content: <?xml version="1.0" encoding="UTF-8"?><edgarSubmission xmlns="http://www.sec.gov/edgar/ownership" xmlns:com="http://www.sec.gov/edgar/common">
    <!-- Generated by Workiva -->
    <headerData>
      <submissionType>144</submissionType>
      <filerInfo>
        <filer>
          <filerCredentials>
            <cik>0001605808</cik>
            <ccc>XXXXXXXX</ccc>
          </filerCredentials>
        </filer>
        <liveTestFlag>LIVE</liveTestFlag>
  
  
  
      </filerInfo>
    </headerData>
    <formData>
      <issuerInfo>
        <issuerCik>0001596532</issuerCik>
        <issuerName>Arista Networks, Inc.</issuerName>
        <secFileNumber>001-36468</secFileNumber>
        <issuerAddress>
          <com:street1>5453 Great America Parkway</com:street1>
          <com:city>Santa Clara</com:city>
          <com:stateOrCountry>CA</com:stateOrCountry>
          <com:zipCode>95054</com:zipCode>
        </issuerAddress>
        <issuerContactPhone>408-547-5500</issuerContactPhone>
        <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>Kenneth Duda</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
        <relationshipsToIssuer>
          <relationshipToIssuer>Officer</relationshipToIssuer>
        </relationshipsToIssuer>
      </issuerInfo>
      <securitiesInformation>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <brokerOrMarketmakerDetails>
          <name>J.P. Morgan Securities LLC</name>
          <address>
            <com:street1>360 Madison Avenue - 6th Floor</com:street1>
            <com:city>New York</com:city>
            <com:stateOrCountry>NY</com:stateOrCountry>
            <com:zipCode>10017</com:zipCode>
          </address>
        </brokerOrMarketmakerDetails>
        <noOfUnitsSold>16000</noOfUnitsSold>
        <aggregateMarketValue>6304000</aggregateMarketValue>
        <noOfUnitsOutstanding>314152875</noOfUnitsOutstanding>
        <approxSaleDate>10/07/2024</approxSaleDate>
        <securitiesExchangeName>NYSE</securitiesExchangeName>
      </securitiesInformation>
      <securitiesToBeSold>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <acquiredDate>09/13/2023</acquiredDate>
        <natureOfAcquisitionTransaction>Grantor Annuity Trust distribution</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Kenneth and Jennifer Duda</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>16000</amountOfSecuritiesAcquired>
        <paymentDate>08/20/2021</paymentDate>
        <natureOfPayment>NA</natureOfPayment>
      </securitiesToBeSold>
      <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
      <securitiesSoldInPast3Months>
        <sellerDetails>
          <name>Kenneth Duda</name>
          <address>
            <com:street1>C/O Issuer</com:street1>
            <com:street2>5453 Great America Parkway</com:street2>
            <com:city>Santa Clara</com:city>
            <com:stateOrCountry>CA</com:stateOrCountry>
            <com:zipCode>95054</com:zipCode>
          </address>
        </sellerDetails>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <saleDate>07/08/2024</saleDate>
        <amountOfSecuritiesSold>20000</amountOfSecuritiesSold>
        <grossProceeds>7414055</grossProceeds>
      </securitiesSoldInPast3Months>
      <securitiesSoldInPast3Months>
        <sellerDetails>
          <name>Kenneth Duda</name>
          <address>
            <com:street1>C/O Issuer</com:street1>
            <com:street2>5453 Great America Parkway</com:street2>
            <com:city>Santa Clara</com:city>
            <com:stateOrCountry>CA</com:stateOrCountry>
            <com:zipCode>95054</com:zipCode>
          </address>
        </sellerDetails>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <saleDate>08/26/2024</saleDate>
        <amountOfSecuritiesSold>20000</amountOfSecuritiesSold>
        <grossProceeds>6927960</grossProceeds>
      </securitiesSoldInPast3Months>
      <securitiesSoldInPast3Months>
        <sellerDetails>
          <name>Kenneth Duda</name>
          <address>
            <com:street1>C/O Issuer</com:street1>
            <com:street2>5453 Great America Parkway</com:street2>
            <com:city>Santa Clara</com:city>
            <com:stateOrCountry>CA</com:stateOrCountry>
            <com:zipCode>95054</com:zipCode>
          </address>
        </sellerDetails>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <saleDate>09/06/2024</saleDate>
        <amountOfSecuritiesSold>20000</amountOfSecuritiesSold>
        <grossProceeds>6348006</grossProceeds>
      </securitiesSoldInPast3Months>
      <securitiesSoldInPast3Months>
        <sellerDetails>
          <name>Molly Hsu-Mei Duda 2017 Trust</name>
          <address>
            <com:street1>C/O Issuer</com:street1>
            <com:street2>5453 Great America Parkway</com:street2>
            <com:city>Santa Clara</com:city>
            <com:stateOrCountry>CA</com:stateOrCountry>
            <com:zipCode>95054</com:zipCode>
          </address>
        </sellerDetails>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <saleDate>07/08/2024</saleDate>
        <amountOfSecuritiesSold>8000</amountOfSecuritiesSold>
        <grossProceeds>2965622</grossProceeds>
      </securitiesSoldInPast3Months>
      <securitiesSoldInPast3Months>
        <sellerDetails>
          <name>Molly Hsu-Mei Duda 2017 Trust</name>
          <address>
            <com:street1>C/O Issuer</com:street1>
            <com:street2>5453 Great America Parkway</com:street2>
            <com:city>Santa Clara</com:city>
            <com:stateOrCountry>CA</com:stateOrCountry>
            <com:zipCode>95054</com:zipCode>
          </address>
        </sellerDetails>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <saleDate>08/26/2024</saleDate>
        <amountOfSecuritiesSold>8000</amountOfSecuritiesSold>
        <grossProceeds>2771184</grossProceeds>
      </securitiesSoldInPast3Months>
      <securitiesSoldInPast3Months>
        <sellerDetails>
          <name>Molly Hsu-Mei Duda 2017 Trust</name>
          <address>
            <com:street1>C/O Issuer</com:street1>
            <com:street2>5453 Great America Parkway</com:street2>
            <com:city>Santa Clara</com:city>
            <com:stateOrCountry>CA</com:stateOrCountry>
            <com:zipCode>95054</com:zipCode>
          </address>
        </sellerDetails>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <saleDate>09/06/2024</saleDate>
        <amountOfSecuritiesSold>8000</amountOfSecuritiesSold>
        <grossProceeds>2539202</grossProceeds>
      </securitiesSoldInPast3Months>
      <securitiesSoldInPast3Months>
        <sellerDetails>
          <name>Sophie Hsu-Tsen Duda 2017 Trust</name>
          <address>
            <com:street1>C/O Issuer</com:street1>
            <com:street2>5453 Great America Parkway</com:street2>
            <com:city>Santa Clara</com:city>
            <com:stateOrCountry>CA</com:stateOrCountry>
            <com:zipCode>95054</com:zipCode>
          </address>
        </sellerDetails>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <saleDate>07/08/2024</saleDate>
        <amountOfSecuritiesSold>8000</amountOfSecuritiesSold>
        <grossProceeds>2965622</grossProceeds>
      </securitiesSoldInPast3Months>
      <securitiesSoldInPast3Months>
        <sellerDetails>
          <name>Sophie Hsu-Tsen Duda 2017 Trust</name>
          <address>
            <com:street1>C/O Issuer</com:street1>
            <com:street2>5453 Great America Parkway</com:street2>
            <com:city>Santa Clara</com:city>
            <com:stateOrCountry>CA</com:stateOrCountry>
            <com:zipCode>95054</com:zipCode>
          </address>
        </sellerDetails>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <saleDate>08/26/2024</saleDate>
        <amountOfSecuritiesSold>8000</amountOfSecuritiesSold>
        <grossProceeds>2771184</grossProceeds>
      </securitiesSoldInPast3Months>
      <securitiesSoldInPast3Months>
        <sellerDetails>
          <name>Sophie Hsu-Tsen Duda 2017 Trust</name>
          <address>
            <com:street1>C/O Issuer</com:street1>
            <com:street2>5453 Great America Parkway</com:street2>
            <com:city>Santa Clara</com:city>
            <com:stateOrCountry>CA</com:stateOrCountry>
            <com:zipCode>95054</com:zipCode>
          </address>
        </sellerDetails>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <saleDate>09/06/2024</saleDate>
        <amountOfSecuritiesSold>8000</amountOfSecuritiesSold>
        <grossProceeds>2539202</grossProceeds>
      </securitiesSoldInPast3Months>
      <securitiesSoldInPast3Months>
        <sellerDetails>
          <name>Foundation for Truth, Justice, and Compassion</name>
          <address>
            <com:street1>C/O Issuer</com:street1>
            <com:street2>5453 Great America Parkway</com:street2>
            <com:city>Santa Clara</com:city>
            <com:stateOrCountry>CA</com:stateOrCountry>
            <com:zipCode>95054</com:zipCode>
          </address>
        </sellerDetails>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <saleDate>07/08/2024</saleDate>
        <amountOfSecuritiesSold>4000</amountOfSecuritiesSold>
        <grossProceeds>1482811</grossProceeds>
      </securitiesSoldInPast3Months>
      <securitiesSoldInPast3Months>
        <sellerDetails>
          <name>Foundation for Truth, Justice, and Compassion</name>
          <address>
            <com:street1>C/O Issuer</com:street1>
            <com:street2>5453 Great America Parkway</com:street2>
            <com:city>Santa Clara</com:city>
            <com:stateOrCountry>CA</com:stateOrCountry>
            <com:zipCode>95054</com:zipCode>
          </address>
        </sellerDetails>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <saleDate>08/26/2024</saleDate>
        <amountOfSecuritiesSold>4000</amountOfSecuritiesSold>
        <grossProceeds>1385592</grossProceeds>
      </securitiesSoldInPast3Months>
      <securitiesSoldInPast3Months>
        <sellerDetails>
          <name>Foundation for Truth, Justice, and Compassion</name>
          <address>
            <com:street1>C/O Issuer</com:street1>
            <com:street2>5453 Great America Parkway</com:street2>
            <com:city>Santa Clara</com:city>
            <com:stateOrCountry>CA</com:stateOrCountry>
            <com:zipCode>95054</com:zipCode>
          </address>
        </sellerDetails>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <saleDate>09/06/2024</saleDate>
        <amountOfSecuritiesSold>4000</amountOfSecuritiesSold>
        <grossProceeds>1269601</grossProceeds>
      </securitiesSoldInPast3Months>
      <remarks>The Shares filed today will be sold by Foundation for Truth Justice and Compassion. Jennifer Duda as President.  This filing  is for Restricted Stock Units  acquired by Kenneth Dudai between November 30, 2010 and August 20, 2021.</remarks>
      <noticeSignature>
        <noticeDate>10/07/2024</noticeDate>
        <planAdoptionDates>
          <planAdoptionDate>03/14/2024</planAdoptionDate>
        </planAdoptionDates>
        <signature>/s/ J.P. Morgan Securities LLC as agent and attorney-in-fact for Kenneth Duda</signature>
      </noticeSignature>
    </formData>
  </edgarSubmission>
metadata_documents: [{"type": "144", "sequence": "1", "filename": "primary_doc.xml", "secsgml_size_bytes": 11074}]
text: 144
  0001605808
  XXXXXXXX
  LIVE
  0001596532
  Arista Networks, Inc.
  001-36468
  5453 Great America Parkway
  Santa Clara
  CA
  95054
  408-547-5500
  Kenneth Duda
  Officer
  Common
  J.P. Morgan Securities LLC
  360 Madison Avenue - 6th Floor
  New York
  NY
  10017
  16000
  6304000
  314152875
  10/07/2024
  NYSE
  Common
  09/13/2023
  Grantor Annuity Trust distribution
  Kenneth and Jennifer Duda
  N
  16000
  08/20/2021
  NA
  N
  Kenneth Duda
  C/O Issuer
  5453 Great America Parkway
  Santa Clara
  CA
  95054
  Common
  07/08/2024
  20000
  7414055
  Kenneth Duda
  C/O Issuer
  5453 Great America Parkway
  Santa Clara
  CA
  95054
  Common
  08/26/2024
  20000
  6927960
  Kenneth Duda
  C/O Issuer
  5453 Great America Parkway
  Santa Clara
  CA
  95054
  Common
  09/06/2024
  20000
  6348006
  Molly Hsu-Mei Duda 2017 Trust
  C/O Issuer
  5453 Great America Parkway
  Santa Clara
  CA
  95054
  Common
  07/08/2024
  8000
  2965622
  Molly Hsu-Mei Duda 2017 Trust
  C/O Issuer
  5453 Great America Parkway
  Santa Clara
  CA
  95054
  Common
  08/26/2024
  8000
  2771184
  Molly Hsu-Mei Duda 2017 Trust
  C/O Issuer
  5453 Great America Parkway
  Santa Clara
  CA
  95054
  Common
  09/06/2024
  8000
  2539202
  Sophie Hsu-Tsen Duda 2017 Trust
  C/O Issuer
  5453 Great America Parkway
  Santa Clara
  CA
  95054
  Common
  07/08/2024
  8000
  2965622
  Sophie Hsu-Tsen Duda 2017 Trust
  C/O Issuer
  5453 Great America Parkway
  Santa Clara
  CA
  95054
  Common
  08/26/2024
  8000
  2771184
  Sophie Hsu-Tsen Duda 2017 Trust
  C/O Issuer
  5453 Great America Parkway
  Santa Clara
  CA
  95054
  Common
  09/06/2024
  8000
  2539202
  Foundation for Truth, Justice, and Compassion
  C/O Issuer
  5453 Great America Parkway
  Santa Clara
  CA
  95054
  Common
  07/08/2024
  4000
  1482811
  Foundation for Truth, Justice, and Compassion
  C/O Issuer
  5453 Great America Parkway
  Santa Clara
  CA
  95054
  Common
  08/26/2024
  4000
  1385592
  Foundation for Truth, Justice, and Compassion
  C/O Issuer
  5453 Great America Parkway
  Santa Clara
  CA
  95054
  Common
  09/06/2024
  4000
  1269601
  The Shares filed today will be sold by Foundation for Truth Justice and Compassion. Jennifer Duda as President.  This filing  is for Restricted Stock Units  acquired by Kenneth Dudai between November 30, 2010 and August 20, 2021.
  10/07/2024
  03/14/2024
  /s/ J.P. Morgan Securities LLC as agent and attorney-in-fact for Kenneth Duda