SEC FORM 3

SEC Form 3

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
or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person^*

DIPENTIMA RENATO A

(Last)

(First)

(Middle)

1745 TECHNOLOGY DRIVE

(Street)

SAN JOSE

95110

(City)

(State)

(Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
01/29/2007

3. Issuer Name and Ticker or Trading Symbol
BROCADE COMMUNICATIONS SYSTEMS INC [ BRCD ]

4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director	10% Owner
	Officer (give title below)	Other (specify below)

5. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

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	35,826	D

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: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
1. Title of Derivative Security (Instr. 4)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
Non-qualified stock option (right to buy)	⁽¹⁾	06/01/2015	Common Stock	37,500	$4.79	D
Non-qualified stock option (right to buy)	⁽²⁾	03/15/2016	Common Stock	7,500	$5.19	D

Explanation of Responses:

1. This option is exercisable in four equal annual installments. The first installment will became exercisable on June 1, 2006 and the remaining installments will become exercisable on June 1, 2007, June 1, 2008 and June 1, 2009.

2. This option is exercisable in two equal annual installments. The first installment will become exercisable on March 15, 2007 and the second installment will become exercisable on March 15, 2008

	/s/ Thomas MacMitchell, Attorney-in-Fact for Renato DiPentima	01/31/2007
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* 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).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
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