Network
Component
HUB: -
Above Photo Credit :-www.omnisecu.com
Ø 1 Collision Domain: - One
port can send and receive at same time.
Ø 1 Broadcast Domain: -How Far Broadcast travels in a
network.
Switches: -
Ø
Each port
has a collision domain
Ø
1 Broadcast
Domain
Ø
Full Duplex
communication
Ø
Learn mac
address
Ø
Make
Forwarding Decisions based on Mac Address
Ø MAC
(Media Access Control) address
ü A 48-bits address burnet into Network Interface Card (NIC).
Organization
Unique identifier (OUI) (24 bits)
(6 Hex Character)
|
Vendor
Assigned or Vendor Code
(24
bits) (6 Hex Character)
|
00:19:56
|
2D:EA:8A
|
Mac Address: - 00:19:56:2D:EA: 8A
Ø
The Mac
address will store in Switch Chip called ASIC (Application
specific Integrated Circuit) that is created by IBM
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