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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
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 P3zLt1FeqtILQ1yWMaGbbw==

<SEC-DOCUMENT>0001209191-03-029121.txt : 20031107
<SEC-HEADER>0001209191-03-029121.hdr.sgml : 20031107
<ACCEPTANCE-DATETIME>20031107085513
ACCESSION NUMBER:		0001209191-03-029121
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20031106
FILED AS OF DATE:		20031107

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			C COR NET CORP
		CENTRAL INDEX KEY:			0000350621
		STANDARD INDUSTRIAL CLASSIFICATION:	RADIO & TV BROADCASTING & COMMUNICATIONS EQUIPMENT [3663]
		IRS NUMBER:				240811591
		STATE OF INCORPORATION:			PA
		FISCAL YEAR END:			0630

	BUSINESS ADDRESS:	
		STREET 1:		60 DECIBEL RD
		CITY:			STATE COLLEGE
		STATE:			PA
		ZIP:			16801
		BUSINESS PHONE:		8142382461

	MAIL ADDRESS:	
		STREET 1:		60 DECIBEL ROAD
		CITY:			STATE COLLEGE
		STATE:			PA
		ZIP:			16801

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	C COR ELECTRONICS INC
		DATE OF NAME CHANGE:	19920703

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			ENG DAVID J
		CENTRAL INDEX KEY:			0001130346

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-10726
		FILM NUMBER:		03983658

	BUSINESS ADDRESS:	
		STREET 1:		C/O C-COR.NET CORP
		STREET 2:		60 DECIBEL ROAD
		CITY:			STATE COLLEGE
		STATE:			PA
		ZIP:			16801
		BUSINESS PHONE:		8142314448

	MAIL ADDRESS:	
		STREET 1:		C/O C-COR.NET
		STREET 2:		60 DECIBEL ROAD
		CITY:			STATE COLLEGE
		STATE:			PA
		ZIP:			16801
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc4.xml
<DESCRIPTION>FORM 4 SUBMISSION
<TEXT>
<XML>
<?xml version="1.0"?><ownershipDocument><schemaVersion>X0201</schemaVersion>    <documentType>4</documentType><periodOfReport>2003-11-06</periodOfReport><notSubjectToSection16>0</notSubjectToSection16><issuer><issuerCik>0000350621</issuerCik><issuerName>C COR NET CORP</issuerName>        <issuerTradingSymbol>ccbl</issuerTradingSymbol></issuer><reportingOwner><reportingOwnerId><rptOwnerCik>0001130346</rptOwnerCik><rptOwnerName>ENG DAVID J</rptOwnerName></reportingOwnerId><reportingOwnerAddress><rptOwnerStreet1>C/O C-COR.NET CORP.</rptOwnerStreet1><rptOwnerStreet2>60 DECIBEL ROAD</rptOwnerStreet2><rptOwnerCity>STATE COLLEGE</rptOwnerCity><rptOwnerState>PA</rptOwnerState><rptOwnerZipCode>16801</rptOwnerZipCode><rptOwnerStateDescription></rptOwnerStateDescription></reportingOwnerAddress><reportingOwnerRelationship><isDirector>0</isDirector><isOfficer>1</isOfficer><isTenPercentOwner>0</isTenPercentOwner><isOther>0</isOther><officerTitle>Corporate VP- Americas Bus.</officerTitle></reportingOwnerRelationship></repo
rtingOwner><nonDerivativeTable><nonDerivativeTransaction><securityTitle><value>Common Stock</value></securityTitle><transactionDate><value>2003-11-06</value></transactionDate><deemedExecutionDate></deemedExecutionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>M</transactionCode><equitySwapInvolved>0</equitySwapInvolved><footnoteId id="F1" /></transactionCoding><transactionTimeliness><value></value></transactionTimeliness><transactionAmounts><transactionShares><value>6000.0000</value></transactionShares><transactionPricePerShare><value>7.1875</value></transactionPricePerShare><transactionAcquiredDisposedCode><value>A</value></transactionAcquiredDisposedCode></transactionAmounts><postTransactionAmounts><sharesOwnedFollowingTransaction><value>11682.0000</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership></ownershipNature></nonDerivativeTransaction><nonDerivativeTransaction
><securityTitle><value>Common Stock</value></securityTitle><transactionDate><value>2003-11-06</value></transactionDate><deemedExecutionDate></deemedExecutionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>S</transactionCode><equitySwapInvolved>0</equitySwapInvolved><footnoteId id="F2" /></transactionCoding><transactionTimeliness><value></value></transactionTimeliness><transactionAmounts><transactionShares><value>6000.0000</value></transactionShares><transactionPricePerShare><value>11.5000</value></transactionPricePerShare><transactionAcquiredDisposedCode><value>D</value></transactionAcquiredDisposedCode></transactionAmounts><postTransactionAmounts><sharesOwnedFollowingTransaction><value>5682.0000</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership></ownershipNature></nonDerivativeTransaction><nonDerivativeHolding><securityTitle><value>Common Stock</value></securityTitle><
postTransactionAmounts><sharesOwnedFollowingTransaction><value>4928.8250</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>I</value></directOrIndirectOwnership><natureOfOwnership><value>By Trust</value></natureOfOwnership></ownershipNature></nonDerivativeHolding></nonDerivativeTable><derivativeTable><derivativeTransaction><securityTitle><value>Options</value><footnoteId id="F3" /></securityTitle><conversionOrExercisePrice><value>7.1875</value></conversionOrExercisePrice><transactionDate><value>2003-11-06</value></transactionDate><deemedExecutionDate></deemedExecutionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>M</transactionCode><equitySwapInvolved>0</equitySwapInvolved></transactionCoding><transactionTimeliness><value></value></transactionTimeliness><transactionAmounts><transactionShares><value>6000.0000</value></transactionShares><transactionPricePerShare><value>7.1875</value></transactionPricePerShar
e><transactionAcquiredDisposedCode><value>D</value></transactionAcquiredDisposedCode></transactionAmounts><exerciseDate><value>1999-08-22</value></exerciseDate><expirationDate><value>2004-08-21</value></expirationDate><underlyingSecurity><underlyingSecurityTitle><value>Common Stock</value></underlyingSecurityTitle><underlyingSecurityShares><value>6000.0000</value></underlyingSecurityShares></underlyingSecurity><postTransactionAmounts><sharesOwnedFollowingTransaction><value>187000.0000</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership></ownershipNature></derivativeTransaction><derivativeHolding><securityTitle><value>Phantom Stock</value><footnoteId id="F4" /></securityTitle><conversionOrExercisePrice><footnoteId id="F5" /></conversionOrExercisePrice><exerciseDate><footnoteId id="F6" /></exerciseDate><expirationDate><footnoteId id="F6" /></expirationDate><underlyingSecurity><underlyingSecurityTitle><value>Co
mmon Stock</value></underlyingSecurityTitle><underlyingSecurityShares><value>1339.6970</value></underlyingSecurityShares></underlyingSecurity><postTransactionAmounts><sharesOwnedFollowingTransaction><value>1339.6970</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>I</value></directOrIndirectOwnership><natureOfOwnership><value>By Trust</value></natureOfOwnership></ownershipNature></derivativeHolding></derivativeTable><footnotes><footnote id="F1">Acquired, pursuant to a 10b5-1 Sales Plan,through exercise of options acquired under C-COR.net Corp.'s Incentive Plan. </footnote><footnote id="F2">Sold pursuant to a 10b5-1 Sales Plan.</footnote><footnote id="F3">Options (right to buy) acquired through C-COR.net Corp.'s Incentive Plan.  </footnote><footnote id="F4">Phantom Stock Unit acquired on various dates and at various prices through C-COR.net Corp.'s non-qualified retirement savings and profit sharing plan. </footnote><footnote id="F5">Various,
 established on the date of each individual transaction under the retirement plan.</footnote><footnote id="F6">Date not yet known. These derivatives are exercisable upon the participant's retirement and may be taken in the form of stock or in cash.</footnote></footnotes><remarks></remarks><ownerSignature><signatureName>David J. Eng</signatureName><signatureDate>2003-11-07</signatureDate></ownerSignature></ownershipDocument>

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</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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