Statement of Changes in Beneficial Ownership (4)

FORM 4 [ X ] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES	OMB APPROVAL OMB Number: 3235-0287 Estimated average burden hours per response... 0.5
	Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

1. Name and Address of Reporting Person * GERDELMAN JOHN W	2. Issuer Name and Ticker or Trading Symbol BROCADE COMMUNICATIONS SYSTEMS INC [ BRCD ]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable) __ X __ Director                      _____ 10% Owner _____ Officer (give title below)      _____ Other (specify below)
(Last)          (First)          (Middle) 130 HOLGER WAY	3. Date of Earliest Transaction (MM/DD/YYYY) 11/17/2017
(Street) SAN JOSE, CA 95134 (City)        (State)        (Zip)	4. If Amendment, Date Original Filed (MM/DD/YYYY)	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 Acquired, Disposed of, or Beneficially Owned
1.Title of Security (Instr. 3)	2. Trans. Date	2A. Deemed Execution Date, if any	3. Trans. Code (Instr. 8)		4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	11/17/2017		D		229285	D	$12.75   (1)	0	D

Table II - Derivative Securities Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Trans. Date	3A. Deemed Execution Date, if any	4. Trans. Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Non-Qualified Stock Option (right to buy)	$6.84	11/17/2017	11/17/2017	D			20000	(2)	(2)	Common Stock	20000	$0.00	0   (2)	D
Non-Qualified Stock Option (right to buy)	$5.70	11/17/2017	11/17/2017	D			20000	(2)	(2)	Common Stock	20000	$0.00	0   (2)	D
Non-Qualified Stock Option (right to buy)	$5.545	11/17/2017	11/17/2017	D			20000	(2)	(2)	Common Stock	20000	$0.00	0   (2)	D
Restricted Stock Unit	(3)	11/17/2017	11/17/2017	D			16013	(4)	(4)	Common Stock	16013	$0.00	0   (4)	D

Explanation of Responses:
(1)	Pursuant to the terms of the Agreement and Plan of Merger, dated as of November 2, 2016 (the "Merger Agreement"), by and among Brocade Communications Systems, Inc. (the "Company"), Broadcom Limited, a limited company organized under the laws of the Republic of Singapore ("Ultimate Parent"), Broadcom Corporation, a California corporation and an indirect subsidiary of Ultimate Parent, and Bobcat Merger Sub, Inc., a Delaware corporation and a direct wholly owned subsidiary of Parent ("Merger Sub"), as assigned by Broadcom Corporation to LSI Corporation, a Delaware corporation ("Parent"), on November 17, 2017, Merger Sub merged with and into the Company (the "Merger"), and in connection therewith the Reporting Person disposed of these shares in exchange for $12.75 per share, without interest.
(2)	Pursuant to the terms of the Merger Agreement and in connection with the Merger, this stock option was cancelled and converted into the right to receive a cash payment equal to the number of shares of Company common stock subject to such award multiplied by the excess of $12.75 over the exercise price per share of such award.
(3)	Each restricted stock unit represents a contingent right to receive one share of Company common stock.
(4)	Pursuant to the terms of the Merger Agreement and in connection with the Merger, this restricted stock unit award was cancelled and converted into the right to receive a cash payment equal to the number of shares of Company common stock subject to such award multiplied by $12.75.

Reporting Owners
Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
GERDELMAN JOHN W 130 HOLGER WAY SAN JOSE, CA 95134	X

Signatures
/s/ Jean Furter, Attorney-in-fact for John W. Gerdelman		11/21/2017
** 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 4(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).
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