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
                                                                                  	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 *

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 (MM/DD/YYYY)

2/16/2018		
(Street)

SUNNYVALE, CA 94089
(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  	2/16/2018  	 	M	  	58937  	A	$0.0  	58937  	D  	 	
Common Stock  	2/16/2018  	 	F	  	23790   (1)	D	$26.35  	35147  	D  	 	
Common Stock  	2/16/2018  	 	G	  V	35147   (2)	D	$0.0  	0  	D  	 	
Common Stock  	2/17/2018  	 	M	  	32149  	A	$0.0  	32149  	D  	 	
Common Stock  	2/17/2018  	 	F	  	15940   (1)	D	$26.35  	16209  	D  	 	
Common Stock  	2/17/2018  	 	G	  V	16209   (2)	D	$0.0  	0  	D  	 	
Common Stock  	2/19/2018  	 	M	  	27481  	A	$0.0  	27481  	D  	 	
Common Stock  	2/19/2018  	 	F	  	13626   (1)	D	$26.35  	13855  	D  	 	
Common Stock  	2/19/2018  	 	M	  	22630  	A	$0.0  	36485  	D  	 	
Common Stock  	2/19/2018  	 	F	  	11220   (1)	D	$26.35  	25265  	D  	 	
Common Stock  	2/19/2018  	 	G	  V	25265   (2)	D	$0.0  	0  	D  	 	
Common Stock  	2/16/2018  	 	G	  V	35147   (2)	A	$0.0  	607482   (3)	I  	Living Trust  	
Common Stock  	2/17/2018  	 	G	  V	16209   (2)	A	$0.0  	623691  	I  	Living Trust  	
Common Stock  	2/19/2018  	 	G	  V	25265   (2)	A	$0.0  	648956  	I  	Living Trust  	

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					
Performance Stock Unit  	$0.0  	2/16/2018  	 	M  	  	  	58937   	2/16/2018   (4)	2/16/2018  	Common Stock  	58937  	$0.0   (5)	0  	D  	 	
Performance Stock Unit  	$0.0  	2/19/2018  	 	M  	  	  	22630   	2/19/2017   (6)	2/19/2018  	Common Stock  	22630  	$0.0   (5)	0  	D  	 	
RSU Award  	$0.0  	2/19/2018  	 	M  	  	  	27481   	2/19/2017   (7)	2/19/2019  	Common Stock  	27481  	$0.0   (5)	27481  	D  	 	
RSU Award  	$0.0  	2/17/2018  	 	M  	  	  	32149   	2/17/2018   (7)	2/17/2020  	Common Stock  	32149  	$0.0   (5)	62404  	D  	 	

Explanation of Responses:	
(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) 	The total reflects transfers that occurred over time, without consideration, from the reporting person to the Rahim Family Trust.	
(4) 	Represents the number of shares earned and vested under the performance share award. The shares vest on approximately the third year anniversary of the grant date and following determination by the Compensation Committee of the achievement of certain Company performance targets.	
(5) 	Column 8 is not an applicable reportable field.	
(6) 	The exact number of shares issued was determined based on achievement of certain Company performance targets for the 2016 fiscal year, as determined by the Compensation Committee of the Board.	
(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.	

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		2/21/2018	
** 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).	
Note:	File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.	
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.