Solution:
R2
show ip access-list
config t
ip access-list extended 151
5 permit eigrp any any
wr
R3
config t
ip access-list extended 100
permit tcp 192.168.211.0 0.0.0.255 any eq 22
class-map match-any SSH
match access-group 100
policy-map CoPP
class SSH
police 8000 conform-action transmit exceed-action drop
control-plane
service-policy input CoPP
wr