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          <com:stateOrCountry>CA</com:stateOrCountry>
          <com:zipCode>95054</com:zipCode>
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        <issuerContactPhone>408-547-5500</issuerContactPhone>
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          <relationshipToIssuer>Director</relationshipToIssuer>
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          <address>
            <com:street1>245 Summer Street</com:street1>
            <com:city>Boston</com:city>
            <com:stateOrCountry>MA</com:stateOrCountry>
            <com:zipCode>02110</com:zipCode>
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            <com:stateOrCountry>CA</com:stateOrCountry>
            <com:zipCode>95054</com:zipCode>
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            <com:street2>5453 Great America Parkway</com:street2>
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            <com:stateOrCountry>CA</com:stateOrCountry>
            <com:zipCode>95054</com:zipCode>
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            <com:zipCode>95054</com:zipCode>
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            <com:stateOrCountry>CA</com:stateOrCountry>
            <com:zipCode>95054</com:zipCode>
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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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        <planAdoptionDates>
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text: 144
  0001605809
  XXXXXXXX
  LIVE
  0001596532
  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
  323264.06
  314152875
  10/02/2024
  NYSE
  Common Stock
  10/02/2024
  Stock Option Exercise
  Issuer
  N
  836
  10/02/2024
  Wire
  N
  2000 Ullal Family Trust
  c/o Arista Networks, Inc.
  5453 Great America Parkway
  Santa Clara
  CA
  95054
  Common Stock
  07/01/2024
  15000
  5355000.00
  Adeeti Ullal Trust
  c/o Arista Networks, Inc.
  5453 Great America Parkway
  Santa Clara
  CA
  95054
  Common Stock
  07/01/2024
  5000
  1785000.00
  Tarini Ullal Trust
  c/o Arista Networks, Inc.
  5453 Great America Parkway
  Santa Clara
  CA
  95054
  Common Stock
  07/01/2024
  5000
  1785000.00
  Jayshree Ullal
  c/o Arista Networks, Inc.
  5453 Great America Parkway
  Santa Clara
  CA
  95054
  Common Stock
  07/02/2024
  836
  299355.13
  Jayshree Ullal
  c/o Arista Networks, Inc.
  5453 Great America Parkway
  Santa Clara
  CA
  95054
  Common Stock
  08/02/2024
  832
  264677.74
  Jayshree Ullal
  c/o Arista Networks, Inc.
  5453 Great America Parkway
  Santa Clara
  CA
  95054
  Common Stock
  08/21/2024
  17752
  6289416.90
  Jayshree Ullal
  c/o Arista Networks, Inc.
  5453 Great America Parkway
  Santa Clara
  CA
  95054
  Common Stock
  09/03/2024
  832
  280578.00
  10/02/2024
  12/13/2023
  Jason Coleman, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Jayshree Ullal