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[NFX] Upgrade paths from 15.1X53-D40/D42 to 15.1X53-D470 and higher



Article ID: KB32937 KB Last Updated: 24 Jul 2018Version: 1.0

This article provides the steps to upgrade from 15.1X53-D40 to 15.1X53-D470.

  • Upgrades from 15.1X53-D40/D42 to 15.1X53-D470 causes some instabilities.

  • After upgrading from 15.1X53-D470 to 15.1X53-D470, there were no 2M hugepages available for IPSec-NM to boot.


Upgrading from 15.1X53-D40/D42 to 15.1X53-D470 directly is not supported.


In order to upgrade from 15.1X53-D40 or 15.1X53-D42 to versions higher than 15.1X53-D45, you must first upgrade to 15.1X53-D45.  Once have 15.1X53-D45, then you can do one of the following:

  1. Request system zeroize, then upgrade to the desired code.

  2. Upgrade to the desired code using the clean-install option.


request system software add clean-install

Another alternative is to upgrade via USB.  For detailed instructions, refer to KB31834 - [NFX] USB Upgrade

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