https://software.cisco.com/download/home/286313172/type/286224007/release/6.6.3
ncs5500-goldenk9-x-6.6.3-SPGISO0001.tar = ec0a077b08424c4497651c7a8fb28b51
ncs5500-6.6.3.k9-sp2.tar = 545d1666acdcdaa5ade203d46828709e
ncs5500-6.6.3.k9-sp1.tar = 47c308c3912df7808ef6d52708346b9b