FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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(Print or Type Responses)

1. Name and Address of Reporting Person *   Chadwick Jonathan 2. Date of Event Requiring Statement (Month/Day/Year) 09/20/2006 3. Issuer Name and Ticker or Trading Symbol CISCO SYSTEMS INC [CSCO] (Last) (First) (Middle) 170 WEST TASMAN DRIVE 4. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) VP,CorpContrllr,PrincAcctgOfcr 5. If Amendment, Date Original Filed(Month/Day/Year) (Street) SAN JOSE, CA 95134 6. Individual or Joint/Group Filing(Check Applicable Line) _X_ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person (City) (State) (Zip) Table I - Non-Derivative Securities Beneficially Owned

1.Title of Security (Instr. 4) 2. Amount of Securities Beneficially Owned (Instr. 4) 3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 4. Nature of Indirect Beneficial Ownership (Instr. 5) Common Stock 3,180 D   Common Stock 4,309 I by Trust (1)

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.			SEC 1473 (7-02)
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Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Non-Qualified Stock Option (right to buy)	05/01/1999(2)	05/01/2007	Common Stock	8,000	$ 12.2709	D	Â
Non-Qualified Stock Option (right to buy)	04/16/2000(2)	04/16/2008	Common Stock	68,000	$ 26.4219	D	Â
Non-Qualified Stock Option (right to buy)	06/04/2000(2)	06/04/2008	Common Stock	32,000	$ 28.7188	D	Â
Non-Qualified Stock Option (right to buy)	01/24/2001(3)	01/24/2009	Common Stock	125,000	$ 54.5313	D	Â
Non-Qualified Stock Option (right to buy)	07/14/2001(3)	07/14/2009	Common Stock	3,000	$ 68.25	D	Â
Non-Qualified Stock Option (right to buy)	11/03/2001(3)	11/03/2009	Common Stock	10,000	$ 56.75	D	Â
Non-Qualified Stock Option (right to buy)	11/13/2001(3)	11/13/2009	Common Stock	75,000	$ 50.375	D	Â
Non-Qualified Stock Option (right to buy)	03/09/2002(3)	03/09/2010	Common Stock	75,000	$ 20.625	D	Â
Non-Qualified Stock Option (right to buy)	04/06/2002(3)	04/06/2010	Common Stock	25,000	$ 13.625	D	Â
Non-Qualified Stock Option (right to buy)	06/14/2001(4)	05/14/2010	Common Stock	69,250	$ 18.57	D	Â
Non-Qualified Stock Option (right to buy)	09/21/2001(4)	08/21/2010	Common Stock	69,250	$ 16.01	D	Â
Non-Qualified Stock Option (right to buy)	11/02/2002(3)	11/02/2010	Common Stock	50,000	$ 17.26	D	Â
Non-Qualified Stock Option (right to buy)	01/07/2003(3)	01/07/2011	Common Stock	56,250	$ 20.53	D	Â
Non-Qualified Stock Option (right to buy)	05/10/2003(3)	05/10/2011	Common Stock	20,000	$ 15.42	D	Â
Non-Qualified Stock Option (right to buy)	04/05/2003(3)	04/05/2011	Common Stock	56,250	$ 16.15	D	Â
Non-Qualified Stock Option (right to buy)	10/10/2003(3)	10/10/2011	Common Stock	57,500	$ 9.749	D	Â
Non-Qualified Stock Option (right to buy)	04/10/2004(3)	04/10/2012	Common Stock	57,500	$ 13.04	D	Â
Non-Qualified Stock Option (right to buy)	09/02/2004(3)	09/02/2012	Common Stock	107,500	$ 19.59	D	Â
Non-Qualified Stock Option (right to buy)	06/11/2005(3)	06/11/2013	Common Stock	20,000	$ 23.82	D	Â
Non-Qualified Stock Option (right to buy)	08/23/2005(3)	08/23/2013	Common Stock	150,000	$ 19.18	D	Â
Non-Qualified Stock Option (right to buy)	09/29/2006(3)	09/29/2014	Common Stock	120,000	$ 17.86	D	Â
Non-Qualified Stock Option (right to buy)	03/08/2007(3)	03/08/2015	Common Stock	25,000	$ 20.86	D	Â

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Chadwick Jonathan 170 WEST TASMAN DRIVE SAN JOSE, CA 95134	Â	Â	  VP,CorpContrllr,PrincAcctgOfcr	Â

Signatures

/s/ Jonathan Chadwick by Dennis Powell, his Attorney-in-Fact		09/21/2006
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 5(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1)	by Family Trust
(2)	The option vests as to twenty-five percent (25%) of the shares on the one (1) year anniversary of the grant date, and as to the remaining seventy-five percent (75%) of the shares thereafter in thirty-six (36) successive equal monthly installments.
(3)	The option vests as to twenty percent (20%) of the shares on the one (1) year anniversary of the grant date, and as to the remaining eighty percent (80%) of the shares thereafter in forty eight (48) successive equal monthly installments.
(4)	The option vests in sixty (60) successive equal monthly installments following the grant date.

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