Network
Component
HUB: -
Ø 1 Collision Domain: - One
port can send and receive at same time.
Ø 1 Broadcast Domain: -How Far Broadcast travels in a
network.
Bridge: - Learn Mac address one side to another side: -
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhYQU30_IxmyZqy5qvAx5JsvHk2Xxj11Yc9c8Ch7A4MZQsUoIuSg6HM5Y4hncC7LJfOYangrgYoRxFk_Il3HUlIjtjjY8E8ym0L_sun-1GtHLsl9e5yM-Rzd1v9563vT93QeKRNwwlJ3yMI/s640/ccnaccnplinux.com_networking_devices_5.jpg)
Switches: -
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgCxktVgmpSpCWy0g7SAfyt4KTyyBbXhjo15oI9XECWWDWbG4iQlZixUvdY7ZUp2dlzHDqYIjj45mg6lP23aJB2VsE-co_deTkp4V9I_VHAiB2QNb4BxAoBJMbN8re7ouoD6Dxd6xo_Yf9V/s640/ccnaccnplinux.com_networking_devices_6.jpg)
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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