Configuring a Cisco Router Part-1:



Configuring a Router Part-1:

This Blog provides you information and commands concerning the following topics:
  Router modes description
  Entering in  global configuration mode
  Configuring a router
Device Name (Hostname)
Router Passwords
Router Password encryption

Router modes:

Router>enable                                         User mode
Router#                                                   Privileged mode (also known as EXEC-level mode)
Router(config)#                                       Global configuration mode
Router(config-if)#                                   Interface mode
Router(config-subif)#                             Sub-interface mode
Router(config-line)#                                Line mode
Router(config-router)#                            Line mode




Configuring a Router Name (Hostname):
Router>
Router>enable
Router#configure terminal
Router(config)#
Router(config)#hostname Cisco

Configuring Passwords on Router:

Router(config)#enable password cisco@123
For Set enable password
Router(config)#enable secret Cisco
For Set enable secret password
Router(config)#line console 0
For Enter console line mode
Router(config-line)#password Cisco1234
For Set console line mode password to
Console.
Router(config-line)#login
For Enable password checking at login
Router(config)#line vty 0 4
For Enter vty line mode for all five vty lines
Router(config-line)#password Cisco
For Set vty password to telnet
Router(config-line)#login
For Enable password checking at login
Router(config)#line aux 0
For Enter auxiliary line mode
NOTE This feature is not available on Cisco switches.
Router(config-line)#password
Ashish
For Set auxiliary line mode password to
backdoor
Router(config-line)#login
For Enable password checking at login
 Password Encryption on Router:

Router(config)#service
password-encryption
For Clear text passwords will be hidden using a weak encryption algorithm.
Router(config)#enable password
Cisco
For Set enable password to cisco.
Router(config)#line console 0
For Moves to console line mode.
Router(config-line)#password Cisco@123
For Continue setting passwords as above.
Router(config)#no service
password-encryption
For Turn off password encryption.


         Thank You      

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