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We consent to the incorporation by reference in the Registration Statement (Form S-8) pertaining to the 2014 Employee Stock Purchase Plan of Arista Networks, Inc. of our reports dated February 12, 2024, with respect to the consolidated financial statements of Arista Networks, Inc. and the effectiveness of internal control over financial reporting of Arista Networks, Inc. included in its Annual Report (Form 10-K) for the year ended December 31, 2023, filed with the Securities and Exchange Commission.