UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 14A INFORMATION

PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE

SECURITIES EXCHANGE ACT OF 1934

(AMENDMENT NO.    )

Filed by the Registrant  ☒                                 

Filed by a Party other than the Registrant  ☐

Check the appropriate box:

☐	Preliminary Proxy Statement
☐	Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))
☐	Definitive Proxy Statement
☒	Definitive Additional Materials
☐	Soliciting Material Under §240.14a-12

ARISTA NETWORKS, INC.

(Name of Registrant as Specified In Its Charter)

(Name of Person(s) Filing Proxy Statement, if other than Registrant)

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☒	No fee required.
☐	Fee paid previously with preliminary materials.
☐	Fee computed on table in exhibit required by Item 25(b) per Exchange Act Rules 14a-6(i)(1) and 0-11.

You invested in ARISTA NETWORKS, INC. and it’s time to vote!

You have the right to vote on proposals being presented at the Annual Meeting. This is an important notice regarding the availability of proxy material for the stockholder meeting to be held on June 14, 2023.

Get informed before you vote

View the Notice and Proxy Statement and Annual Report online OR you can receive a free paper or email copy of the material(s) by requesting prior to May 31, 2023. If you would like to request a copy of the material(s) for this and/or future stockholder meetings, you may (1) visit www.ProxyVote.com, (2) call 1-800-579-1639 or (3) send an email to sendmaterial@proxyvote.com. If sending an email, please include your control number (indicated below) in the subject line. Unless requested, you will not otherwise receive a paper or email copy.

Smartphone users		Vote Virtually at the Meeting*
Point your camera here and		June 14, 2023
vote without entering a		11:00 AM PDT
control number
	Virtually at: www.virtualshareholdermeeting.com/ANET2023

*Please check the meeting materials for any special requirements for meeting attendance.

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Vote at www.ProxyVote.com

THIS IS NOT A VOTABLE BALLOT

This communication is not a form for voting and presents only an overview of the more complete proxy materials, which contain important information and are available to you on the Internet or by mail. We encourage you to access and review the proxy materials before voting. Please follow the instructions on the reverse side to vote these important matters.

			Board
Voting Items			Recommends
1.	Election of Directors
	Nominees:
	01)	Lewis Chew		For
	02)	Douglas Merritt
	03)	Mark B. Templeton
2.	Approval, on an advisory basis, of the compensation of the named executive officers.			For
3.	To ratify the appointment of Ernst & Young LLP as our independent registered public accounting firm for our fiscal year ending December 31, 2023.			For
NOTE: Such other business as may properly come before the meeting or any adjournment thereof.

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