Initial Statement of Beneficial Ownership (3)

FORM 3	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES	OMB APPROVAL OMB Number: 3235-0104 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 ^*

Athreya Anand

2. Date of Event Requiring Statement (MM/DD/YYYY) 8/10/2017

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 /

(Street)

SUNNYVALE, CA 94089

(City) (State) (Zip)

5. 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 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	75475	D

*Table II - Derivative Securities Beneficially Owned ( e.g.* , puts, calls, warrants, options, convertible securities)**
1. Title of Derivate Security (Instr. 4)	2. Date Exercisable and Expiration Date (MM/DD/YYYY)		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)
1. Title of Derivate Security (Instr. 4)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	4. Conversion or Exercise Price of Derivative Security		6. Nature of Indirect Beneficial Ownership (Instr. 5)
Non-Qualified Stock Option (right to buy)	3/18/2012 ⁽¹⁾	3/18/2018	Common Stock	20000	$40.26	D
Performance Stock Unit	2/19/2017 ⁽²⁾	2/19/2018	Common Stock	5078	$0.0 ⁽³⁾	D
Performance Stock Unit	2/17/2018 ⁽⁴⁾	2/17/2019	Common Stock	12099	$0.0 ⁽³⁾	D
RSU Award	3/20/2016 ⁽⁵⁾	3/20/2018	Common Stock	21751	$0.0 ⁽³⁾	D
RSU Award	11/20/2018 ⁽⁶⁾	11/20/2018	Common Stock	39250	$0.0 ⁽³⁾	D
RSU Award	3/18/2017 ⁽⁵⁾	3/18/2019	Common Stock	31216	$0.0 ⁽³⁾	D
RSU Award	3/17/2018 ⁽⁵⁾	3/17/2020	Common Stock	57537	$0.0 ⁽³⁾	D

Explanation of Responses:
(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.

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

Signatures
Anand S Athreya		8/14/2017
^** 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 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).
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.