Set Load Balancing Mode = Address Hash

1. Set 

port-channel load-balance src-dst-mac

2) 

interface Port-channel3
description %portchannelname%
switchport mode access
switchport nonegotiate
end

3)

interface GigabitEthernet2/0/17
switchport mode access
switchport nonegotiate
channel-protocol lacp
channel-group 3 mode active
spanning-tree portfast
end