FORM 3
        	UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES
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                      	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 *

Jewell Marcus	2. Date of Event Requiring Statement (MM/DD/YYYY)
8/12/2021 
	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)
EVP, Chief Revenue 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 	0 	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)	
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares				
RSU Award 	 (1)	 (1)	Common Stock 	18282 	$0.00 	D 	 	
RSU Award 	 (2)	 (2)	Common Stock 	33000 	$0.00 	D 	 	
RSU Award 	 (3)	 (3)	Common Stock 	30624 	$0.00 	D 	 	
RSU Award 	 (4)	 (4)	Common Stock 	55100 	$0.00 	D 	 	
Performance Stock Unit 	 (5)	 (5)	Common Stock 	9118 	$0.00 	D 	 	
Performance Stock Unit 	 (6)	 (6)	Common Stock 	16700 	$0.00 	D 	 	
Performance Stock Unit 	 (7)	 (7)	Common Stock 	8259 	$0.00 	D 	 	

Explanation of Responses:	
(1) 	This awards vests thirty-four percent on the one year anniversary of March 15, 2019 and thirty-three percent annually on the second anniversary and third anniversary.	
(2) 	This awards vests thirty-four percent on the one year anniversary of August 16, 2019 and thirty-three percent annually on the second anniversary and third anniversary.	
(3) 	This awards vests thirty-four percent on the one year anniversary of February 21, 2020 and thirty-three percent annually on the second anniversary and third anniversary.	
(4) 	This awards vests thirty-four percent on the one year anniversary of February 19, 2021 and thirty-three percent annually on the second anniversary and third anniversary.	
(5) 	Represents two tranches of an award granted in the first quarter of 2019. The amount earned was subject to attainment of certain performance conditions and certification thereof by the Compensation Committee. These tranches will vest in the first quarter of 2022 following certification by the Compensation Committee of the final tranche of the award, subject to the reporting person's service through the date of such certification and the settlement date.	
(6) 	Represents two tranches of an award granted in the third quarter of 2019. The amount earned was subject to attainment of certain performance conditions and certification thereof by the Compensation Committee. These tranches will vest in the first quarter of 2022 following certification by the Compensation Committee of the final tranche of the award, subject to the reporting person's service through the date of such certification and the settlement date.	
(7) 	Represents one tranche of an award granted in the first quarter of 2020. The amount earned was subject to attainment of certain performance conditions and certification thereof by the Compensation Committee. This tranche will vest in the first quarter of 2023 following certification by the Compensation Committee of the final tranche of the award, subject to the reporting person's service through the date of such certification and the settlement date.	

Remarks:
Exhibit 24.1: Power of Attorney	

Reporting Owners	
Reporting Owner Name / Address	Relationships	
	Director	10% Owner	Officer	Other	
Jewell Marcus
1133 INNOVATION WAY
SUNNYVALE, CA 94089			EVP, Chief Revenue Officer		

Signatures		
By: /s/ Robert Mobassaly, as attorney-in-fact For: Marcus Jewell		8/13/2021	
**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.	

Limited Power of Attorney - Securities Compliance
This statement confirms that the undersigned, as an officer, director or beneficial owner of more than 10% of any class of any equity security of Juniper Networks, Inc. (the "Corporation"), hereby appoints Robert Mobassaly, Dena Acevedo and Mary Catherine Malley, and each of them, the undersigned's true and lawful attorneys-in-facts and agents to complete and execute any and all Form ID, Form 144 reports, Form 3, 4 and 5 reports, and other forms (including any amendments thereto) as such attorneys shall in his or her discretion determine to be required or advisable pursuant to Rule 144 promulgated under the Securities Act of 1933 (as amended), Section 16 of the Securities Exchange Act of 1934 (as amended) and the rules and regulations promulgated thereunder, or any successor laws and regulations, as a consequence of the undersigned's ownership, acquisition or disposition of securities of the Corporation, and to do all acts necessary in order to file such forms with the Securities and Exchange Commission, any securities exchange or national association, the Corporation and such other person or agency as the attorney shall deem appropriate. The undersigned hereby ratifies and confirms all that said attorneys-in-fact and agents shall do or cause to be done by virtue hereof. The authority of Robert Mobassaly, Dena Acevedo and Mary Catherine Malley under this Limited Power of Attorney shall continue until the undersigned is no longer required to file Form 144 or Forms 3, 4 and 5 reports with regard to the undersigned's ownership of or transactions in securities of the Corporation, unless earlier revoked in writing. The undersigned acknowledges that Robert Mobassaly, Dena Acevedo and Mary Catherine Malley and the Corporation are not assuming any of the undersigned's responsibilities to comply with Section 16 of the Securities Exchange Act of 1934 (as amended) or Rule 144 promulgated under the Securities Act of 1933 (as amended).
This Limited Power of Attorney is executed at Sunnyvale, California as of the date set forth below.

/s/ Marcus Jewell
Signature
Name: Marcus Jewell
Date: August 12, 2021