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JTAC Recommended Junos Software Versions

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Knowledge Base ID: KB21476
Last Updated: 04 Apr 2014
Version: 95.0

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
  • 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 Junos 12.3R6.6 Standard 4 April 2014
EX2200-C Junos 12.3R6.6 Standard 4 April 2014
EX3200 Junos 12.3R6.6 Standard 4 April 2014
EX3300 Junos 12.3R6.6 Standard 4 April 2014
EX4200 Junos 12.3R6.6 Standard 4 April 2014
EX4300 Junos 13.2X51-D15.5 Standard 24 Mar 2014
EX4500 Junos 12.3R6.6 Standard 4 April 2014
EX4550        Junos 12.3R6.6 Standard 4 April 2014
EX4550  Mixed Mode VC Junos 12.3R6.6 Standard 4 April 2014
EX4500/EX4200 Mixed Mode VC Junos 12.3R6.6 Standard 4 April 2014
EX6200 Junos 12.3R6.6 Standard 4 April 2014
EX8200 Junos 12.3R6.6 Standard 4 April 2014
EX8200-VC (XRE200) Junos 12.3R6.6 Standard 4 April 2014
EX9200 Junos 12.3R5.7 Standard 13 Jan 2014

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. For the First Junos OS Release for each EX Series Switch, refer to Table 1: First Junos OS Release for Each EX Series Switch.



J Series Service Routers

Platform JTAC Recommended Junos Software by Platform Release
Type
Last
updated
J2320 Junos 11.4R10.3 Standard 08 Jan 2014
J2350 Junos 11.4R10.3 Standard 08 Jan 2014
J4350 Junos 11.4R10.3 Standard 08 Jan 2014
J6350 Junos 11.4R10.3 Standard 08 Jan 2014

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, and MX Series Routers

Platform JTAC Recommended Junos Software by Platform Release
Type
Last
updated
M Series Junos 12.3R6.6 Standard 25 March 2014
T Series Junos 12.3R6.6 Standard 25 March 2014
T4000 Series Junos 12.3R6.6 Standard 25 March 2014
MX Series Junos 12.3R6.6 Standard 25 March 2014
MX Series with Enhanced SCB Junos 12.3R6.6 Standard 25 March 2014
MX5, MX10, MX40 Series Junos 12.3R6.6 Standard 25 March 2014

Notes:

  1. Junos 12.3R3 and 12.3R4 are not recommended for deployment on MX5, MX10, MX40, MX80, and all MX-3D FPC. Please see PR896592 or contact JTAC for additional information.
  2. For T4000, JTAC currently does not recommend a Junos version older than Junos 12.1R5.5.



QFX Series 

Platform JTAC Recommended Junos Software by Platform Release
Type
Last
updated
QFX3500 / QFX3600                       Junos 12.3X50-D35 Standard 20 Feb 2014
QFX5100 Junos 13.2X51-D15.5 Standard 24 Mar 2014
Qfabric Junos 13.1X50-D15.1 Standard 20 Feb 2014




SRX Series Services Gateways

Platform JTAC Recommended Junos Software by Platform Release
Type
Last
updated
SRX100B/H Junos 11.4R10.3 Standard 08 Jan 2014
SRX100H2 (*1) Junos 12.1X44-D30.4 Standard 03 Feb 2014
SRX110H Junos 11.4R10.3 Standard 28 Jan 2014
SRX110H2 Junos 12.1X44-D30.4 Standard 03 Feb 2014
SRX210B/H/BE/HE Junos 11.4R10.3 Standard 08 Jan 2014
SRX210H2 Junos 12.1X44-D30.4 Standard 03 Feb 2014
SRX220H Junos 11.4R10.3 Standard 08 Jan 2014
SRX220H2 Junos 12.1X44-D30.4 Standard 03 Feb 2014
SRX240B/H/B2/H2 Junos 11.4R10.3 Standard 08 Jan 2014
SRX550 Junos 12.1X44-D30.4 Standard 03 Feb 2014
SRX650 Junos 11.4R10.3 Standard 08 Jan 2014
SRX1400 (*2) Junos 11.4R10.4 Standard 08 Jan 2014
SRX1400 w/NP-IOC (*2) Junos 12.1X44-D30.4 Standard 04 Feb 2014
SRX3400 (*2) Junos 11.4R10.4 Standard 08 Jan 2014
SRX3400 w/NP-IOC (*2) Junos 12.1X44-D30.4 Standard 04 Feb 2014
SRX3600 (*2) Junos 11.4R10.4 Standard 08 Jan 2014
SRX3600 w/NP-IOC (*2) Junos 12.1X44-D30.4 Standard 04 Feb 2014
SRX5400 Junos 12.1X46-D15.3 Standard 12 Mar 2014
SRX5600 Junos 11.4R10.3 Standard 08 Jan 2014
SRX5600 w/SPC II (*3, 4) Junos 12.1X44-D31.3 Standard 12 Mar 2014
SRX5600 w/IOC II Junos 12.1X46-D15.3 Standard 12 Mar 2014
SRX5800 Junos 11.4R10.3 Standard 08 Jan 2014
SRX5800 w/SPC II (*3, 4) Junos 12.1X44-D31.3 Standard 12 Mar 2014
SRX5800 w/IOC II Junos 12.1X46-D15.3 Standard 12 Mar 2014

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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