In your CCNA experiences, you uncovered out about PortFast and the problem it can induce if set up on the incorrect port! Correct just for swap ports joined straight to a one host, PortFast will allow for a port managing STP to go straight from blocking to forwarding method.A Cisco router will provide you a warning when you configure PortFast:SW1( config) #int rapid /fiveSW1( config-if)...