Date: March 14, 2025

Software Version: EOS 4.28

Description:

The Arista EOS Life Cycle policy defines a 36 month lifecycle for each major release train. The EOS 4.28 software train will reach the 36 month timeline on April 18th, 2025. At that time, EOS 4.28 will be considered End of Support for all product families except the DCS-7050X, DCS-7050X2, DCS-7300X and DCS-7010T series. There will be no further official support on this software version from Arista, except for the products listed above. This notice is intended to serve as a reminder of this upcoming event.

EOS 4.28 is the last supported release train for the DCS-7050X, DCS-7050X2, DCS-7300X and DCS-7010T series products as documented in the End of software support for 7050X/X2, 7300X and 7010T series notice.

Customers running EOS 4.28 should work with their Arista sales team to discuss possible upgrade options. In addition, a general EOS upgrade recommendation can be found at: Software Downloads page.

For More Information

About Arista's EOS/EOL policies and/or to obtain an explanation of terms used in this announcement, please refer to the Arista Product Life Cycle Policy. If you require further assistance, or if you have any further questions regarding this notice, please contact the Arista Networks Technical Assistance Center (TAC) by one of the following methods:

  • Open a Service Request
  • By email: This email address is being protected from spambots. You need JavaScript enabled to view it.
  • By telephone: A complete list of contact information for TAC assistance
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