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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Router configuration commands tutorials

 

To perform following Task

Router Commands

show ip interface

 

This command will display all IP interface with complete details with IP address and status.

It works on user and privileged mode

Router> show ip interface

 

Router# show ip interface

 

Show ip interface brief

 

This command will display all IP interface in brief with IP address and status.

It works on user and privileged mode./h3>

Router> show ip interface brief

 

Router# show ip interface brief

 

Assign a name to router.

 

To assigning a Router Name the hostname command will help to change router name.

 

 

Router> enable

Router# configure terminal

Router(config)# hostname samlab_r1

Samlab_r1#

 

Configuring a Serial Interface

 

Specified commands will help to configure serial interface on router.

 

Router> enable

Router# configure terminal

Router(Config)# interface serial 0/1/0 [or interface s1]

Router(config-if)# clock rate 125000

Router(config-if)# bandwidth 64

Router(config)# exit

Router# show interface serial0/1/0 [or s1]

 

Enabling router Interface

 

By default all interfaces on a router are initially disabled. You have to manually enable it by applying no shutdown command as shown here.

 

Router# configure terminal

Router(config)# interface serial 0/1/0 (or s1)

Router(config)# no shutdown [this will enable interface]

Router(config)# exit

Router# show interface serial 0/1/0

 

Disable router Interface

 

By default all interfaces on a router are initially disabled. You have to manually enable it by applying shutdown command as shown here.

 

Router# configure terminal

Router(config)# interface serial 0/1/0 (or s1)

Router(config)# shutdown [this will disable interface]

Router(config)# exit

Router# show interface serial 0/1/0

Configure and assign IP to Interface

 

To assign IP address you need to specify IP address and subnet mark value by applying ip address n,n,n,n n,n,n,n as shown here

Router# configure terminal

Router(config)# interface serial 0/1/0 (or s1)

Router(config)# ip address 192.168.5.1 255.255.255.0

Router(config)# no shutdown

Router(config)# exit

Router# show interface serial 0/1/0

 

Configure Login Banner.

 

The Login banner is displayed before the username login prompts on the router.

 

Router# configure terminal

Router(config)# banner Login #

Enter Text Message. End with the character #.

Attention! If you are not authorized person kindly close your session. Only Authorized users are allowed to access this device. Any one violating this will be subject to prosecution and punishment up to 3 years. #

Router(config)# exit

 

Configure MOTD Banner.

 

The MOTD is displayed to anyone connecting to the router through telnet, console port or auxiliary port.

 

Router# configure terminal

Router(config)# banner modt #

Enter Text Message. End with the character #.

Attention! Only Authorized users are allowed to access this device.#

Router(config)# exit

 

Check DTE/DCE connection.

will show you DTE/DCE connection, Clock speed for serial interface.

Router# show controllers serial 0/1/0

 

 


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