See the solution below in Explanation: Explanation: Solution: R1 Config t Int et0/0 Ip flow monitor Monitor-R1Flow input Ip flow monitor Monitor-R1Flow output Exit Ip sla 1 Icmp-echo 10.12.1.2 Freq 300 Ip sla schedule 1 life foreve start-time now Sw1 Config t Monitor session 12 source vlan 12 Monitor session 12 destination interface et1/3