CCNA || cisco Switch virtual LANs (VLANs)|| 2 switch type 2 manually confige

VLAN
You can use virtual LANs (VLANs) to divide the network into separate logical areas. VLANs can also be considered as broadcast domains. Any switch port can belong to a VLAN, and unicast, broadcast, and multicast packets are forwarded and flooded only to end stations in that VLAN.

like commend

#switchport mode trunk
S1(config)#interface fastEthernet 0/1
S1(config-if)#switchport access vlan 10
S1(config-if)#interface fastEthernet 0/2
S1(config-if)#switchport access vlan 20

S1(config)#interface fastEthernet 0/3

S1(config-if)#switchport mode trunk
 

2rd switch config

S2(config)#interface fastEthernet 0/1
S2(config-if)#switchport access vlan 10
S2(config-if)#interface fastEthernet 0/2

S2(config-if)#switchport access vlan 20
S2(config)#interface fastEthernet 0/3
S2(config-if)#switchport mode trunk

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A VLAN is a group of devices on one or more LANs that are configured to communicate as if they were attached to the same wire, when in fact they are located on a number of different LAN segments. Because VLANs are based on logical instead of physical connections, they are extremely flexible

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