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QUESTION
(a) What do you understand by a VLAN? Provide one advantage of using a VLAN.
(b) What is a trunk port in a VLAN?
(c) A VLAN will be created using one or more switches. Consider we have switch A and switch B. Analyse the given configurations of switch A and switch B.Show a diagram to show the correct interpretation of the configurations for the creation of VLANs. Consider that switch A and B have twelve ports each.
SwitchA(config)#configure terminal SwitchA(config)#vlan 2 SwitchA(config)#vlan 2 name marketing SwitchA(config)#vlan 3 SwitchA(config)#vlan 3 name management SwitchA(config)#exit SwitchA(config)#configure terminal SwitchA(config)#interface fastethernet 0/4 SwitchA(config-if)#switchport access vlan 2 SwitchA(config-if)#exit SwitchA(config)#interface fastethernet 0/5 SwitchA(config-if)#switchport access vlan 2 SwitchA(config-if)#exit SwitchA(config)#configure terminal SwitchA(config)#interface fastethernet 0/11 SwitchA(config-if)#switchport access vlan 3 SwitchA(config-if)#exit SwitchA(config)#interface fastethernet 0/12 SwitchA(config-if)#switchport access vlan 3 SwitchA(config-if)#exit SwitchB(config)#configure terminal SwitchB(config)#vlan 2 SwitchB(config)#vlan 2 name marketing SwitchB(config)#vlan 3 SwitchB(config)#vlan 3 name management SwitchB(config)#exit SwitchB(config)#configure terminal SwitchB(config)#interface fastethernet 0/2 SwitchB(config-if)#switchport access vlan 2 SwitchB(config-if)#exit SwitchB(config)#interface fastethernet 0/3 SwitchB(config-if)#switchport access vlan 2
SwitchB(config-if)#exit SwitchB(config)#configure terminal SwitchB(config)#interface fastethernet 0/4 SwitchB(config-if)#switchport access vlan 3 SwitchB(config-if)#exit SwitchB(config)#interface fastethernet 0/5 SwitchB(config-if)#switchport access vlan 3 SwitchB(config-if)#exit SwitchA(config)#configure terminal SwitchA(config)#interface fastethernet 0/1 SwitchA(config-if)#switchport mode trunk SwitchA(config-if)#switchport trunk encapsulation isl SwitchA(config-if)#end SwitchB(config)#interface fastethernet 0/1 SwitchB(config-if)#switchport mode trunk SwitchB(config-if)#switchport trunk encapsulation isl SwitchB(config-if)#end (d) VLAN trunking protocol is a Cisco proprietary protocol. Explain the three modes of VTP switches.
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