content: <?xml version="1.0" encoding="UTF-8"?><edgarSubmission xmlns="http://www.sec.gov/edgar/ownership" xmlns:com="http://www.sec.gov/edgar/common">
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      <submissionType>144</submissionType>
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            <ccc>XXXXXXXX</ccc>
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        <liveTestFlag>LIVE</liveTestFlag>
  
  
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        <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>Ullal Jayshree</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
        <relationshipsToIssuer>
          <relationshipToIssuer>Officer</relationshipToIssuer>
          <relationshipToIssuer>Director</relationshipToIssuer>
        </relationshipsToIssuer>
      </issuerInfo>
      <securitiesInformation>
        <securitiesClassTitle>Common Stock</securitiesClassTitle>
        <brokerOrMarketmakerDetails>
          <name>Fidelity Brokerage Services LLC</name>
          <address>
            <com:street1>245 Summer Street</com:street1>
            <com:city>Boston</com:city>
            <com:stateOrCountry>MA</com:stateOrCountry>
            <com:zipCode>02110</com:zipCode>
          </address>
        </brokerOrMarketmakerDetails>
        <noOfUnitsSold>836</noOfUnitsSold>
        <aggregateMarketValue>299355.13</aggregateMarketValue>
        <noOfUnitsOutstanding>313363097</noOfUnitsOutstanding>
        <approxSaleDate>07/02/2024</approxSaleDate>
        <securitiesExchangeName>NYSE</securitiesExchangeName>
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        <acquiredDate>07/02/2024</acquiredDate>
        <natureOfAcquisitionTransaction>Stock Option Exercise</natureOfAcquisitionTransaction>
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        <isGiftTransaction>N</isGiftTransaction>
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        <paymentDate>07/02/2024</paymentDate>
        <natureOfPayment>Wire</natureOfPayment>
      </securitiesToBeSold>
      <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
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        <sellerDetails>
          <name>2000 Ullal Family Trust</name>
          <address>
            <com:street1>c/o Arista Networks, Inc.</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>
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        <amountOfSecuritiesSold>15000</amountOfSecuritiesSold>
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        <sellerDetails>
          <name>Adeeti Ullal Trust</name>
          <address>
            <com:street1>c/o Arista Networks, Inc.</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>
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        <saleDate>04/02/2024</saleDate>
        <amountOfSecuritiesSold>4500</amountOfSecuritiesSold>
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        <sellerDetails>
          <name>Tarini Ullal Trust</name>
          <address>
            <com:street1>c/o Arista Networks, Inc.</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 Stock</securitiesClassTitle>
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      </securitiesSoldInPast3Months>
      <securitiesSoldInPast3Months>
        <sellerDetails>
          <name>Jayshree Ullal</name>
          <address>
            <com:street1>c/o Arista Networks, Inc.</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 Stock</securitiesClassTitle>
        <saleDate>04/02/2024</saleDate>
        <amountOfSecuritiesSold>1500</amountOfSecuritiesSold>
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        <sellerDetails>
          <name>2000 Ullal Family Trust</name>
          <address>
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            <com:stateOrCountry>CA</com:stateOrCountry>
            <com:zipCode>95054</com:zipCode>
          </address>
        </sellerDetails>
        <securitiesClassTitle>Common Stock</securitiesClassTitle>
        <saleDate>04/03/2024</saleDate>
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      </securitiesSoldInPast3Months>
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        <sellerDetails>
          <name>Adeeti Ullal Trust</name>
          <address>
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            <com:stateOrCountry>CA</com:stateOrCountry>
            <com:zipCode>95054</com:zipCode>
          </address>
        </sellerDetails>
        <securitiesClassTitle>Common Stock</securitiesClassTitle>
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      </securitiesSoldInPast3Months>
      <securitiesSoldInPast3Months>
        <sellerDetails>
          <name>Tarini Ullal Trust</name>
          <address>
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            <com:stateOrCountry>CA</com:stateOrCountry>
            <com:zipCode>95054</com:zipCode>
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        </sellerDetails>
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            <com:stateOrCountry>CA</com:stateOrCountry>
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            <com:stateOrCountry>CA</com:stateOrCountry>
            <com:zipCode>95054</com:zipCode>
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        <sellerDetails>
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          <address>
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            <com:stateOrCountry>CA</com:stateOrCountry>
            <com:zipCode>95054</com:zipCode>
          </address>
        </sellerDetails>
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        <saleDate>05/13/2024</saleDate>
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            <com:stateOrCountry>CA</com:stateOrCountry>
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          </address>
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        </sellerDetails>
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        <sellerDetails>
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            <com:zipCode>95054</com:zipCode>
          </address>
        </sellerDetails>
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          </address>
        </sellerDetails>
        <securitiesClassTitle>Common Stock</securitiesClassTitle>
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        <sellerDetails>
          <name>Adeeti Ullal Trust</name>
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            <com:stateOrCountry>CA</com:stateOrCountry>
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        <securitiesClassTitle>Common Stock</securitiesClassTitle>
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        <amountOfSecuritiesSold>5000</amountOfSecuritiesSold>
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          <name>Tarini Ullal Trust</name>
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      <securitiesSoldInPast3Months>
        <sellerDetails>
          <name>Jayshree Ullal</name>
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        <saleDate>06/04/2024</saleDate>
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  Arista Networks, Inc.
  001-36468
  5453 GREAT AMERICA PARKWAY
  SANTA CLARA
  CA
  95054
  408-547-5500
  Ullal Jayshree
  Officer
  Director
  Common Stock
  Fidelity Brokerage Services LLC
  245 Summer Street
  Boston
  MA
  02110
  836
  299355.13
  313363097
  07/02/2024
  NYSE
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