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1. K.VIGNESH
NETWORK DEVICES

2. Network devices
DTE
 DTE (Data terminating equipment)
 Definition of DTE
 DTE (Data terminating equipment)
is a terminal residing at physical
layer or can be anything that could
be able to generate to consume
digital data like computers. In other
words, it is an assembly that
operates either as a source of or as a
destination for binary digital data.
 ROUTER, FIRWALL, L3 SWITCH
 IP ADDRESS configur
DCE
 DCE (Data communication
equipment) involves operative units
that transfer or receives data in the
form of digital or analog signal
within a network.
 HUB, BRIDGE,SWITCH

3. HUB BRIDGE SWITCH ROUTER

4. HUB
 It is a layer 1 device
 One broadcast domain
 One collision domain

5. HUB

7. BRIDGE
 It is a layer 2 device (Data link)
 Implemented by software (IOS)
 Performance is high than bridge
 It will forward the FRAM based on destination
MAC address

8. FRAME
FRAME
SOURCE MAC ADDRESS
DESTINATION MAC
ADDRESS

9. INTERNETWORK
OPERATING SYSTEM (IOS)
 It is a software
 Use to control and manage

10. BRIDGE

11. SWITCH
 It is a Layer 2 device
 Implemented by hardware
 Performance is high than bridge
 It will forward the FRAME based on destination MAC
address

13. SWITCH

15. ASIC
 application-specific integrated circuit
 It is a microchip designed for a special
application, such as a particular kind of
transmission protocol or a hand-held computer

16. ASIC

17. CONTENT ADDRESSABLE
MEMORY
MEDIA ACCESS
CONTROL (MAC)
PORT NO
00-14-22-01-23-45
00-14-22-01-13-49
P1
P2