CCNA

1. Cisco Network Support Certifications 2. Networking Terms 3. INTRODUCTION TO NETWORKING 4. TYPES OF NETWORK 5. The Development of the Internet 6. NETWORK ARCHITECTURE 7. TOPOLOGY 8. BUS TOPOLOGY 9. RING TOPOLOGY 10. STAR TOPOLOGY 11. MESH TOPOLOGY 12. HYBRID TOPOLOGY 13. Speed of Networking device 14. NETWORK DEVICES 15. Exploring Wireless Network 16. REPEATERS 17. HUB 18. SWITCH 19. BRIDGE 20. ROUTERS 21. TRANSMISSION Telecommunication 22. Difference between Full Duplex, Half Duplex and Simplex 23. IP-ADDRESSING and IPV4 24. IPv4 address classes 25. IPV6 [ Internet Protocol Version 6 ] 26. SPEED OF VARIOUS DEVICES 27. Network Security 28. Some basic suggestion and steps to prevent Attacks and Network security 29. OSI model 30. UPPER and LOWER Layer 31. Application Layer (Layer 7) 32. Presentation Layer (Layer 6) 33. Session Layer (Layer 5) 34. Transport Layer (Layer 4) 35. Network Layer (Layer 3) 36. Data Link Layer 2 37. Physical Layer 1 38. TCP/IP The DoD Model 39. ROUTED PROTOCOL 40. Ports and Application 41. Important Application, Protocol and Port Number 42. Router Function 43. Types of Routing Protocols 44. STARTING ROUTER 45. CISCO IOS 46. Logging in to the Router 47. CISCO Router IOS commands List 48. Setting time and date of router 49. Router configuration commands 50. Optimizing Switch and Router 51. Understanding Router Terms 52. ROUTER SECURITY 53. Configuring CISCO SWITCH Security Policy 54. IMPLEMENTING STATIC ROUTING 55. UNDERSTANDING THE NEED FOR NAT 56. WAN Connections 57. Access List [ACL] 58. VLAN [Virtual Local Area Network] 59. SPANNING TREE :- BROADCAST STORM 60. Lab 1 Setting up a Serial Interface 61. Lab 2 : IP Addressing 62. Lab 3 Static Routes 63. Lab 4 Default Routes 64. Lab 5 RIP Routes 65. Lab 6 IGRP Routes 66. Lab 7 EIGRP Routes 67. Lab 8 OSPF Routes 68. Lab 9 CHAP and RIP 69. Lab 10 Standard Access-Lists with RIP 70. Lab 11 Extended Access-Lists with RIP 71. Lab 12 Static NAT 72. Lab 13 Many to One NAT 73. Lab 14 NAT Pool 74. Lab 15 ( 2950 Trunk ) 75. Lab 16 ( 2950 Trunk Dynamic ) 76. Lab 17 (2950 VLANs) 77. Lab 18 ( 2950 Deleting VLANs ) 78. Lab 19 ( 2950 VTP ) 79. Lab 20 ( 2950 VTP w/ client ) 80. Lab 21 ( 2950 Telnet )
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CISCO Router IOS commands List tutorials

 

Command

Description

<enter>

To get to the router prompt

?

In user mode it is used to view all available command at this prompt / or / at Privilege mode.

enable or en

Used to enter Privilege mode

exit or Ctrl Z

Disable will log out of the router

up arrow or ctrl+P

Previous command

down arrow or ctrl+N

Next command in history buffer

show ?

Display all show commands

Show running-config

Allow you to see the active or running configuration in memory. The running configuration is not automatically saved on Cisco Router, and will be lost in the event of power failure. It must be manually saved with “copy run start” command. It display the currently active configuration in memory, including any changes made in the session that have not been saved.

show startup-config

Display the last saved configuration to NVRAM (Non Volatile Memory)

Show history

Show default last 10 command you have entered at router (CLI) Command Line Interface

Terminal history

Turn the command history on

Terminal no history

Turn the command history off

Terminal history size <No>

Set the size of the history buffer from 0 to 256 commands

show flash

Show special kind of memory on the router that contain the operating system image file(s). This Flash memory continues to maintain the file image even after power is lost.

Show flash all

Show above details with all possible information about flash rom

Show flash filesys

Display only file system information about flash

show protocol

View status of current layer 3 routed protocols running on router

show version

Display critical information such as router platform type, OS system version, OS last boot time, file location, amount of memory, number of interface and configuration register.

show hosts

Display a cached list of hosts and all of their interfaces IP address

show users

display a list of all users who are connected to the router

show interfaces

Display statistics for all interfaces configured on the router. It displays information on connections and ports that are connected with other devices.

Show interfaces summery

Display all above interface details in summery

Show interfaces description

Display all above interface details without description

Show interfaces stats

Display interface statistics with processor, route packets in, out etc

Show interfaces serial 0/1/0

Display interface Serial details for 0/1 or specified number

show interfaces fastEthernet 0/0

Display interface for fastEthernet or specified Ethernet specified number

show clock

show clock

 


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