MDS Firmware Upgrade Path

[Erwin1]

Hello Everyone,

We had a bunch of MDS 9148 switches all still with the default firmware version from install. (5.x) (6.x).

We plan to upgrade them all to latest version, are there any upgrade path that I should follow? Or I can just upgrade them into the latest version regardless of current version.

Thanks in advance.

[cassiolange · Accepted solution]

Hello Evewin,

On release notes you have a Nondisruptive Upgrade Path. 

Sample for version 6.2(23)

https://www.cisco.com/c/en/us/td/docs/switches/datacenter/mds9000/sw/6_2/release/notes/nx-os/mds_nxos_rn_6_2_23.html

Regards,

[cco-trecom]

I have a question regarding this issue. I also found that Release Notes link with Table 12

https://www.cisco.com/c/en/us/td/docs/switches/datacenter/mds9000/sw/6_2/release/notes/nx-os/mds_nxos_rn_6_2_29.html#34734

On the Software Upgrade and Downgrade Guide though it stands:

If your switch is running software that is earlier than Cisco NX-OS Release 5.2(x), you must upgrade to Release 6.2(x). Follow this upgrade path:

Release 5.0(x): upgrade to 5.2(x), and then upgrade to 6.2(x).
Release 4.1(x) or release 4.2(x): upgrade to Release 5.0(x), upgrade to Release 5.2(x) and then upgrade to Release 6.2(x).
Release 3.3(2), Release 3.3(3), Release 3.3(4x), and Release 3.3(5x), upgrade to release 4.1(x) or Release 4.2(x), then upgrade to Release 5.0(x), and then upgrade to Release 5.2(x), and then upgrade to 6.2(x).
Release 3.3(1c), all Release 3.2(x), all Release 3.1(x), and all Release 3.0(x), upgrade to release 3.3(5b), then upgrade to release 4.1(x) or release 4.2(x), then upgrade to Release 5.0(x), and then upgrade to Release 5.2(x), and then upgrade to 6.2(x).

Link below:

https://www.cisco.com/c/en/us/td/docs/switches/datacenter/mds9000/sw/6_2/upgrade/guides/nx-os/upgrade.html#65779

Which one is correct?

BR