<SEC-DOCUMENT>0001209191-20-058340.txt : 20201113
<SEC-HEADER>0001209191-20-058340.hdr.sgml : 20201113
<ACCEPTANCE-DATETIME>20201113172009
ACCESSION NUMBER:		0001209191-20-058340
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20201110
FILED AS OF DATE:		20201113
DATE AS OF CHANGE:		20201113

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Elliott Geraldine
		CENTRAL INDEX KEY:			0001526803

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-18225
		FILM NUMBER:		201312617

	MAIL ADDRESS:	
		STREET 1:		1194 N. MATHILDA AVE.
		CITY:			SUNNYVALE
		STATE:			CA
		ZIP:			94089

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CISCO SYSTEMS, INC.
		CENTRAL INDEX KEY:			0000858877
		STANDARD INDUSTRIAL CLASSIFICATION:	COMPUTER COMMUNICATIONS EQUIPMENT [3576]
		IRS NUMBER:				770059951
		STATE OF INCORPORATION:			CA
		FISCAL YEAR END:			0731

	BUSINESS ADDRESS:	
		STREET 1:		170 WEST TASMAN DR
		CITY:			SAN JOSE
		STATE:			CA
		ZIP:			95134-1706
		BUSINESS PHONE:		4085264000

	MAIL ADDRESS:	
		STREET 1:		170 WEST TASMAN DR
		CITY:			SAN JOSE
		STATE:			CA
		ZIP:			95134-1706

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	CISCO SYSTEMS INC
		DATE OF NAME CHANGE:	19920703
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc4.xml
<DESCRIPTION>FORM 4 SUBMISSION
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2020-11-10</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000858877</issuerCik>
        <issuerName>CISCO SYSTEMS, INC.</issuerName>
        <issuerTradingSymbol>CSCO</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001526803</rptOwnerCik>
            <rptOwnerName>Elliott Geraldine</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>170 WEST TASMAN DRIVE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>SAN JOSE</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>95134</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>EVP, Chief Sales &amp; Mktg Offcr</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2020-11-10</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>135636</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>394956</value>
                    <footnoteId id="F2"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2020-11-10</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>F</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>75175</value>
                    <footnoteId id="F3"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>38.20</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>319781</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Represents settlement of a performance-based restricted stock unit (&quot;PRSU&quot;) award granted on April 30, 2018 resulting from the satisfaction of performance metrics during the two-year performance period.</footnote>
        <footnote id="F2">Includes 131 dividend equivalents accrued on vested deferred restricted stock units and 926 dividend equivalents accrued on unvested restricted stock units.  Each dividend equivalent is the economic equivalent of one share of Cisco common stock.</footnote>
        <footnote id="F3">Represents shares withheld for payment of tax liability arising as a result of the settlement of the PRSU described in footnote 1 and the partial settlement of two (2) restricted stock unit awards originally reported by the reporting person in Forms 4 filed with the Commission on September 20, 2018 and September 20, 2019.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Geraldine Elliott by Evan Sloves, Attorney-in-Fact</signatureName>
        <signatureDate>2020-11-13</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
