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

OMB APPROVAL OMB Number: 3235-0287 Expires: January 31, 2005 Estimated average burden hours per response... 0.5

(Print or Type Responses)

1. Name and Address of Reporting Person * Martin Brian   2. Issuer Name and Ticker or Trading Symbol JUNIPER NETWORKS INC [JNPR] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) SVP General Counsel (Last) (First) (Middle) 1133 INNOVATION WAY 3. Date of Earliest Transaction (Month/Day/Year) 02/17/2017 (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 02/19/2017   M   6,271 A $ 0 6,271 D   Common Stock 02/19/2017   F(1)   2,505 D $ 28.39 3,766 D   Common Stock 02/19/2017   M   7,399 A $ 0 11,165 D   Common Stock 02/19/2017   F(1)   2,774 D $ 28.39 8,391 D

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
	Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number.		SEC 1474 (9-02)

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

02/19/2017

M

6,271

12/19/2017(2)

12/19/2018

Common Stock

6,271

$ 0 (3)

6,272

D

Performance Stock Unit

$ 0

02/17/2017

A

15,000

02/17/2018(4)

02/17/2019

Common Stock

15,000

$ 0 (3)

15,000

D

Performance Stock Unit

$ 0

02/17/2017

A

36,300

02/17/2020(5)

02/17/2020

Common Stock

36,300

$ 0 (3)

36,300

D

Performance Stock Unit

$ 0

02/17/2017

A

18,150

01/01/2018(6)

12/31/2021

Common Stock

18,150

$ 0 (3)

18,150

D

RSU Award

$ 0

02/19/2017

M

7,399

02/19/2017(7)

02/19/2019

Common Stock

7,399

$ 0 (3)

14,361

D

RSU Award

$ 0

02/17/2017

A

18,700

02/17/2018(7)

02/17/2020

Common Stock

18,700

$ 0 (3)

18,700

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Martin Brian 1133 INNOVATION WAY SUNNYVALE, CA 94089			SVP General Counsel

Signatures

By: Robert Mobassaly For: Brian Michael Martin		02/22/2017
**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 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)	Represents the maximum quantity of shares issuable. The exact number of shares issuable with respect to each of three performance years will be determined based on achievement of certain Company performance targets for each year, as determined by the Compensation Committee of the Board. The executive can earn between 0% and 200% of the target shares with respect to each year. No shares vest or are issued until after the third performance year.
(6)	The number of shares represents the maximum quantity of shares issuable pursuant to this performance share award.The exact number of shares issuable will be based upon achievement of specific stock price targets for the Issuer sustained over a period of 60 consecutive trading days during a 4 year period commencing on January 1, 2018.
(7)	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.

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.

Potential persons who are to respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB number.