Both are supported in the latest EOS release available (4.24.1F). If you want to double-check this information for upcoming EOS releases and/or other platforms, you can check the 'Supported Hardware' section in the EOS release notes.
I noticed on one of the switch the current software is named EOS-4.19.0F.swi. Can i just download vEOS-lab-4.23.3M.swi to update it ?
If you are planning to upgrade EOS on a physical switch, you should not use vEOS-lab image. This version is supposed to be used for lab virtualisation, testing features, etc. Therefore, you should look for the 'regular' .swi EOS image available on the software download page when logged with your customer account: https://www.arista.com/en/support/software-download Regarding the particular software version, Arista provides a general recommendation regarding software releases that can be found here: Software Download/Recommended Releases https://www.arista.com/en/support/software-download#datatab300 However, I would suggest discussing the upgrade options with your local Arista System Engineer (SE) for more detailed recommendations regarding software versions. More information that may be useful: End of Software Support for EOS 4.19 https://www.arista.com/en/support/advisories-notices/end-of-support/8318-end-of-software-support-for-eos-4-19 EOS Life Cycle Policy https://www.arista.com/en/support/product-documentation/eos-life-cycle-policy
The vEOS-lab extends the same EOS platform from Arista’s award winning physical switching product line to the VM-based hypervisor platforms. With vEOS-lab, Arista goes beyond APIs and development environments to make a programmable network accessible for any organization in a virtual environment. Customers can use vEOS-lab for network design and validation of EOS images, rapid development and testing of EOS, and as a tool for training initiatives.
The above simply means vEOS is a software that you can load in VM-based hypervisor platforms that you can use to emulate Arista platforms running EOS within VM environment, it's not meant for use on any actual hardware platforms. You need the actual EOS, for example, the actual name if the image would be "EOS-4.23.3M.swi".
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