FORM 4 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 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 * DENUCCIO KEVIN A   2. Issuer Name and Ticker or Trading Symbol JUNIPER NETWORKS INC [JNPR] 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) 1133 INNOVATION WAY 3. Date of Earliest Transaction (Month/Day/Year) 05/23/2018 (Street) SUNNYVALE, CA 94089 4. If Amendment, Date 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 (City) (State) (Zip) Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned

1.Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction 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 05/23/2018   M   9,147 A $ 0 28,253 D

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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 3)

2. Conversion or Exercise Price of Derivative Security

3. Transaction Date (Month/Day/Year)

3A. Deemed Execution Date, if any (Month/Day/Year)

4. Transaction 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 (Month/Day/Year)

7. Title and Amount of Underlying Securities (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

RSU Award

$ 0

05/23/2018

M

9,147

05/23/2018(1)

05/23/2018

Common Stock

9,147

$ 0 (2)

0

D

RSU Award

$ 0

05/24/2018

A

8,180

05/24/2019(3)

05/24/2019

Common Stock

8,180

$ 0 (2)

8,180

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
DENUCCIO KEVIN A 1133 INNOVATION WAY SUNNYVALE, CA 94089	X

Signatures

By: Robert Mobassaly: Attorney in Fact For: Kevin A. DeNuccio		05/25/2018
**Signature of Reporting Person		Date

Explanation of Responses:

*	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).
(1)	Pursuant to the terms of the Juniper Networks, Inc. 2015 Equity Incentive Plan, the restricted stock unit ("RSU") award becomes 100% vested on the earlier of (A) the one year anniversary of the grant date, and (B) the day prior to the date of the Company's next annual stockholder meeting, subject to the individual maintaining continuous status as a director through the vesting date. The RSU award was granted at the 2017 annual stockholder meeting, which was held on May 25, 2017. The company has announced that its 2018 annual stockholder meeting will be on May 24, 2018; accordingly, this RSU award vests in full on May 23, 2018.
(2)	Column 8 is not an applicable reportable field.
(3)	The restricted stock unit is automatically granted pursuant to the terms of the Juniper Networks, Inc. 2015 Equity Incentive Plan to each non-employee director who is elected at (or whose term continues after) the company's annual stockholder meeting. The award will become 100% vested on the earlier of (A) the one year anniversary of the grant date, and (B) the day prior to the date of the company's next annual stockholder meeting, subject in either case to the director maintaining continuous status as a director through the vesting date.

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