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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 Im0NNpDsYGO5yzKSNQ/0JU4yaQcIHHrKOK8D0tGFhgDycDmioo6l+5MavqYYLgvO
 4EEASPsgZN8ZKf2KNUsqwQ==

<SEC-DOCUMENT>0001209191-03-025697.txt : 20031015
<SEC-HEADER>0001209191-03-025697.hdr.sgml : 20031013
<ACCEPTANCE-DATETIME>20031015152544
ACCESSION NUMBER:		0001209191-03-025697
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20031014
FILED AS OF DATE:		20031015

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:			ROYSE RODNEY M
		CENTRAL INDEX KEY:			0001180401

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-10726
		FILM NUMBER:		03941805

	BUSINESS ADDRESS:	
		STREET 1:		C/O C-COR
		STREET 2:		60 DECIBEL RD
		CITY:			STATE COLLEGE
		STATE:			PA
		ZIP:			16801
		BUSINESS PHONE:		8142382461

	MAIL ADDRESS:	
		STREET 1:		C/O C-COR
		STREET 2:		60 DECIBEL RD
		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>2003-10-14</periodOfReport><notSubjectToSection16>0</notSubjectToSection16><issuer><issuerCik>0000350621</issuerCik><issuerName>C COR NET CORP</issuerName>        <issuerTradingSymbol>ccbl</issuerTradingSymbol></issuer><reportingOwner><reportingOwnerId><rptOwnerCik>0001180401</rptOwnerCik><rptOwnerName>ROYSE RODNEY M</rptOwnerName></reportingOwnerId><reportingOwnerAddress><rptOwnerStreet1>23200 SW STAFFORD HILL DRIVE</rptOwnerStreet1><rptOwnerStreet2></rptOwnerStreet2><rptOwnerCity>WEST LINN</rptOwnerCity><rptOwnerState>OR</rptOwnerState><rptOwnerZipCode>97068</rptOwnerZipCode><rptOwnerStateDescription></rptOwnerStateDescription></reportingOwnerAddress><reportingOwnerRelationship><isDirector>1</isDirector><isOfficer>0</isOfficer><isTenPercentOwner>0</isTenPercentOwner><isOther>0</isOther></reportingOwnerRelationship></reportingOwner><derivativeTable><derivativeTransaction><securityTit
le><value>Option</value><footnoteId id="F1" /></securityTitle><conversionOrExercisePrice><value>7.78</value></conversionOrExercisePrice><transactionDate><value>2003-10-14</value></transactionDate><deemedExecutionDate></deemedExecutionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>M</transactionCode><equitySwapInvolved>0</equitySwapInvolved></transactionCoding><transactionTimeliness><value></value></transactionTimeliness><transactionAmounts><transactionShares><value>7500</value></transactionShares><transactionPricePerShare><value>7.78</value></transactionPricePerShare><transactionAcquiredDisposedCode><value>A</value></transactionAcquiredDisposedCode></transactionAmounts><exerciseDate><value>2004-10-14</value></exerciseDate><expirationDate><value>2011-10-14</value></expirationDate><underlyingSecurity><underlyingSecurityTitle><value>Common Stock</value></underlyingSecurityTitle><underlyingSecurityShares><value>7500</value></underlyingSecurityShares></underlyingSecurity><pos
tTransactionAmounts><sharesOwnedFollowingTransaction><value>52500</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership></ownershipNature></derivativeTransaction></derivativeTable><footnotes><footnote id="F1">Options (right to buy) acquired through C-COR.net Corp.'s Incentive Plan.  </footnote></footnotes><remarks></remarks><ownerSignature><signatureName>Rodney M. Royse</signatureName><signatureDate>2003-10-15</signatureDate></ownerSignature></ownershipDocument>

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