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JTAC Recommended Junos Software Versions

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Knowledge Base ID: KB21476
Last Updated: 29 Jun 2015
Version: 133.0

Summary:

JTAC recommended versions of Junos software are listed to assist with determining which version of software to download and install.

This article applies to the following devices:

  • EX Series
  • J Series

  • M, T, and MX Series

  • QFX Series

  • SRX Series

  • Firefly Perimeter

  • MAG Series Chassis Management Module MAG-CM060

For other Junos devices, refer to the Release Notes and the Alerts column on the Download Software pages.

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Problem or Goal:

For customers planning an upgrade or initial installation, JTAC recommends the Junos software versions in this article. These versions are selected using input from Juniper Engineering, customers, and analysis of field usage data.

Exceptions to this include:

  • JTAC has specifically recommended that customers use a version of Junos software that is different from what is listed.

  • You require specific features that are available only in another version of Junos software. In this case, be sure to download the latest maintenance release.

  • Your currently installed version of Junos is working well.

  • If you use NSM, refer to the NSM & Junos Compatibility Matrix to make sure the recommended Junos software version can be managed by NSM.

Cause:
 

Solution:

To download Junos Software, go to the Junos Platforms - Download Software site.

The JTAC Recommended Junos Releases are in the tables below.

EX Series Ethernet Switches

Platform JTAC Recommended Junos Software by Platform Release
Type
Last
Updated
EX2200 (See Note 2) Junos 12.3R9-S1 Service 2 Apr 2015
EX2200-C (See Note 2) Junos 12.3R9-S1 Service 2 Apr 2015
EX3200 (See Note 2) Junos 12.3R9-S1 Service 2 Apr 2015
EX3300 (See Note 2) Junos 12.3R9-S1 Service 2 Apr 2015
EX4200 (See Note 2) Junos 12.3R9-S1 Service 2 Apr 2015
EX4300 (See Note 5) Junos 13.2X51-D36 Service 21 May 2015
EX4500 Junos 12.3R9 Standard 18 Mar 2015
EX4550       Junos 12.3R9 Standard 18 Mar 2015
EX4550/4500/EX4200 Mixed Mode VC (See Note 2)  Junos 12.3R9-S1 Service 2 Apr 2015
EX4600 (See Note 5) Junos 13.2X51-D36 Standard 21 May 2015
EX6200 Junos 12.3R9 Standard 18 Mar 2015
EX8200 Junos 12.3R9 Standard 18 Mar 2015
EX8200-VC (XRE200)  Junos 12.3R9 Standard 18 Mar 2015
EX9200 (See Note 3 & 4) Junos 13.3R5 Standard 21 Jan 2015

Notes:

  1. It is highly recommended to refer to the Release Notes, Technical Documentation, and KB articles for any outstanding and resolved issues before making the upgrade decision. Contact JTAC if there are any queries.
  2. PR1047142 and PR1056787 have been fixed in 12.3R9-S1. Please refer to TSB16668 for more details and software image download links.
  3. EX9200 with High Speed Switch Fabric (EX9200-SF2) is supported from 14.1 and later releases. 
  4. EX9200-6QS Line Card is supported from 14.2R1, but this release is not recommended for this line card. Service Release 14.2R2-S2, or a later release, should be used for this line card.  Please see TSB16659 for the technical details or contact Juniper TAC.
  5. PR1072200 and PR1079826 have been fixed in 13.2X51-D36. Please refer to TSB16691 for more details and software image download links. EX4600 software image download links will be posted shortly.


ACX Series Service Routers

Platform JTAC Recommended Junos Software by Platform Release
Type
Last
Updated
ACX1000 Junos 12.3X54-D10.6 Standard 14 Aug 2014
ACX1100 Junos 12.3X54-D10.6 Standard 14 Aug 2014
ACX2000 Junos 12.3X54-D10.6 Standard 14 Aug 2014
ACX2100 Junos 12.3X54-D10.6 Standard 14 Aug 2014
ACX4000 Junos 12.3X54-D10.6 Standard 14 Aug 2014


J Series Service Routers

Platform JTAC Recommended Junos Software by Platform Release
Type
Last
Updated
J2320 Junos 12.1X46-D35.1 Standard 29 Jun 2015
J2350 Junos 12.1X46-D35.1 Standard 29 Jun 2015
J4350 Junos 12.1X46-D35.1 Standard 29 Jun 2015
J6350 Junos 12.1X46-D35.1 Standard 29 Jun 2015

Note:

  1. For J Series routers with low memory (512MB DRAM & 512MB Compact Flash), either Junos 10.0R4.9 or 10.2R4.10 is recommended. Also, these routers cannot be upgraded to Junos 10.4 and above without the DRAM and Compact Flash upgrade. For more details, refer to TSB15606 (aka PSN-2011-06-283) - J-Series routers require 1GB RAM and 1GB Flash starting Junos 10.4.


M, T, PTX, and MX Series Routers

Platform JTAC Recommended Junos Software by Platform Release
Type
Last
Updated
M Series Junos 13.3R6 Standard 27 April 2015
T Series (all including TX, TXP, TXP-3D) Junos 13.3R6 Standard 27 April 2015
PTX Series Junos 13.3R6 Standard 27 April 2015
MX Series Junos 13.3R6 Standard 27 April 2015
MX Series with NG MPCs Junos 14.1R4 Standard 27 April 2015
MX5, MX10, MX40, MX80, MX104 Series Junos 13.3R6 Standard 27 April 2015
Virtual Route Reflector Junos 14.2R2 Standard 27 April 2015

Notes:

  1. Junos 12.3R3 and 12.3R4 are not recommended for deployment on MX5, MX10, MX40, MX80, and all MX-3D FPC. See PR896592 or contact JTAC for additional information.

  2. For T4000, JTAC currently does not recommend a Junos version lower than Junos 12.1R5.5.


QFX Series 

Platform JTAC Recommended Junos Software by Platform Release
Type
Last
Updated
QFX3500 / QFX3600 (See Note 2)                       Junos 13.2X51-D36 Service 21 May 2015
QFX5100 (See Note 2) Junos 13.2X51-D36 Service 21 May 2015
Qfabric (See Note 1) Junos 13.1X50-D30 Standard 5 Dec 2014

Note:

  1. Please contact JTAC if you are planning a Qfabric upgrade from 12.2X50 Release to 13.1X50/13.2X52/14.1X53 Release prior to upgrade for known issues and more details.
  2. PR1072200 and PR1079826 have been fixed in 13.2X51-D36. Please refer to TSB16691 for more details and software image download links.




SRX Series Services Gateways

Platform JTAC Recommended Junos Software by Platform Release
Type
Last
Updated
SRX100B/H Junos 12.1X46-D35.1 Standard 29 Jun 2015
SRX100H2 Junos 12.1X46-D35.1 Standard 29 Jun 2015
SRX110H Junos 12.1X46-D35.1 Standard 29 Jun 2015
SRX110H2 Junos 12.1X46-D35.1 Standard 29 Jun 2015
SRX210B/H/BE/HE Junos 12.1X46-D35.1 Standard 29 Jun 2015
SRX210H2 Junos 12.1X46-D35.1 Standard 29 Jun 2015
SRX220H Junos 12.1X46-D35.1 Standard 29 Jun 2015
SRX220H2 Junos 12.1X46-D35.1 Standard 29 Jun 2015
SRX240B/H/B2/H2 Junos 12.1X46-D35.1 Standard 29 Jun 2015
SRX550 Junos 12.1X46-D35.1 Standard 29 Jun 2015
SRX650 Junos 12.1X46-D35.1 Standard 29 Jun 2015
SRX1400 Junos 12.1X46-D35.1 Standard 29 Jun 2015
SRX3400 Junos 12.1X46-D35.1 Standard 29 Jun 2015
SRX3600 Junos 12.1X46-D35.1 Standard 29 Jun 2015
SRX5400 Junos 12.1X46-D35.1 (*1) Standard 29 Jun 2015
SRX5400 w/RE-1800X4 Junos 12.1X47-D20.7 Standard 11 May 2015
SRX5600 Junos 12.1X46-D35.1 (*1) Standard 29 Jun 2015
SRX5600 w/RE-1800X4 Junos 12.1X47-D20.7 Standard 11 May 2015
SRX5800 Junos 12.1X46-D35.1 (*1) Standard 29 Jun 2015
SRX5800 w/RE-1800X4 Junos 12.1X47-D20.7 Standard 11 May 2015

Notes:

  1. KB29651 - Unable to upgrade from Junos OS 12.1X46 to subsequent releases of Junos OS on SRX5400/5600/5800 platforms due to "The /cf filesystem is low on free disk space" on SRX5k RE-13-20



Firefly Perimeter

Platform JTAC Recommended Junos Software by Platform Release
Type
Last
Updated
Firefly Perimeter Junos 12.1X47-D20.7 Standard 25 Mar 2015

Notes:





MAG Series

Platform JTAC Recommended Junos Software by Platform Release
Type
Last
Updated
MAG 6610/6611 platform MAG-CM060 Junos 11.4R4.4 Standard 02 April 2013

Purpose:
Implementation
Installation

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