1) Copy the licence from tftp
copy tftp license XX.XX.XX.XX ICX6610-10G-LIC-POD.xml unit 1
2) Verify licence
ICX6610-24 Router#sh license Index License Name Lid License Type Status License Period License Capacity Stack unit 1: 1 ICX6610-10G-LIC-POD XXXXX Normal Active Unlimited 4
3) I realised that after that, the ports dd not automatically come up so I had to change port speeds
interface ethernet 1/3/1 speed-duplex 10G-full ! interface ethernet 1/3/2 speed-duplex 10G-full
4) Walaaa!!!
ICX6610-24 Router#sh int bri Port Link State Dupl Speed Trunk Tag Pvid Pri MAC Name 1/3/1 Up Forward Full 10G None Yes N/A 0 748e.f8e6.XXXC 1/3/2 Up Forward Full 10G None Yes N/A 0 748e.f8e6.XXXC