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[MX/PTX] Supported Junos Images on VMhost (Nextgen Routing Engine, x86 CPU based hardware)

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Article ID: KB33703 KB Last Updated: 28 Mar 2019Version: 1.0
Summary:

This article explains how to Identify the supported Junos image files on NG-REs on the following platforms:

  • MX2K
  • MX960
  • MX480
  • MX240
  • PTX5000
Solution:

For the NG-RE, only 64-bit version is available. The 32-bit version of Junos OS is not supported. There is a change in the domestic and export version naming convention for NG- RE. There is no domestic version in NG-RE, it’s just a normal version. However, the export version will be named as “limited”.

Where:

  • ${package-prefix} = “junos-vmhost-install” if it is a vmhost bundled image and “junos- install” or “junos-install-media” based on if it’s a media image or disk image for the Junos only image.

  • is present only when it’s a media image. It’s “usb” for images installed from USB drive and “net” for images installed over network.

  • is either mx or ptx.

  • is x86 – if non x86 platforms are supported, then they will have a different value for this field, such as “ppc”.

  • is either “32” for 32-bit images or “64” for 64-bit images.

  • is the actual release name. For example, “15.1F3.9”.

  • is an empty string “” for “domestic” images. For “export” (WW) images, $ will be “limited” (See more details on this in following slides). Other images could have a different value in this field.

The example of images supported on VMHost platforms are as follows:

On MX-series platforms:

  • junos-install-mx-x86-64-15.1F3.9.tgz in-image Junos upgrade for MX-series
  • junos-vmhost-install-mx-x86-64-15.1F3.9.tgz Regular VMHost upgrade image for MX-series
  • junos-vmhost-install-usb-mx-x86-64-15.1F3.9.img.gz USB installer image for MX-series
     
On PTX series Platforms:
  • junos-install-ptx-x86-64-15.1F3.9.tgz in-image Junos upgrade for PTX-series
  • junos-vmhost-install-ptx-x86-64-15.1F3.9.tgz Regular vmhost upgrade image for PTX-series
  • junos-vmhost-install-usb-ptx-x86-64-15.1F3.9.img.gz USB installer image for PTX-series
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