Configuring VLANs and Trunks(3.3.4)

Learning Objectives

1.View the default VLAN configuration.

2.Configure VLANs.

3.Assign VLANs to ports.

4.Configure trunking.

setting on S1
go to CLI

S1#config t

S1(config)#vlan 10

S1(config-vlan)#name Faculty/Staff

S1(config-vlan)#vlan 20

S1(config-vlan)#name Students

S1(config-vlan)#vlan 30

S1(config-vlan)#name Guest(Default)

S1(config-vlan)#vlan 99

S1(config-vlan)#name Management&Native

S1(config-vlan)#end

S1#show vlan brief

S1#conf t

S1(config)#interface FastEthernet 0/1

S1(config-if)#switchport mode trunk

S1(config-if)#switchport trunk native vlan 99

S1(config-if)#interface FastEthernet 0/3

S1(config-if)#switchport mode trunk

S1(config-if)#switchport trunk native vlan 99

setting on S2
go to CLI

S2#config t

S2(config)#vlan 10

S2(config-vlan)#name Faculty/Staff

S2(config-vlan)#vlan 20

S2(config-vlan)#name Students

S2(config-vlan)#vlan 30

S2(config-vlan)#name Guest(Default)

S2(config-vlan)#vlan 99

S2(config-vlan)#name Management&Native

S2(config-vlan)#end

S2#show vlan brief

S2#config t

S2(config)#interface fastEthernet 0/6

S2(config-if)#switchport mode access

S2(config-if)#switchport access vlan 30

S2(config-if)#interface fastEthernet 0/11

S2(config-if)#switchport mode access

S2(config-if)#switchport access vlan 10

S2(config-if)#interface fastEthernet 0/18

S2(config-if)#switchport mode access

S2(config-if)#switchport access vlan 20

S2#conf t

S2(config)#interface FastEthernet 0/1

S2(config-if)#switchport mode trunk

S2(config-if)#switchport trunk native vlan 99

setting on S3
go to CLI

S3#conf t

S3(config)#vlan 10

S3(config-vlan)#name Faculty/Staff

S3(config-vlan)#vlan 20

S3(config-vlan)#name Students

S3(config-vlan)#vlan 30

S3(config-vlan)#name Guest(Default)

S3(config-vlan)#vlan 99

S3(config-vlan)#name Management&Native

S3(config-vlan)#end

S3#show vlan brief

S3#conf t

S3(config)#interface fastEthernet 0/6

S3(config-if)#switchport mode access

S3(config-if)#switchport access vlan 30

S3(config-if)#interface fastEthernet 0/11

S3(config-if)#switchport mode access

S3(config-if)#switchport access vlan 10

S3(config-if)#interface fastEthernet 0/18

S3(config-if)#switchport mode access

S3(config-if)#switchport access vlan 20

S3#conf t

S3(config-if)#int fa0/3

S3(config-if)#switchport mode trunk

S3(config-if)#switchport trunk native vlan 99