We are about to upgrade our Arista switches to address the newest vulnerabilities that came out recently, and I have a few questions I’m hoping you can help with.
Some of our switches are on older hardware. Is there a table somewhere that lists the highest code level a particular platform can run? Will all newer code releases run on all older hardware?
Some of our switches are running very old code. Does SSU work on very old code (say, 4.5)? Assuming not, what is the upgrade path to get these switches up to 4.14…? Do I have to upgrade to 4.6, 4.7, 4.8, etc, or can I go straight to 4.14?
Trey – Based on the scope of the questions you have I would encourage you to open a case with the Arista TAC team, a quick email to email@example.com with your question is all it takes to start the process.
As Mark said, the TAC could help with your complex considerations, but just for general awareness, the Release Notes include lot of this information:
- Supported Hardware: tells you which hardware is supported by the EOS version the release notes related to (e.g. ReleaseNotes 4.15.3F show which hardware is supported by 4.15.3.F). If you hardware is not in the list then it would not be supported.
- MLAG ISSU Version Compatibility Matrix (around page 19, depending on the doc versions)
- Important Notes Regarding Upgrading to EOS
The Release Notes can be found along the Manual and the EOS software image in the download section at arista.com/support (login required).
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