CCNA-Routing

Basic Router Configuration:

EXEC Modes:

1.User EXEC
2.Privilege EXEC
3.Configuration

Both EXEC Modes can be password protected.

User EXEC Mode :
Router>

Privilege EXEC Mode:
Router> enable (or use en)
Router#

Router#disable
Router>


Router#logout
Router#exit

Switch similar ,try exit command

Router> help or ? help command

example : Router# erase ?

Router#e?
enable erase exit

"^" in command line indicate error

Router#show i?
idb interfaces ip ipv6

Router#show history
(last ten commands)

Router#terminal history size

Router#terminal no editing

Router#clock set

Router#show clock

Router#show interfaces

Router# show running-config

Router#show startup-config



Basic Switch Configuration:
1900 and 2950


> enable
#
only for 2950

#configure terminal or conf t
(config)#

(config)# hostname 1900
1900(config)#

1900(config)#no hostname 1900
(config)#

Assigning Passwords:

For 1900

(config)# enable password level

Level is 1 for User EXEC ,15 Privilege EXEC
type level first
password next

For 2950
Switch(config)#line console 0
Switch(config-line)# password console_password

0 specifies console port

Global configuration
Subconfiguration