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[EX/QFX] QFX/EX upgrade path from 14.1X53 to 17.x

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Article ID: KB34165 KB Last Updated: 17 Sep 2019Version: 1.0
Summary:

This article answers the question whether QFX/EX switches can be upgraded from Junos OS release 14.1X53 to Junos OS release 17.x directly.

 

Solution:

Upgrading software from Junos OS release 14.1X53 to Junos OS release 17.x directly should not be possible as per the Upgrade and Downgrade Support Policy for Junos OS Releases.

But customers can upgrade software from Junos OS release 14.1X53 to Junos OS release 17.x directly without any upgrade-related problems because Junos OS release 15.1R and Junos OS release 16.1R are transition versions that will not affect the software upgrade.

Note: Note, however, that any software upgrade after Junos OS release 17.1R1 will need to follow the Upgrade and Downgrade Support Policy for Junos OS Releases.

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