Exercise The purpose of this exercise is learn about STPYou will need to install the following software and IOS images before starting the Routers and Switches configuration:GNS3VPCSc3725-adventerprisek9-mz.124-15.T14.imageResources

STP Topology

Change hostnamesSwicth>enableSwitch#configure terminalSwitch(config)#hostname Sw1Sw1#Configuration for each switchSw1#configure terminalSw1(config)#interface range fastEthernet1/1 - 3Sw1(config)#switchport mode trunkSw1(config)#switchport trunk encapsulation dot1qSw1(config)#no shutSw1(config)#exitSave Configurationcopy running-config startup-configclear ConfigurationErase startup-configCLIsSW1-6

Verify Spanning-tree configuration (ports)

Sw1-6#show spanning-treeVerify which is the switch rootSw1-6#show spanning-tree briefModify Spanning-Tree Configuration

Sw3#configure terminalSw3(config)#spanning-tree vlan 1 priority 0Sw3(config)#exitVerify the change in Sw3 Sw3#show spanning-tree brief

Play with the Topology, strip some links.

Activitiesstrip some links and see what happensExplain STP in this exercise