Wednesday, 12 September 2012

Lab 5 - IP Addressing

Lab 4 - Router Password Recovery

Lab 0 - Ethernet Cables

There are 3 types of Ethernet cables:

1) Straight-through Cable
2) Crossover Cable
3) Rolled Cable

Lab 3 - Cisco Discovery Protocol (CDP)

Cisco Discovery Protocol (CDP)  is a cisco proprietary protocol. This protocol is used to find the addresses of neighboring devices and platform of those devices.

Configure Router 1 (R1)
Router>enable
Router#configure terminal
Router(config)#hostname R1
R1(config)#enable password 123
R1(config)#enable secret 123
R1(config)#line vty 0 4 
R1(config-line)#login
R1(config-line)#password 123
R1(config-line)#exit
R1(config)#service password-encryption 
R1(config)#interface serial 0/0/0
R1(config-if)#ip address 10.10.10.1 255.255.255.0
R1(config-if)#clock rate 64000
R1(config-if)#no shutdown


To be continue...

Lab 2 - Router Port/Interface Basic Setting

Configuration
--------------
Router>enable
Router#configure terminal
Router(config)#interface fastehternet0/0
Router(config-if)#ip address 192.168.1.1 255.255.255.0
Router(config-if)#no shutdown
Router(config-if)#exit
Router(config)#banner motd @
"Welcome To Network Wonderland" @
Router(config)#interface serial0/0/0
Router(config-if)#ip address 200.200.200.1 255.255.255.0
Router(config-if)#description "This is a serial port"
Router(config-if)#end
Router#copy running-config start-config
Destination filename[startuo-config]?
Building configuration
[OK]
Router#


Lab 1 - Hostname and Password

Configuration :
==========
Router>enable
Router#configure terminal
Router(config)#hostname R1
R1(config)#enable password cisco
R1(config)#enable secret cisco
R1(config)#line vty 0
R1(config-line)#login
R1(config-line)#password 123
R1(config-line)#exit
R1(config)#service password-encryption

Explanation:
enable secret cisco
-------------------
Set router encryption password, the password will not be dsiplayed when viewing the configuration file.

service password-encryption
-----------------------------
Encrypting passwords on your router so the password can not be easily hacked from your configuration(running-config).But not a strong encryption type.



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