See the solution below in Explanation:
Solution:
Solution on R1:
R1# copy run start
Verification:
OR
R2
R3
Copy run start
R1
config
flow exporter Export-NetFlowENCOR
transport udp 2055
ip sla schedule 100 life forever start-time now
wr
Sw1
monitor session 11 source interface e0/2
monitor session 11 destination interface et1/1