CCNA In Telugu

Hey guys, here I'm explaining CCNA in simple language anyone can understand,Lets start learning

Section 1  CCNA introduction 



CCNA stands for Cisco certified network associate, Cisco is the one of the major networking company in the world,It majorly manufacture Routers , Switches , Firewalls ,....etc.Cisco Certified Entry Networking Technician is first level certification in Cisco.
Command Line Interface(CLI) is used to interact with Cisco Networking devices.
Routing Protocols : RIP, IGRP, OSPF, EGP EIGRP, IS-IS
Switching : STP, Vlan



How to configure Hostname

Router>enable
Router#configure terminal 
Router(config)#hostname shekhar
shekhar(config)#

How to create Password to the Router
        Router>enable
Router#configure terminal 
Router(config)#hostname shekhar
shekhar(config)#enable password 7hills
shekhar(config)#exit

 How to set password to Auxiliary port

Router>enable
Router#configure terminal
Router(config)#line con 0
Router(config-line)#password letmein
Router(config-line)#login
Router(config-line)#end


How to Enable Encrypted password


        Router>enable 
Router#config terminal 
Router(config)#enable secret shekhar
Router(config)#exit
Router#show running-config

 How to add Banner


 Router#enable 
Router#configure terminal 
Router(config)#banner motd "Well come to router1"
Router(config)#exit

How to see Router Details


 shekhar>enable
Password:
shekhar#show running-config 
Building configuration...

 Current configuration : 500 bytes
!
version 12.4
no service timestamps log datetime msec
no service timestamps debug datetime msec
no service password-encryption
!
hostname shekhar
!
enable password 7hills
!
!

How to set password to Telnet

Router>enable
Password:
Router#configure terminal
Router(config)#line vty 0
Router(config-line)#password passtelnet 123456
Router(config-line)#exit
Router(config)#exit

How to reset password

Self decompressing the image :
##############
monitor: command "boot" aborted due to user interrupt
rommon 1 > confreg 0x2142
monitor: command "prompt" not found
rommon 2 > reset
System Bootstrap, Version 12.3(8r)T8, RELEASE  SOFTWARE (fc1)
Cisco 1841 (revision 5.0) with 114688K/16384K bytes  of memory.

How to assign IP address to router

 Router>enable
Router#configure terminal
Router(config)#interface fastEthernet 0/0
Router(config-if)#ip address 192.168.1.56  255.255.255.0

 Router(config-if)#no shutdown
Router(config)#exit


Switching

How to see Mac address in switch


 Switch>enable
Switch#show mac 
Switch#show mac address-table 
          Mac Address Table
-------------------------------------------

 Vlan    Mac Address       Type        Ports
----    -----------       --------    -----


How to block the port in switch


 Switch>enable
Switch#configure terminal 
Switch(config)#interface fastEthernet 0/1
Switch(config-if)#shutdown
Switch(config-if)#exit

 How to assign half or full duplex in switch

Switch>enable
Switch#config t
Switch(config)#interface fast
Switch(config)#interface fastEthernet 0/1
Switch(config-if)#duplex half
Switch(config-if)#exit

How to create VLAN in switch

 Switch>enable 
Switch#configure terminal 
Switch(config)#vlan 123
Switch(config-vlan)#name shekhar
Switch(config-vlan)#exit

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