Learn about router components in Hindi, Cisco router ports and memory in Hindi.

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Router components
 Introduction to router components in Hindi
 Router boot process in Hindi
 Types of router ports in Hindi
Introduction to router components
एक router कई क क components क उ क ए क
Cisco router क 4 क memory औ 2 क ports क Cisco
router क basic components इ क
 Memory
o ROM
o FLASH
o RAM
o NV-RAM
 Ports (Interfaces & lines)
 Command Line Interface
ROM एक bootstrap program ROM monitor क router क
on क bootstrap program hardware diagnostic perform क
Power On Self Test क diagnostic successful bootstrap
program flash memory IOS क क load क Flash memory क
rewrite क क इ Cisco router क IOS क upgrade क क ability

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bootstrap क IOS flash memory ROM IOS क
temporary version load क ROM क rewrite erase क क
device क upgrade क क क ROM क change क
IOS flash memory इ RAM load क इ क
bootstrap NV-RAM Startup-Configuration file क NV-RAM non
volatile RAM इ ए इ क contents erase
IOS क startup configuration file TFTP server
configuration file load क क क क TFTP server respond
क IOS initial configuration mode enter इ mode user
questions router क quickly configure क
IOS क NV-RAM startup configuration file इ RAM load
क औ running configuration file
Memory
Cisco IOS 4 क memory इ क
Memory Description
ROM read only memory router hardwired
ROM क bootstrap program power on self

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test perform क इ ROM monitor mode क
router IOS find क व ROM boot
FLASH By default router IOS क ए flash memory क
search क औ IOS क boot क electronically
erasable programmable read only memory
RAM इ dynamic random access memory क RAM
Cisco router क CPU क working area इ memory
running configuration file औ routing tables stored
NV-RAM इ non volatile random access memory क NV-
RAM startup configuration file stored system
क startup क
Ports
Cisco IOS interfaces औ lines 2 क ports इ क
Interfaces router क devices क routers औ switches connect क
क network data इ ports क travel क
क common interfaces क ए
 Serial interface
 Ethernet interface

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 Fast Ethernet interface
Interfaces क उ क औ number क व identify क उ क ए
ethernet interface क Ethernet0 क क router families
व modular इ ए उ interfaces क slots organize क इ ए
उ interface number क slot number क slot
क 2 interface क इ क क
Ethernet0/2
क ports उ connect क router क configure क क
इ lines क क ports क ए
 Console ports
 Auxiliary ports
 VTY ports
Interfaces क lines क line type औ line number क व identify क
इ ए console port क इ
Console0
Command line interface (CLI)

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Cisco router क interact क क ए IOS एक command line interface
provide क Cisco devices क configure औ manage क क ए command
line interface option इ console, modem औ telnet
connection क व access क क इ commands क type क
औ execute क व
Router booting process
Cisco एक booting process क इ process क explain क
1. Router क power on क
2. ROM bootstrap program load
3. Bootstrap program POST (Power On Self Test) run क
4. Bootstrap flash memory IOS क load क क क -
1. flash memory IOS bootstrap ROM basic
IOS क load क
2. flash memory IOS इ RAM load क
5. IOS NV-RAM startup config file क load क क क -
1. startup configuration file NVRAM IOS TFTP
server एक configuration file load क क क

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2. TFTP server respond क router initial configuration
mode enter
3. startup config file NVRAM इ RAM load क
6. Startup configuration RAM running configuration
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