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 *   Athreya Anand 2. Date of Event Requiring Statement (Month/Day/Year) 08/10/2017 3. Issuer Name and Ticker or Trading Symbol JUNIPER NETWORKS INC [JNPR] (Last) (First) (Middle) 1133 INNOVATION WAY 4. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) Chief Development Officer 5. If Amendment, Date Original Filed(Month/Day/Year) (Street) SUNNYVALE, CA 94089 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 75,475 D Â

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)	03/18/2012(1)	03/18/2018	Common Stock	20,000	$ 40.26	D	Â
Performance Stock Unit	02/19/2017(2)	02/19/2018	Common Stock	5,078	$ 0 (3)	D	Â
Performance Stock Unit	02/17/2018(4)	02/17/2019	Common Stock	12,099	$ 0 (3)	D	Â
RSU Award	03/20/2016(5)	03/20/2018	Common Stock	21,751	$ 0 (3)	D	Â
RSU Award	11/20/2018(6)	11/20/2018	Common Stock	39,250	$ 0 (3)	D	Â
RSU Award	03/18/2017(5)	03/18/2019	Common Stock	31,216	$ 0 (3)	D	Â
RSU Award	03/17/2018(5)	03/17/2020	Common Stock	57,537	$ 0 (3)	D	Â

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Athreya Anand 1133 INNOVATION WAY SUNNYVALE, CA 94089	Â	Â	  Chief Development Officer	Â

Signatures

Anand S Athreya		08/14/2017
**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)	Vests as to 25% of the shares subject to the option one year from the grant date and the balance shall vest 1/48th of the total shares granted each month thereafter.
(2)	Represents the maximum quantity of shares issuable. The exact number of shares issuable will be determined based on achievement of certain Company performance targets for the 2016 fiscal year, as determined by the Compensation Committee of the Board. The executive can earn either 0% or 100% of the target shares that will vest 50% each year over a two year period.
(3)	Column 8 is not an applicable reportable field.
(4)	Represents the maximum quantity of shares issuable. The exact number of shares issuable will be determined based on achievement of certain Company performance targets for the 2017 fiscal year, as determined by the Compensation Committee of the Board. The executive can earn either 0% or 100% of the target shares that will vest 50% each year over a two year period.
(5)	This awards vests from the original grant date as to thirty-four percent on the one year anniversary of the grant date and thirty-three percent annually on the second anniversary and third anniversary.
(6)	The award vests as to 100% on November 20, 2018 provided the employee remains a service provider through the vesting date.

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