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M-Series, MX-Series, PTX-Series, and T-Series Junos software with download link

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Article ID: KB33938 KB Last Updated: 18 Oct 2021Version: 43.0
Summary:

Junos software for M-Series, MX-Series, T-Series Platforms

The purpose of this article is to provide information and direct links to Junos Software mentioned in KB21476.

Disclaimer: 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:

  • M, T, MX, and PTX 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 aid 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 End of Support (EOS) dates for specific Junos versions, please go to the Junos Dates & Milestones page.

To see features supported per specific Junos versions, please go the Juniper Pathfinder page and navigate to "Feature Explorer": 

 

Solution:

 

MX-series Suggested Software Release

Read the "Routing Engine Specification" to determine which Routing Engine supports which architecture (32-bit v.s. 64-bit)
For the vmhost image please consult the "VM Host Overview" article.
Platforms Note Recommended Release Jinstall Package Modified Date
MX5
MX10
MX40
MX80
MX104
  18.4R3-S9 32-bit 2021-10-13
MX5
MX10
MX40
MX80
MX104
  19.3R3-S4 32-bit 2021-10-13
MX5
MX10
MX40
MX80
MX104
  19.4R3-S6 32-bit 2021-10-13
MX5
MX10
MX40
MX80
MX104
  20.2R3-S2 32-bit 2021-10-13
MX5
MX10
MX40
MX80
MX104
  20.4R3 32-bit 2021-10-13
MX150   18.4R3-S9 vMX-Appliance 2021-10-13
MX150   19.3R3-S4 vMX-Appliance 2021-10-13
MX150   19.4R3-S6 vMX-Appliance 2021-10-13
MX150   20.2R3-S2 vMX-Appliance 2021-10-13
MX150   20.4R3 vMX-Appliance 2021-10-13
MX240
MX480
MX960
MX2000s
MX with MX240RE-S-1800x2 RE-S-1800x4 18.4R3-S9 64-bit 2021-10-13
MX240
MX480
MX960
MX2000s
MX10003
For all MX with RE-S-X6-64G 18.4R3-S9 VMHost-Installer 2021-10-13
MX240
MX480
MX960
MX2000s
MX with MX240RE-S-1800x2 RE-S-1800x4 19.3R3-S4 64-bit 2021-10-13
MX240
MX480
MX960
MX2000s
MX10003/8/16
For all MX with RE-S-X6-64G 19.3R3-S4 VMHost-Installer 2021-10-13
MX240
MX480
MX960
MX2000s
MX with MX240RE-S-1800x2 RE-S-1800x4 19.4R3-S6 64-bit 2021-10-13
MX240
MX480
MX960
MX2000s
MX10003/8/16
For all MX with RE-S-X6-64G 19.4R3-S6 VMHost-Installer 2021-10-13
MX240
MX480
MX960
MX2000s
MX with MX240RE-S-1800x2 RE-S-1800x4 20.2R3-S2 64-bit 2021-10-13
MX240
MX480
MX960
MX2000s
MX10003/8/16
For all MX with RE-S-X6-64G 20.2R3-S2 VMHost-Installer 2021-10-13
MX240
MX480
MX960
MX2000s
MX with MX240RE-S-1800x2 RE-S-1800x4 20.4R3 64-bit 2021-10-13
MX240
MX480
MX960
MX2000s
MX10003
For all MX with RE-S-X6-64G 20.4R3 VMHost-Installer 2021-10-13
MX240
MX480
MX960
RE-S-1800x2 RE-S-1800x4 and MX-SPC3 19.4R3-S6 64-bit 2021-10-13
MX240
MX480
MX960
For all MX with RE-S-X6-64G and MX-SPC3 (NOTE: SPC3 is not compatible with SCBE3-MX) 19.4R3-S6 VMHost-Installer 2021-10-13
MX2010
MX2020
MX2000 with MPC11E and SFB3 20.4R3 VMHost-Installer 2021-10-13

PTX-Series Suggested Software Release

See the "PTX5000 Host Subsystem Description" for the overview of all  PTX Routing Engine Architecture
For the vmhost image please see the "VM Host Overview" article.
Platforms Note Recommended Release Jinstall Package Modified Date
PTX3000/5000 PTX3000 and PTX5000 with 64-bit Routing Engine 18.4R3-S9 64-bit PTX Series 2021-10-13
PTX3000/5000 PTX3000 and PTX5000 64-bit 19.2R1-S7 64-bit PTX Series 2021-10-13
PTX3000/5000 PTX3000 and PTX5000 64-bit 19.3R3-S4 64-bit PTX Series 2021-10-13
PTX3000/5000 PTX3000 and PTX5000 64-bit 19.4R3-S6 64-bit PTX Series 2021-10-13
PTX3000/5000 PTX3000 and PTX5000 64-bit 20.4R3 64-bit PTX Series 2021-10-13
PTX3000/5000
PTX10008/16
VMHOST Images 18.4R3-S9 VMHost PTX PTX Series 2021-10-13
PTX3000/5000
PTX10002
PTX10008/16
VMHOST Images 19.2R1-S7 VMHost PTX PTX Series 2021-10-13
PTX3000/5000
PTX10002
PTX10008/16
VMHOST Images 19.3R3-S4 VMHost PTX PTX Series 2021-10-13
PTX1/3/5000
PTX10002
PTX10008/16
minimum for PTX10008 with AC2 DC2 FAN2 19.4R3-S6 VMHost PTX PTX Series 2021-10-13
PTX1/3/5000
PTX10002
PTX10008/16
PTX10008 with AC2 DC2 FAN2 20.4R3 VMHost PTX PTX Series 2021-10-13
PTX10003   20.4R3-EVO Junos Evolved Software 2021-10-13
PTX10008 PTX10008 with PTX10K-LC1201-36CD and JNP10008-SF3 20.4R3-EVO Junos Evolved Software 2021-10-13
 

 

Modification History:
  • 2021-10-18 Removed M-Series and T-Series table since the software has reached in 2021-05 EOS
  • 2021-10-13 Updated MX and PTX tables
  • 2021-09-30 Withheld MX and PTX tables so it won't be out of sync with KB21476
  • 2021-08-24 First EVPN suggested software release
  • 2021-08-16 Update format to conform with KB article standard
  • 2021-08-10 Update PTX3000/5000 with 18.2R3-S8 and 19.3R3-S3
  • 2021-06-01 Update MX204/10003 to 19.4R3-S3, 20.2R3-S1, and 20.4R2 - consolidate MX204 and MX10003 entries together
  • 2021-05-11 Update all PTX EVO release to 20.4R2-EVO
  • 2021-02-22 Update MX with SCBE3-MX and MPC10E to 20.2R2-S2
  • 2021-01-07 Added PTX10004, Update all EVO release to 20.4R1-EVO
  • 2020-12-07 Update PTX10003 to 19.4R2-S3-EVO and 20.1R2-S2-EVO, PTX10008 with LC1201 to 20.1R2-S2-EVO
  • 2020-11-03 Update all MX series software
  • 2020-10-02 Remove individual MX2008 and put its entries under the combined MX2000 family
  • 2020-06-01 Update MX2010/20 MPC11 recommendation to be 20.1R1 - Reason feature parity and MACSec support
  • 2020-05-15 PTX10003 - 19.4R2-S1-EVO
  • 2020-03-21 Correct links for MX10008 and update MPC11 - general clean up, correct links to images. Prep for April 2020 update
  • 2019-12-30 Added MX240/480/960 MX-SPC3 with 19.3R2
  • 2019-12-26: Added PTX10008/16 with AC2, DC2, and FAN2 to be 19.2R1-S2
  • 2019-12-13: updated recommendation MX10008 due to feature parity 19.3R2 and 19.2R1-S2
  • 2019-12-12: updated recommendation for MX204 and MX10003 to JunOS OS 18.2R3-S

  • 2019-12-05: Added MX2000s with MPC11 and SFB3 running Junos OS 19.3R2

  • Updated: 2019-11-15

  • First publication for comment 2019-06-24

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