## Software Requirements

All MDS switches in the SME cluster must be running the current release of Cisco SAN-OS Release 3.2(2c) or later, or Cisco NX-OS 4.x or later software for SME Tape. Cisco NX-OS Release 5.2(1) or later software is required for SME Disk. The software requirements include the following:

• DCNM-SAN must be running Cisco SAN-OS Release 3.2(2c) or later or Cisco NX-OS Release 4.x or later for SME Tape.

• The Cisco MDS switches attached to tape devices must be running Cisco SAN-OS Release 3.2(2c) or later or Cisco NX-OS Release 4.x or later for SME Tape.

• All switches that include MSM-18/4 modules must be running Cisco SAN-OS Release 3.2(2c) or later or Cisco NX-OS Release 4.x or later software for SME Tape.

• DCNM-SAN must be running Cisco NX-OS Release 5.2(1) for SME Disk.

• All Cisco MDS switches in the SME cluster enabled for disks must be running Cisco NX-OS Release 5.2(1).

• All switches that include MSM-18/4 modules, MDS 9222i switch or SSN-16 modules must be running Cisco NX-OS Release 5.2(1) for SME Disk.