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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1. Name and Address of Reporting Person * rahim rami   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 __X__ Officer (give title below) _____ Other (specify below) Chief Executive Officer (Last) (First) (Middle) 1133 INNOVATION WAY 3. Date of Earliest Transaction (Month/Day/Year) 02/15/2019 (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 02/15/2019   M   13,551 A $ 0 13,551 D   Common Stock 02/15/2019   F(1)   4,677 D $ 27.12 8,874 D   Common Stock 02/15/2019   G(2) V 8,874 D $ 0 0 D   Common Stock 02/17/2019   M   31,202 A $ 0 31,202 D   Common Stock 02/17/2019   F(1)   11,972 D $ 27.12 19,230 D   Common Stock 02/17/2019   G(2) V 19,230 D $ 0 0 D   Common Stock 02/19/2019   M   27,481 A $ 0 27,481 D   Common Stock 02/19/2019   F(1)   13,626 D $ 27.15 13,855 D   Common Stock 02/19/2019   G(2) V 13,855 D $ 0 0 D   Common Stock 02/15/2019   G(2) V 8,874 A $ 0 606,107 I Living Trust Common Stock 02/17/2019   G(2) V 19,230 A $ 0 625,337 I Living Trust Common Stock 02/19/2019   G(2) V 13,855 A $ 0 639,192 I Living Trust

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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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

Performance Stock Unit

$ 0

02/15/2019

M

13,551

02/15/2019(3)

02/15/2019

Common Stock

13,551

$ 0 (4)

0

D

RSU Award

$ 0

02/19/2019

M

27,481

02/19/2017(5)

02/19/2019

Common Stock

27,481

$ 0 (4)

0

D

RSU Award

$ 0

02/17/2019

M

31,202

02/17/2018(5)

02/17/2020

Common Stock

31,202

$ 0 (4)

31,202

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
rahim rami 1133 INNOVATION WAY SUNNYVALE, CA 94089	X		Chief Executive Officer

Signatures

By: Robert Mobassaly: Attorney in Fact For: Rami Rahim		02/20/2019
**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)	Represents shares withheld from the released share award for the payment of applicable income and payroll withholding taxes due on release.
(2)	Represents the transfer of shares to the Rahim Family Trust from the reporting person immediately upon vesting of the Restricted Stock Unit and/or Performance Stock Unit.
(3)	Represents number of shares earned and vested under the performance share award granted 2/19/2016. The shares vest on the third year anniversary of the grant date and upon determination of the achievement of certain Company performance targets over the three year period.
(4)	Column 8 is not an applicable reportable field.
(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.

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