VLAN (Virtual Local Area Configuration)

1. Vlan is used for to set the security in switch 

2. Vlan is provide to communicate particular PC its particular PC

3. Vlan are of three type

        a Simple Vlan

        b Different Vlan

        c Inter Vlan

In simple Vlan only one vlan is create.

In Different Vlan two or more then two Vlan is create

In Inter Vlan connection between two or more network and two or more vlan is created.

Diagram

Basic Configuration:- Give ip address to all pc's

Switching Configuration:- Go to switch

Switch>enable
Switch#config terminal

Switch(config)#hostname s1   

First create vlan
s1(config)#vlan 10           
s1(config-vlan)#name iant
s1(config-vlan)#exit

Now add fast ethernet in Vlan

s1(config)#int f0/1
s1(config-if)#switchport mode access
s1(config-if)#switch access vlan 10

s1(config)#int f0/4
s1(config-if)#switchport mode access
s1(config-if)#switchport access vlan 10
s1(config-if)#exit

s1(config)#int f0/7
s1(config-if)#switchport mode access
s1(config-if)#switchport access vlan 10
s1(config-if)#exit

Send package from pc's

1. allvlan pc's does not send package to other pc's
2. all other pc's does not send package to vlan pc's
3. only non-vlan success send package to each other and vlan pc's send package to each other.

As Shown in the Diagram