CCNA Study Notes 08-13

CCNA Study notes 08-13

First, the router boot process :

1, power-on self-test

2. Find and load iOS from flash

3. Find and load boot configuration files from NVRAM (startup-config)

second, physical cable:

1. Network cable (twisted pair)

Straight line (568B-568B): Different devices connected (R-SW/SW-PC/HUB-PC)

Crossover Line (568A-568B): connected to the same device (r-r/sw-sw/r-pc/sw-hub)

Full Reverse line (1-8/8-1): Console line

three, basic command:

1. > User mode enable (enter privileged mode)

2. # Privileged mode Configure terminal (enter global configuration mode)

1) View Configuration

2) Test network connectivity

3, (config) #全局配置模式 interface F0/1 (enter interface mode)

--Configuration affects the entire pattern

4. Interface mode:

(config-if) #

1) IP address Configure IP addresses, subnet masks

2) No shutdown activation port

5. Exit Command:

1) Exit: Step Out

2) End (or ctrl+z/ctrl+c): direct fallback to privileged mode

6. # Ping IP Test network connectivity

7. Tab Command Completion

8. Set Password:

1) # Enable password Configure privileged mode (clear text) password

2) # Enable secret Configure privileged password (encrypted) password

9. Telnet remote Management

R1 (config) # line vty 0 4 open (0,1,2,3,4,) five channels

R1 (config-line) # password Cisco configuration telnet password for: Cisco

R1 (config-line) # login login, register

R1 (config-line) # exit

R1 (config) # enable password Cisco configuration privilege (clear text) password is: Cisco

R1 (config) #exit

R1 # Show users see which users telnet to R1

Test:

r2# Telnet 192.168.1.2 (R1) IP

Trying 192.168.1.2 ... Open

10. Set the password for the console port:

R1 (config) #line console 0

R1 (config-line) #password 789

R1 (Config-line) #login

R1 (Config-line) #end

11. Save the configuration

# Copy Running-config startup-config (privileged mode)

12. Restart

Reload

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Lab

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End

This article from "11913800" blog, declined reprint!

CCNA Study Notes 08-13