Applies to ONTAP SAN Brocade FOS 6 Answer When updating FOS 6.x. to 7.4 you need interim version 7.0.x, 7.2.x, and 7.3x to complete the upgrades For version 7.0.x, 7.1.x, 7.2.x, and 7.3x Dependi... Applies to ONTAP SAN Brocade FOS 6 Answer When updating FOS 6.x. to 7.4 you need interim version 7.0.x, 7.2.x, and 7.3x to complete the upgrades For version 7.0.x, 7.1.x, 7.2.x, and 7.3x Depending on contract purchased please contact Broadcom Support or NetApp Technical Support How to obtain Brocade Fabric OS from NetApp How to upgrade Brocade switch firmware Additional Information For further assistance, contact NetApp Technical Support and reference this article