Connecting to the IOS Command Line Interface

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First we are study   in Switch configuration

They have  Three modes

user mode 

press  enable  

go 

to    

Privilege mode

press configure terminal

NOW YOUR IN Configuration Mode

Basic Configuration Mode

Learning Objectives Upon completion of this lab, you will be able to: 

 • Examine and verify the default configuration

 • Create a basic switch configuration, including a name and an IP address

 • Configure passwords to ensure that access to the CLI is secured

 • Configure switch port speed and duplex properties for an interface 

• Configure basic switch port security • Manage the MAC address table 

• Assign static MAC addresses

 • Add and move hosts on a switch 

Verify the Default Switch Configuration

Step 1

:

 Enter privileged mode.

           Switch>enable 

Switch# 

Step 2

Display Cisco IOS information.

Switch#show version

Step 3 :

 Examine VLAN information.   

Switch#show vlan 

Task 3: 

Create a Basic Switch Configuration 

Step 1: Assign a name to the switch, you configured the hostname. 

Here's a review of the commands used. 

          

          S1#configure terminal

              S1(config)#hostname S1

 S1(config)#exit 

Step 2: Set the access passwords. Enter config-line mode for the console. Set the login password to cisco. Also configure the vty lines 0 to 15 with the password cisco.

 S1#configure terminal Enter the configuration commands, one for each line. When you are finished, return to global configuration mode by entering the exit command or pressing Ctrl-Z.

       S1(config)#line console 0

                S1(config-line)#password cisco 

S1(config-line)#login 

           S1(config-line)#line vty 0 15 

                S1(config-line)#password cisco  

 S1(config-line)#login 

S1(config-line)#exit 

Step 3: 

Verify the management LANs settings. Verify the interface settings on VLAN 99. 

S1#show interface vlan 99

Step 4: 

S1(config)#vlan 99 

S1(config-vlan)#exit

 S1(config)#interface vlan99 %LINEPROTO-5-UPDOWN: Line protocol on Interface Vlan99, changed state to down

 S1(config-if)#ip address 172.17.99.11 255.255.255.0 

S1(config-if)#no shutdown