Ethernet and Switching

Hari Utomo

SME Pre-Sales

Topic

• CSMA CD

• Collision Domain

• Ethernet Frame

• Switch Operation

– Collision Domain

– Switch Operation

• Broadcast Domain

CSMA CD

CSMA CD Controls access in shared Media, if there is a collision,

it is detected and frame are retransmitted

Colision Domain

HUB

Ethernet Frame

DestinationMAC Address

Source MACAddress

Type Data FCS

48 Bits 48 Bits 16 Bits Varies 32bits

FCS :

Uses CRC for hash , Used for error checking

Type : 0x0800 IPv4

0x86DD IPv6

THE SWITCH OPERATION

Switches

Collision Domain

Collision domain

Collision domain Collision domain

Switch Operation

A

CB

1

2 3

Switchport Number Address

1 A

2 B

3 C

Broadcast Domain

SWITCH CONFIGURATION

SWITCH CONFIGURATION

• Basic Security Configuration

– Line console 0

– Line VTY 0 4

– Hostname

– Banner

– Privileged Mode : Enable secret <password>

• Virtual Address

– Interface Vlan 1

– Add IP address

Other Data Link Layer Protocol

• Ethernet 802.3

– 10 Mbps, 100 Mbps , 1 Gbps, 10 Gbps and more

• Wireless Ethernet (802.11 a,b,g,n,ac)

– 54 Mbps and 300 Mbps Wireless Hub

• Point to point protocol (PPP) over serial link

– 600 baud – 56 K, 256 Kbps – 1.5Mbps, 44 Mbps

• ATM

• DOCSIS ( Data Over Cable Interface Spesification)

Protocol to send data over coax cable

• Digital Subscriber Line

Protocol to send data over two wire telephone line