, no wire tap (more secured)

gigabit ethernet
Gigabit Ethernet

1000BaseX

1000Mbps (1 Gbps)‏

1000BaseT:

Four pairs of CAT5 or better UTP cable

Maximum length of cable from a node to a hub: 100 meters

gigabit ethernet1
Gigabit Ethernet

1000BaseSX:

Multimode fiber optic cables

Maximum length of cable from a node to a hub: 220-500 meters

1000BaseLX:

Singlemodefiber optic cables

Maximum length of cable from a node to a hub: 5000 meters

S = short reach

L = long reach

10gigabit ethernet
10Gigabit Ethernet

10GBaseSR/SW

Multimode fiber optic cable

26-300 meters

10GBaseLR/LW

Singlemodefiber optic cable

10,000 meters

10GBaseER/EW

Singlemodefiber optic cable

40,000 meters

E = extended reach

10gigabit ethernet1
10Gigabit Ethernet

10GBaseT

Four pair, CAT 6/6a UTP cable

CAT 6 = 55 meters max.

CAT 6a = 100 meters max.

R: LAN

W: designed to interoperate with SONET equipment using a light-weight SDH/SONET frame

10 100baset devices
10/100BaseT Devices

10/100BaseT Devices:

Networking devices (e.g., NIC, hub, UTP cable) that can work in BOTH 10BaseT and 100BaseT networks

What are 10/100/1000BaseT Devices?

What is 10/100/1000BaseT Switch?

What is 10/100/1000BaseT NIC?

multispeed switch
Multispeed Switch

To break a network into multiple segments that have different data transmission speed (throughputs)‏

High-traffic segment (e.g., backbone) has high data transmission speed technology,

low-traffic segment has low data transmission speed technology,

in order not to waste resources (max performance & min cost)

Backbone

A segment that connects other segments‏ (a switch that connects other switches)

multispeed switch1
Multispeed Switch

10Base

(10 Mbps)

segment

100Base

(100 Mbps)‏

segment

multispeed switch2
Multispeed Switch

What speed do you want to use in this path?

What speed do you want to use in this path?

5th Floor Server

3rd Floor Server

full duplex ethernet
Full-Duplex Ethernet

Normally, Ethernet works in HALF-DUPLEX mode:

One frame can travel over the network at any time

Ethernet switch and Ethernet NICs that can run in Full-Duplex mode enable Ethernet network to run in a FULL-DUPLEX mode

At any time, multiple computers can send frames to the network (in other words, multiple frames can travel over the network at any time)‏

By running in a Full-Duplex mode, the network operates more efficiently by minimizing the waiting time and removing the possibility of collision

By running in a Full Duplex mode, the data transmission rate can be twice as fastas the one in a Half Duplex mode

switch bridge to enable full duplex mode
Switch (Bridge) to Enable Full Duplex Mode

Collision Domain 1

Collision Domain 2

No Collision

Frame For Computer 1

Frame For Computer 2

Computer

1

Computer

2

Bridge

full duplex switch
Full-Duplex Switch
  • 10/100BaseT switch:
      • http://www.superwarehouse.com/Linksys_Etherfast_10_100_8_Port_Auto-Sensing_Switch/EZXS88W/ps/117963
  • Check the “Features” of this switch. One of them indicates that this switch can run at 10, 20, 100, 200 Mbps. Explain how this 10/100BaseT switch can run at 20 and 200 Mbps