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

INITIAL STATEMENT OF 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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(Print or Type Responses)
1. Name and Address of Reporting Person *
  rahim rami
2. Date of Event Requiring Statement (Month/Day/Year)
10/22/2012
3. Issuer Name and Ticker or Trading Symbol
JUNIPER NETWORKS INC [JNPR]
(Last)
(First)
(Middle)
C/O JUNIPER NETWORKS, INC., 1194 NORTH MATHILDA AVENUE
4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
EVP, Platform Systems Division
5. If Amendment, Date Original Filed(Month/Day/Year)
(Street)

SUNNYVALE, CA 94089
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 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 29,853
I
See footnote (1)

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. SEC 1473 (7-02)
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Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 4)
2. Date Exercisable and Expiration Date
(Month/Day/Year)
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
Non-Qualified Stock Option (right to buy)   (2) 01/02/2013 Common Stock 625 $ 7.36 D  
Non-Qualified Stock Option (right to buy) 11/15/2006 01/02/2013 Common Stock 2,875 $ 9.16 D  
Non-Qualified Stock Option (right to buy)   (3) 09/26/2013 Common Stock 15,000 $ 15 D  
Non-Qualified Stock Option (right to buy)   (4) 09/17/2014 Common Stock 20,000 $ 24.14 D  
Non-Qualified Stock Option (right to buy)   (5) 03/16/2014 Common Stock 3,000 $ 18.01 D  
Non-Qualified Stock Option (right to buy)   (6) 03/21/2015 Common Stock 10,000 $ 25.16 D  
Non-Qualified Stock Option (right to buy)   (7) 12/19/2015 Common Stock 6,000 $ 16.86 D  
Non-Qualified Stock Option (right to buy)   (8) 03/20/2016 Common Stock 17,500 $ 15.09 D  
Non-Qualified Stock Option (right to buy)   (9) 11/20/2016 Common Stock 17,500 $ 25.2 D  
Non-Qualified Stock Option (right to buy)   (10) 03/19/2017 Common Stock 54,000 $ 29.89 D  
Non-Qualified Stock Option (right to buy)   (11) 03/18/2018 Common Stock 51,868 $ 40.26 D  
RSU Award   (12) 12/23/2014 Common Stock 200,000 $ 0 D  
RSU Award   (13) 04/20/2015 Common Stock 200,000 $ 0 D  
RSU Award   (14) 10/19/2015 Common Stock 138,000 $ 0 D  

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
rahim rami
C/O JUNIPER NETWORKS, INC.
1194 NORTH MATHILDA AVENUE
SUNNYVALE, CA 94089
      EVP, Platform Systems Division  

Signatures

By: Mitchell L. Gaynor, Attorney in Fact for Rami Rahim 11/01/2012
**Signature of Reporting Person Date

Explanation of Responses:

* 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).
(1) Shares held directly by the Rahim Family Trust for which the Reporting Person and his spouse serve as trustees.
(2) The option, originally representing a right to purchase a total of 3,125 shares, became fully vested on 12/15/2004. The option was exercised in part prior to the date on which the Reporting Person became subject to Section 16 and the remainder is currently exercisable in full.
(3) The option became fully vested on 9/26/2007 and is currently exercisable in full.
(4) The option became fully vested on 9/17/2008 and is currently exercisable in full.
(5) The option became fully vested on 3/16/2011 and is currently exercisable in full.
(6) The option became fully vested on 3/21/2012 and is currently exercisable in full.
(7) The option vested as to 1,500 shares on 12/19/2009 and vests in thirty-six equal monthly installments thereafter.
(8) The option vested as to 4,375 shares on 3/20/2010 and vests in thirty-six equal monthly installments thereafter.
(9) The option vested as to 4,375 shares on 11/20/2010 and vests in thirty-six equal monthly installments thereafter.
(10) The option vested as to 13,500 shares on 3/19/2011 and vests in thirty-six equal monthly installments thereafter.
(11) The option vested as to 12,967 shares on 3/18/2012 and vests in thirty-six equal monthly installments thereafter.
(12) Award will vest as to 68,000 shares on 12/23/2012, 66,000 shares on 12/23/2013 and 66,000 shares on 12/23/2014.
(13) Award will vest as to 68,000 shares on 4/20/2013, 66,000 shares on 4/20/2014 and 66,000 shares on 4/20/15.
(14) Award will vest as to 46,920 shares on 10/19/2013, 45,540 shares on 10/19/2014 and 45,540 shares on 10/19/2015.
 
Remarks:
Exhibit 24 - Power of Attorney

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