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JTAC Recommended Junos Software Versions

  [KB21476] Show Article Properties


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
  • ACX Series
  • QFX Series

  • SRX Series

  • Firefly Perimeter

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

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Symptoms:

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.

Solution:

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

The JTAC Recommended Junos Releases are in the tables below.

Select to jump to a platform series:

 

EX Series Ethernet Switches

Platform JTAC Recommended Junos Software by Platform Release Type Last
Updated
EX2200 Junos 15.1R5 Standard 7 Dec 2016
EX2200-C Junos 15.1R5 Standard 7 Dec 2016
EX2300 ( See Note 3) Junos 15.1X53-D56 Standard 10 May 2017
EX2300-C (See Note 3) Junos 15.1X53-D56 Standard 10 May 2017
EX3200 Junos 14.1X53-D40 Standard 13 Jan 2017
EX3300 Junos 15.1R5 Standard 7 Dec 2016
EX3400 (See Note 3) Junos 15.1X53-D56 Standard 10 May 2017
EX4200 Junos 15.1R5 Standard 7 Dec 2016
EX4300 Junos 14.1X53-D42 Standard 7 Apr 2017
EX4500 Junos 15.1R5 Standard 7 Dec 2016
EX4550  Junos 15.1R5 Standard 7 Dec 2016
EX4600 Junos 14.1X53-D42 Standard 7 Apr 2017
EX6200 Junos 15.1R5 Standard 7 Dec 2016
EX8200 (See Note 2) Junos 15.1R5 Standard 7 Dec 2016
EX8200-VC (XRE200) (See Note 2) Junos 15.1R5 Standard 7 Dec 2016
EX9200  Junos 14.2R7 Standard 12 Oct 2016

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. Please refer to TSB16758 for minimum software requirements for newer revision EX8200 linecards.
  3. Please refer SRN TSB17097 for more details on 15.1X53-D56.
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ACX Series Service Routers

Platform JTAC Recommended Junos Software by Platform Release Type Last
Updated
ACX500 Junos 12.3X54-D27 Standard 12 Oct 2016
ACX1000 Junos 12.3X54-D27 Standard 4 Dec 2016
ACX1100 Junos 12.3X54-D27 Standard 4 Dec 2016
ACX2000 Junos 12.3X54-D27 Standard 4 Dec 2016
ACX2100 Junos 12.3X54-D27 Standard 4 Dec 2016
ACX4000 Junos 12.3X54-D27 Standard 4 Dec 2016
ACX5048 / ACX5096 Junos 15.1X54-D51 Standard 12 Oct 2016

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J Series Service Routers

Platform JTAC Recommended Junos Software by Platform Release Type Last
Updated
J2320 Junos 12.1X46-D65 Standard 22 Feb 2017
J2350 Junos 12.1X46-D65 Standard 22 Feb 2017
J4350 Junos 12.1X46-D65 Standard 22 Feb 2017
J6350 Junos 12.1X46-D65 Standard 22 Feb 2017

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.
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M, T, PTX, and MX Series Routers

Platform JTAC Recommended Junos Software by Platform Release Type Last
Updated
M Series Junos 14.2R7/15.1R6 Standard 28 April 2017
T Series (all including TX, TXP, TXP-3D) Junos 14.2R7/15.1R6 Standard 28 April 2017
PTX Series Junos 15.1F6-S6 Standard 28 April 2017
MX Series Junos 15.1F6-S6/15.1R6 Standard/Service 28 April 2017
MX 2010/2020 with MPC6/7/8/9 Junos 15.1F6-S6 Service 28 April 2017
MX 2008 Series Junos 15.1F7 Standard 28 April 2017
MX5, MX10, MX40, MX80, MX104 Series Junos 15.1R6 Standard 28 April 2017
MX Subscriber Management(*3) Junos 15.1R5 Standard 15 December 2016
MX Services on MS-DPC Junos 15.1R6 Standard 25 May 2017
MX Services on MS-MPC/MIC(*2)(*4) Junos 14.2R7-S6 Service 25 May 2017
MX Virtual Chassis Junos 15.1R6 Standard 28 April 2017
Virtual Route Reflector Junos 14.2R5/ Standard 19 August 2016
vMX / vBNG(*2) Junos 15.1F6-S3 Service 15 December 2016
 

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. To obtain the specified Service Release, please contact JTAC.
  3. This includes subscriber management deployments that incorporate services such as CGNAT, etc.
  4. This release is also recommended for deployments that include both MS-MPC/MIC and MS-DPC modules within the same chassis.
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QFX Series

Platform JTAC Recommended Junos Software by Platform Release Type Last
Updated
QFX3500 / QFX3600          Junos 14.1X53-D42 Standard 7 Apr 2017
QFX5100  Junos 14.1X53-D42 Standard 7 Apr 2017
QFX5200/QFX5110 Junos 15.1X53-D230 Standard 10 May 2017
QFX10002 / QFX10008 / QFX10016 Junos 15.1X53-D63 Standard 10 May 2017
Qfabric (See Note 1) Junos 14.1X53-D42 Standard 10 May 2017

Note:

  1. Qfabric NSSU upgrade from Junos 12.2X50 to later releases is NOT recommended. Please see TSB16842 for more details.

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SRX Series Services Gateways

Platform JTAC Recommended Junos Software by Platform Release Type Last
Updated
vSRX Junos 15.1X49-D90 Standard 22 Jun 2017
SRX100B/H Junos 12.1X46-D65 Standard 22 Feb 2017
SRX100H2 Junos 12.3X48-D40 Standard 11 Jan 2017
SRX110H Junos 12.1X46-D65 Standard 22 Feb 2017
SRX110H2 Junos 12.3X48-D40 Standard 11 Jan 2017
SRX210B/H/BE/HE Junos 12.1X46-D65 Standard 22 Feb 2017
SRX210HE2 Junos 12.3X48-D40 Standard 11 Jan 2017
SRX220H Junos 12.1X46-D65 Standard 22 Feb 2017
SRX220H2 Junos 12.3X48-D40 Standard 11 Jan 2017
SRX240B/H/B2 Junos 12.1X46-D65 Standard 22 Feb 2017
SRX240H2 Junos 12.3X48-D40 Standard 11 Jan 2017
SRX300 / SRX320 / SRX340 / SRX345 Junos 15.1X49-D90 Standard 22 Jun 2017
SRX550 Junos 12.3X48-D40 Standard 11 Jan 2017
SRX550HM Junos 15.1X49-D90 Standard 22 Jun 2017
SRX650 Junos 12.3X48-D40 Standard 11 Jan 2017
SRX1400 (*3) Junos 12.3X48-D45 Standard 07 Mar  2017
SRX1500 Junos 15.1X49-D90 Standard 22 Jun 2017
SRX3400 / SRX3600 (*3) Junos 12.3X48-D45 Standard 07 Mar 2017
SRX4100 / SRX4200 Junos 15.1X49-D90 Standard 22 Jun 2017
SRX5400 / SRX5600 / SRX5800
with RE-1800X4 and IOC3 or SCB3 (*2)
Junos 15.1X49-D90 Standard 22 Jun 2017
SRX5400 / SRX5600 / SRX5800
with RE-1800X4 (*2)
Junos 15.1X49-D90 Standard 22 Jun 2017
SRX5400 / SRX5600 / SRX5800
with SRX5K-RE-13-20 (*2)(*3)
Junos 12.3X48-D45 (*1) Standard 07 Mar 2017

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

  2. KB30446 - SRX Junos SRX5K Hardware / Software compatibility matrix

  3. TSB16905 - On SRX High-End platforms, when NAT is configured, ISSU upgrade from 12.1X46-D40 to any higher releases results in loss of security policies


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Firefly Perimeter

Platform JTAC Recommended Junos Software by Platform Release Type Last
Updated
Firefly Perimeter Junos 12.1X47-D45 Standard 11 Jan 2017

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Modification History:
2017-04-18: Added jump links for quick access to platform series sections
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