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>30000</noOfUnitsSold>
        <aggregateMarketValue>2852700</aggregateMarketValue>
        <noOfUnitsOutstanding>1255921431</noOfUnitsOutstanding>
        <approxSaleDate>06/17/2025</approxSaleDate>
        <securitiesExchangeName>NYSE</securitiesExchangeName>
      </securitiesInformation>
      <securitiesToBeSold>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <acquiredDate>12/29/2024</acquiredDate>
        <natureOfAcquisitionTransaction>Gift</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Kenneth Duda</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>Y</isGiftTransaction>
        <donarAcquiredDate>11/01/2004</donarAcquiredDate>
        <amountOfSecuritiesAcquired>30000</amountOfSecuritiesAcquired>
        <paymentDate>12/29/2024</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>04/07/2025</saleDate>
        <amountOfSecuritiesSold>80000</amountOfSecuritiesSold>
        <grossProceeds>5342981</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>05/06/2025</saleDate>
        <amountOfSecuritiesSold>80000</amountOfSecuritiesSold>
        <grossProceeds>7205792</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>04/07/2025</saleDate>
        <amountOfSecuritiesSold>32000</amountOfSecuritiesSold>
        <grossProceeds>2137193</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>05/06/2025</saleDate>
        <amountOfSecuritiesSold>32000</amountOfSecuritiesSold>
        <grossProceeds>2882316</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>04/07/2025</saleDate>
        <amountOfSecuritiesSold>32000</amountOfSecuritiesSold>
        <grossProceeds>2137193</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>05/06/2025</saleDate>
        <amountOfSecuritiesSold>32000</amountOfSecuritiesSold>
        <grossProceeds>2882316</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>04/07/2025</saleDate>
        <amountOfSecuritiesSold>16000</amountOfSecuritiesSold>
        <grossProceeds>1068596</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>05/06/2025</saleDate>
        <amountOfSecuritiesSold>16000</amountOfSecuritiesSold>
        <grossProceeds>1441158</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 Founder Shares  acquired by Kenneth Duda.</remarks>
      <noticeSignature>
        <noticeDate>06/17/2025</noticeDate>
        <planAdoptionDates>
          <planAdoptionDate>03/13/2025</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": 8415}]
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
  30000
  2852700
  1255921431
  06/17/2025
  NYSE
  Common
  12/29/2024
  Gift
  Kenneth Duda
  Y
  11/01/2004
  30000
  12/29/2024
  NA
  N
  Kenneth Duda
  C/O Issuer
  5453 Great America Parkway
  Santa Clara
  CA
  95054
  Common
  04/07/2025
  80000
  5342981
  Kenneth Duda
  C/O Issuer
  5453 Great America Parkway
  Santa Clara
  CA
  95054
  Common
  05/06/2025
  80000
  7205792
  Molly Hsu-Mei Duda 2017 Trust
  C/O Issuer
  5453 Great America Parkway
  Santa Clara
  CA
  95054
  Common
  04/07/2025
  32000
  2137193
  Molly Hsu-Mei Duda 2017 Trust
  C/O Issuer
  5453 Great America Parkway
  Santa Clara
  CA
  95054
  Common
  05/06/2025
  32000
  2882316
  Sophie Hsu-Tsen Duda 2017 Trust
  C/O Issuer
  5453 Great America Parkway
  Santa Clara
  CA
  95054
  Common
  04/07/2025
  32000
  2137193
  Sophie Hsu-Tsen Duda 2017 Trust
  C/O Issuer
  5453 Great America Parkway
  Santa Clara
  CA
  95054
  Common
  05/06/2025
  32000
  2882316
  Foundation for Truth, Justice, and Compassion
  C/O Issuer
  5453 Great America Parkway
  Santa Clara
  CA
  95054
  Common
  04/07/2025
  16000
  1068596
  Foundation for Truth, Justice, and Compassion
  C/O Issuer
  5453 Great America Parkway
  Santa Clara
  CA
  95054
  Common
  05/06/2025
  16000
  1441158
  The Shares filed today will be sold by Foundation for Truth Justice and Compassion. Jennifer Duda as President. This filing is for Founder Shares  acquired by Kenneth Duda.
  06/17/2025
  03/13/2025
  /s/ J.P. Morgan Securities LLC as agent and attorney-in-fact for Kenneth Duda