Saturday 17 October 2020

Junos Software Versions - Suggested Releases to Consider and Evaluate

 Summary:

Juniper provides this document as a means to help customers and Juniper manufacturing select a Junos software version that aligns with their deployment needs. The releases listed below have performed well for the general population, but note that due to the uniqueness of our customer network deployments to include areas such as design, traffic patterns/flows, and specific usage of features and functionality, Juniper recommends that all customers A) read the associated Release Notes to understand how features, functionality, fixes, and any known outstanding issues may apply to your specific network and applications, and B) test and certify the suggested code version(s) to ensure they will perform as expected in your network.

This article applies to the following devices:

  • EX Series
  • M, T, and MX Series
  • ACX Series
  • NFX Series
  • QFX Series
  • SRX Series

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

Notes:

  1. The software versions included in this article are selected by utilizing input from Juniper Engineering, customers, and analysis of field usage data.
  2. To be automatically notified of updates to this document, use the Subscribe link. If you do not see the Subscribe link, log in with your user account.
  3. ​Juniper Networks offers optional fee-based services to further aide customers in selecting and testing software releases. If interested in more information, please contact your Juniper Sales Representative to discuss offering details and pricing.
Symptoms:

For use by customers and Juniper manufacturing planning an upgrade or initial installation.

Exceptions for evaluating these suggested software versions include:

  • A Juniper Engineer has recommended that a customer use a specific version of Junos software that is different from what is listed here in this article.

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

  • Your currently installed version of Junos is meeting your requirements as is.

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

To see the list​ of End of Engineering (EOE) and EOS (End of Support) dates for specific Junos versions, please go to the Junos Dates & Milestones page: https://support.juniper.net/support/eol/software/junos/

To see features supported per specific Junos versions, please go the Juniper Pathfinder page and navigate to "Feature Explorer": https://apps.juniper.net/home/

Solution:

To download Junos Software, go to the Software Download site and find your product.

Suggested Junos Software Versions for your consideration and evaluation are listed in the tables below. 

NOTE: To locate a Junos release containing an 'S' (i.e. Junos 17.3R3-S3), on the Software Download product page change the OS drop-down from Junos to Junos SR
 

Select to jump to a platform series:

 

EX Series Ethernet Switches

Platform Junos Software by Platform Last
Updated
EX2200 (See Note 3) Junos 12.3R12-S15 9 Mar 2020
EX2200-C ( See Note 3) Junos 12.3R12-S15 9 Mar 2020
EX2300 Junos 18.2R3-S5 16 Sep 2020
EX2300-C Junos 18.2R3-S5 16 Sep 2020
EX3200 Junos 12.3R12-S15 / 14.1X53-D40 9 Mar 2020
EX3300 ( See Note 4) Junos 12.3R12-S15 9 Mar 2020
EX3400 Junos 18.2R3-S5 16 Sep 2020
EX4200  Junos 12.3R12-S15 / 15.1R7-S6 9 Mar 2020
EX4300 Junos 18.4R2-S5 / 19.1R3-S2 16 Sep 2020
EX4300-MP Junos 18.4R2-S5 / 19.1R3-S2 16 Sep 2020
EX4500  Junos 12.3R12-S15 / 15.1R7-S6 9 Mar 2020
EX4550  Junos 12.3R12-S15 / 15.1R7-S6 9 Mar 2020
EX4600 Junos 18.4R2-S5 / 19.1R3-S2 16 Sep 2020
EX4650 Junos 18.4R2-S5 / 19.1R3-S2 16 Sep 2020
EX6200 Junos 12.3R12-S15 / 15.1R7-S6 9 Mar 2020
EX8200 (See Note 2) Junos 12.3R12-S15 / 15.1R7-S6 9 Mar 2020
EX8200-VC (XRE200) (See Note 2 ) Junos 12.3R12-S15 / 15.1R7-S6 9 Mar 2020
EX9200  Junos 18.4R2-S5 / 19.1R3-S2 16 Sep 2020
EX9251 Junos 18.4R2-S5 / 19.1R3-S2 16 Sep 2020
EX9253 Junos 18.4R2-S5 / 19.1R3-S2 16 Sep 2020
Junos Fusion Enterprise (JFE) Junos 18.4R2-S5 / 19.1R3-S2 16 Sep 2020
 

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 TSB17138 for more details.
  4. Please refer TSB17329 .
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ACX Series Service Routers

Platform Junos Software by Platform Release Type Last
Updated
ACX500 Junos 17.4R2-Sx (where x=latest on download page) Standard 9 April 2019
ACX1000 Junos 17.4R2-Sx (where x=latest on download page) Standard 9 April 2019
ACX1100 Junos 17.4R2-Sx (where x=latest on download page) Standard 9 April 2019
ACX2000 Junos 17.4R2-Sx (where x=latest on download page) Standard 9 April 2019
ACX2100 Junos 17.4R2-Sx (where x=latest on download page) Standard 9 April 2019
ACX2200 Junos 17.4R2-Sx (where x=latest on download page) Standard 9 April 2019
ACX4000 Junos 17.4R2-Sx (where x=latest on download page) Standard 9 April 2019
ACX5448 Junos 19.4R3 Standard 15 Oct 2020
ACX5048 / ACX5096 Junos 17.4R2-Sx (where x=latest on download page) Standard 9 April 2019

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M, T, PTX, and MX Series Routers

Platform Junos Software by Platform Last
Updated
M Series Junos 15.1R7 29 Jan 2020
T Series (all including TX, TXP, TXP-3D) Junos 15.1R7
Junos 16.1R7		 21 Apr 2020
PTX Series (See KB33938 for detail)
    (Except ones listing below)		 Junos 17.3R3-S7
Junos 17.4R2-S10
Junos 18.2R3-S3
Junos 19.2R2-S4		 24 Aug 2020
PTX10003 Junos Evolved 19.4R2-S2-EVO 15 Jul 2020
PTX10008/16 with FAN2/AC2/DC2 Components
    (Do not use if deploy - JNP10008-SF3)		 Junos 19.2R1-S4 21 Apr 2020
PTX10008 with PTX10K-LC1201-36CD and JNP100008-SF3
JNP10K-RE1-E		 Junos Evolved 20.1R1-EVO 21 Apr 2020
MX Series Junos 17.3R3-S7 21 Apr 2020
MX Series with MX-SPC3 Junos 19.4R3 15 Oct 2020
MX 2010/2020 with MPC6/7/8/9 Junos 17.3R3-S7 21 Apr 2020
MX240/480/960 with SCBE3 Junos 18.4R2-S3
Junos 19.3R2-S2		 21 Apr 2020
MX240/480/960 with MPC10E Junos 19.3R2-S2 12 May 2020
MX 2010/2020 with MPC11 SFB3(*6) Junos 20.1R1 01 Jun 2020
MX 2008 Series Junos 17.3R3-S7 21 Apr 2020
MX5, MX10, MX40, MX80, MX104 Series Junos 17.3R3-S7 21 Apr 2020
MX150, MX204, MX10003 Series Junos 18.2R3-S3 21 Apr 2020
MX10008 Series Junos 19.2R1-S4
Junos 19.3R2-S2(*5)		 21 Apr 2020
MX10016 Series Junos 19.2R1-S4
Junos 19.3R2-S2		 21 Apr 2020
MX Subscriber Management(*3) Junos 19.4R3 15 Oct 2020
MX Services on MS-DPC Junos 17.3R3-S3 23 July  2019
MX Services on MS-MPC/MIC(*4) Junos 19.4R3 15 Oct 2020
vMX / vBNG(*2) Junos 19.4R3 15 Oct 2020
 

Notes:

  1. This includes subscriber management deployments that incorporate services such as CGNAT, etc.
  2. This release is also suggested for deployments that include both MS-MPC/MIC and MS-DPC modules within the same chassis.
  3. See KB33938 for detail information and directly downloadable links to software for M/MX/PTX/T-Series JUNOS Software
  4. Recently released hardware may require a software version newer than listed above. Please use the latest Service Release for the required JUNOS software version
  5. Due to feature parity recommended from Product Line Management
  6. MPC11 is not supported in Junos 19.4
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NFX Series Network Services Platform

Platform Junos Release Software Architecture Release Type Last
Updated
NFX150 Junos 19.3R2-S2 nfx-3 Service 11 May 2020
NFX250 Junos 18.4R3 nfx-2 Standard 11 May 2020
NFX250-NG Junos 19.4R1 nfx-3 Standard 11 May 2020
NFX350 Junos 19.4R1 nfx-3 Standard 11 May 2020

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QFX Series

Platform Junos Software by Platform Last
Updated
QFX3500 / QFX3600          Junos 14.1X53-D54 26 May 2020
QFX5100  Junos 18.4R2-S5 / 19.1R3-S2 16 Sep 2020
QFX5200 Junos 18.4R2-S5 / 19.1R3-S2 16 Sep 2020
QFX5110 Junos 18.4R2-S5 / 19.1R3-S2 16 Sep 2020
QFX5120-48Y Junos 18.4R2-S5 / 19.1R3-S2 16 Sep 2020
QFX5210 Junos 18.4R2-S5 / 19.1R3-S2 16 Sep 2020
QFX10002 / QFX10008 / QFX10016 Junos 18.4R2-S5 / 19.1R3-S2 16 Sep 2020
QFX10002-60C Junos 18.4R2-S5 / 19.1R3-S2 16 Sep 2020
EVPN-VXLAN Fabric CRB (Centrally Routed Bridging) Junos 18.4R2-S5 / 19.1R3-S2 16 Sep 2020
EVPN-VXLAN Fabric ERB ( Edge Routed Bridging)  Junos 18.4R2-S5 / 19.1R3-S2 16 Sep 2020
Junos Fusion Datacenter (JFD) - MC-LAG Junos 17.3R3-S3 12 Feb 2019
Junos Fusion Datacenter(JFD) - EVPN Junos 18.1R2-S2 28 Feb 2019
Qfabric (See Note 1) Junos 14.1X53-D130 30 Jul 2019

 

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 Junos Software by Platform Release Type Last
Updated
vSRX Junos 18.4R3-S4 Service 16 Jul 2020
vSRX 3.0 Junos 18.4R3-S4 Service 16 Jul 2020
SRX100H2 / SRX110H2 / SRX210HE2 / SRX220H2 / SRX240H2 Junos 12.3X48-D105 Standard 16 Oct 2020
SRX300 / SRX320 / SRX340 / SRX345 Junos 18.4R3-S4 Service 16 Jul 2020
SRX380 Junos 20.1R1-S2 Service 16 Jul 2020
SRX550 Junos 12.3X48-D105 Standard 16 Oct 2020
SRX550HM Junos 18.4R3-S4 Service 16 Jul 2020
SRX650 Junos 12.3X48-D105 Standard 16 Oct 2020
SRX1400 Junos 12.3X48-D105 Standard 16 Oct 2020
SRX1500 Junos 18.4R3-S4 Service 16 Jul 2020
SRX3400 / SRX3600 Junos 12.3X48-D105 Standard 16 Oct 2020
SRX4100 / SRX4200 Junos 18.4R3-S4 Service 16 Jul 2020
SRX4600 Junos 18.4R3-S3 Service 29 Jul 2020
SRX5400 / SRX5600 / SRX5800
with SRX5K-RE3-128G, SRX5K-SCB4, SRX5K-IOC4-10G or SRX5K-IOC4-MRAT (*1)		 Junos 19.4R2 Standard 05 Jun 2020
SRX5400 / SRX5600 / SRX5800
with RE-1800X4 and SRX5K-SPC3 (*1)		 Junos 18.4R3-S4 Service 16 Jul 2020
SRX5400 / SRX5600 / SRX5800
with RE-1800X4 (*1)		 Junos 18.4R3-S4 Service 16 Jul 2020
SRX5400 / SRX5600 / SRX5800
with SRX5K-RE-13-20 (*1)		 Junos 12.3X48-D105(*2) Standard 16 Oct 2020
 

Notes:

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

  2. TSB17655 - On SRX5000 series with SRX5k RE-13-20 a software upgrade to Junos release 12.3X48-D80, D85 or D90 may fail the pre-check due to insufficient space available on the compact flash.

  3. Notes for upgrading from Junos 15.1X49 releases to 18.4R3 or 18.4R3 based Service Releases:

    • Junos OS upgrade from 15.1X49 directly to 18.4R3 or 18.4R3 based Service Releases is supported for all SRX platforms. Exception: SRX5k is unable to upgrade directly from Junos 15.1X49 releases to 18.4R3-S2 or 18.4R3-S3 (PR1505864). This issue is resolved in 18.4R3-S4.

    • For vSRX the following limitations apply when upgrading from 15.1X49 directly to 18.4R3 or 18.4R3 based Service Releases:

      • The file system mounted on /var usage must be below 14% of capacity.
        Check this with
        root@vsrx> show system storage | match " /var$"
        /dev/vtbd1s1f 2.7G 82M 2.4G 3% /var
        Note: The CLI command ‘request system storage cleanup’ may help reach that percentage if needed

      • The Junos upgrade image must be placed in the directory /var/host-mnt/var/tmp/
        request system software add /var/host-mnt/var/tmp/

      • It is recommended to deploy a new vSRX VM instead of performing a Junos upgrade. That also gives the option to move from vSRX to the newer and more recommended vSRX 3.0.
         

    • ISSU is not supported when upgrading from Junos 15.1X49 to higher versions.

    • KB34945 - When Junos Space Security Director is used for managing the SRX configuration and the AppFW, IDP or UTM features are used, then when upgrading to Junos 18.2R1 or higher, the SRX configuration needs to be migrated to the new Unified Policies style and Security Director version 19.3 or higher is required.

    • Starting with Junos OS Release 17.3, when you upgrade from Junos OS Release 15.1X49 to Junos OS Release 17.3 or higher, or downgrade from Junos OS Release 17.3 or higher to Junos OS Release 15.1X49, you must update the IPS signature package by downloading and installing the IPS signature package update.

    • When upgrading from Junos 15.1X49-D170 to Junos 18.4 releases, the following features are unavailable in 18.4 Junos code version:

      • The following CSO / SD-WAN related features:
        • Application quality of experience (AppQoE) application-based multipath support (SRX Series and vSRX)
          • This feature is available as of  15.1X49-D160 code line and 19.2R1 and higher releases
        • Application quality of experience (AppQoE) increased scaling support (SRX4100, SRX4200)
          • This feature is available as of  15.1X49-D160 code line and 19.1R1 and higher releases
        • Application quality of experience (AppQoE) support in high availability mode (SRX4100, SRX4200)
          • This feature is available as of  15.1X49-D160 code line and 19.1R1 and higher releases
        • MPLS based traffic flow security processing via virtual routing and forwarding (VRF) instances (SRX300, SRX320, SRX340, SRX345, SRX550M, SRX1500, SRX4100, SRX4200, and vSRX)
          • This feature is available as of  15.1X49-D160 / 15.1X49-D170 code line and 19.3R1 and higher releases
        • MPLS based traffic flow security processing linking of multiple VRFs to a vrf-group (SRX Series and vSRX)
          • This feature is available as of  15.1X49-D170 code line and 19.3R1 and higher releases
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